/* Kanban - Dark Theme Design System */

:root {
    /* Backgrounds */
    --bg-main: #1c1d28;
    --bg-card: #22232e;
    --bg-hover: #2a2b38;
    --bg-input: #2a2b38;

    /* Accents */
    --accent-primary: #22d3ee;    /* Cyan */
    --accent-secondary: #a78bfa;  /* Purple */

    /* Semantic */
    --color-success: #34d399;     /* Green */
    --color-warning: #fbbf24;     /* Amber */
    --color-danger: #f87171;      /* Red */

    /* Text */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Borders */
    --border-color: #374151;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto Mono', monospace;
    font-weight: 400;
    color: var(--text-primary);
    background: var(--bg-main);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-secondary);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

/* Card Component */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-top: 3px solid;
    border-image: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary)) 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.2);
}

.card-static {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-top: 3px solid;
    border-image: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary)) 1;
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input.error {
    border-color: var(--color-danger);
}

.form-input.error:focus {
    box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.2);
}

.form-error {
    color: var(--color-danger);
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
    display: block;
}

/* Checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-main);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

.btn-full {
    width: 100%;
}

/* Alert/Flash Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.alert-success {
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}

.alert-info {
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* App Logo/Title */
.app-title {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
}

/* Form Title */
.form-title {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

/* Links in forms */
.form-footer {
    margin-top: var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Loading state */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--bg-main);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================
   Application Layout
   ========================================== */

.app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    padding-top: 60px; /* Height of fixed header */
}

.app-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* ==========================================
   Header
   ========================================== */

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.header-left {
    flex-shrink: 0;
}

.header-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 0 var(--spacing-xl);
    max-width: 500px;
}

.header-right {
    flex-shrink: 0;
}

/* ==========================================
   Search Box
   ========================================== */

.search-wrapper {
    width: 100%;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 42px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

.search-input::placeholder {
    color: var(--text-muted);
}

/* ==========================================
   User Menu
   ========================================== */

.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.user-menu-trigger:hover {
    background: var(--bg-hover);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-main);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.chevron-icon {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.chevron-icon.rotate-180 {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 220px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-info {
    padding: var(--spacing-md);
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.user-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    word-break: break-all;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0;
}

.logout-form {
    margin: 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background 0.2s ease;
    text-align: left;
}

.dropdown-item:hover {
    background: var(--bg-hover);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.logout-btn:hover {
    color: var(--color-danger);
}

.logout-btn:hover svg {
    color: var(--color-danger);
}

/* ==========================================
   Breadcrumb
   ========================================== */

.breadcrumb {
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xs);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-link:hover {
    color: var(--accent-primary);
}

.breadcrumb-separator {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==========================================
   Page Header
   ========================================== */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

/* ==========================================
   Empty State
   ========================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-color);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    color: var(--text-muted);
}

.empty-state-title {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

/* ==========================================
   Projects Grid
   ========================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-top: 3px solid;
    border-image: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary)) 1;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 30px rgba(34, 211, 238, 0.25);
}

.project-card-header {
    margin-bottom: var(--spacing-sm);
}

.project-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.project-card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 var(--spacing-md) 0;
    flex: 1;
    /* Limit to 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.stat-item svg {
    color: var(--text-muted);
}

/* ==========================================
   Progress Bar
   ========================================== */

.project-card-progress {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.progress-value {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-bar {
    height: 6px;
    background: var(--bg-hover);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-percent {
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 500;
}

/* ==========================================
   Modal
   ========================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    padding: var(--spacing-md);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: calc(100vh - 2rem);
    overflow: auto;
    border-top: 3px solid;
    border-image: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary)) 1;
    transform: translateY(-20px);
    transition: transform 0.2s ease;
}

.modal-overlay.show .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    padding-top: 0;
}

.modal-footer-spread {
    justify-content: space-between;
}

.modal-footer-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Textarea styling */
.form-textarea {
    resize: vertical;
    min-height: 80px;
}

/* Required field indicator */
.required {
    color: var(--color-danger);
}

/* ==========================================
   Project Detail Page
   ========================================== */

.project-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.project-detail-info {
    flex: 1;
}

.project-detail-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
}

.project-detail-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.project-detail-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.project-detail-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Danger button */
.btn-danger {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background: var(--color-danger);
    color: var(--bg-main);
}

.btn-success {
    background: transparent;
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.btn-success:hover:not(:disabled) {
    background: var(--color-success);
    color: var(--bg-main);
}

.btn-warning {
    background: transparent;
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.btn-warning:hover:not(:disabled) {
    background: var(--color-warning);
    color: var(--bg-main);
}

/* ==========================================
   Project Stats Grid
   ========================================== */

.project-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.project-stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.stat-icon.members {
    background: rgba(34, 211, 238, 0.1);
    color: var(--accent-primary);
}

.stat-icon.epics {
    background: rgba(167, 139, 250, 0.1);
    color: var(--accent-secondary);
}

.stat-icon.tasks {
    background: rgba(52, 211, 153, 0.1);
    color: var(--color-success);
}

.stat-icon.progress {
    background: rgba(251, 191, 36, 0.1);
    color: var(--color-warning);
}

.stat-content {
    min-width: 0;
}

.stat-content .stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-content .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================
   Project Sections
   ========================================== */

.project-section {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* ==========================================
   Members List
   ========================================== */

.members-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.member-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    min-width: 200px;
}

.member-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-main);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    flex-shrink: 0;
}

.member-info {
    min-width: 0;
    flex-grow: 1;
}

.member-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================
   Board Tabs
   ========================================== */

.board-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.board-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.board-tab:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.2);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.board-tab svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.board-tab span {
    font-weight: 500;
}

.tab-count {
    margin-left: auto;
    background: var(--bg-hover);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================
   Delete Modal / Danger Modal
   ========================================== */

.modal-danger {
    border-top: 3px solid var(--color-danger);
    border-image: none;
}

.delete-warning {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.delete-warning .warning-icon {
    color: var(--color-danger);
    flex-shrink: 0;
}

.delete-warning h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.delete-warning p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.delete-warning p strong {
    color: var(--text-primary);
}

.delete-warning-cascade {
    color: var(--color-warning) !important;
    font-weight: 500;
}

.delete-warning-cascade strong {
    color: var(--color-warning) !important;
}

.delete-warning-icon {
    width: 24px;
    height: 24px;
    color: var(--color-danger);
    flex-shrink: 0;
}

.delete-warning-text {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.delete-warning-text strong {
    color: var(--color-danger);
}

/* ==========================================
   Warning Modal / Leave Modal
   ========================================== */

.modal-warning {
    border-top: 3px solid var(--color-warning);
    border-image: none;
}

.leave-warning {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.leave-warning-icon {
    width: 48px;
    height: 48px;
    color: var(--color-warning);
    flex-shrink: 0;
}

.leave-warning-text {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.leave-warning-text strong {
    color: var(--color-warning);
}

/* Section Header Actions */
.section-header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* ==========================================
   Small Button
   ========================================== */

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.section-header .btn-sm {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==========================================
   Member Item with Remove Button
   ========================================== */

.member-item {
    position: relative;
}

.member-remove-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-left: auto;
    flex-shrink: 0;
}

.member-remove-btn:hover {
    background: rgba(248, 113, 113, 0.1);
    color: var(--color-danger);
}

.member-joined {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.member-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: auto;
    flex-shrink: 0;
}

.role-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 2px 6px;
    font-size: 0.75rem;
    font-family: inherit;
    cursor: pointer;
    margin-left: var(--spacing-sm);
}

.role-select:hover {
    border-color: var(--accent-primary);
}

.role-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

/* ==========================================
   Search Results (Add Member Modal)
   ========================================== */

.search-results {
    max-height: 300px;
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.search-result-item:hover {
    background: var(--bg-hover);
}

.search-result-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-main);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    flex-shrink: 0;
}

.search-result-info {
    flex: 1;
    min-width: 0;
}

.search-result-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-empty,
.search-hint {
    padding: var(--spacing-lg);
    text-align: center;
}

.search-empty p,
.search-hint p {
    margin: 0;
    font-size: 0.875rem;
}

/* ==========================================
   Kanban Board
   ========================================== */

.board-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.board-header-info {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
}

.board-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.board-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

.board-header .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.board-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.board-presence {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: auto;
    margin-right: var(--spacing-md);
}

.presence-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-main);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: default;
    border: 2px solid var(--bg-main);
    margin-left: -8px;
    transition: transform 0.2s ease;
}

.presence-avatar:first-child {
    margin-left: 0;
}

.presence-avatar:hover {
    transform: scale(1.1);
    z-index: 10;
}

.presence-overflow {
    width: 32px;
    height: 32px;
    background: var(--bg-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    border: 2px solid var(--bg-main);
    margin-left: -8px;
}

/* ==========================================
   Status Filter
   ========================================== */

.status-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-label svg {
    width: 16px;
    height: 16px;
}

.filter-buttons {
    display: flex;
    gap: 4px;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-main);
}

.filter-clear {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-clear:hover {
    color: var(--color-danger);
}

.filter-clear svg {
    width: 14px;
    height: 14px;
}

/* Column filtered out state */
.kanban-column.filtered-out {
    display: none;
}

/* ==========================================
   Assignee Filter
   ========================================== */

.assignee-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-btn-avatar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
}

.filter-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--bg-main);
    flex-shrink: 0;
}

.filter-btn-avatar.active .filter-avatar {
    background: var(--bg-main);
    color: var(--accent-primary);
}

.filter-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80px;
}

/* Card filtered out by assignee */
.epic-card.filtered-out-assignee,
.task-card.filtered-out-assignee {
    display: none !important;
}

/* ==========================================
   Filter Dropdown Component
   ========================================== */

.filter-dropdown {
    position: relative;
    display: inline-block;
}

.filter-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
    justify-content: space-between;
}

.filter-dropdown-trigger:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.filter-dropdown.open .filter-dropdown-trigger {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.filter-dropdown-chevron {
    transition: transform 0.2s ease;
}

.filter-dropdown.open .filter-dropdown-chevron {
    transform: rotate(180deg);
}

.filter-dropdown-panel {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 100;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: none;
}

.filter-dropdown.open .filter-dropdown-panel {
    display: block;
}

.filter-dropdown-options {
    max-height: 240px;
    overflow-y: auto;
    padding: var(--spacing-xs);
}

.filter-dropdown-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s ease;
}

.filter-dropdown-option:hover {
    background: var(--bg-hover);
}

.filter-dropdown-option.selected {
    background: rgba(34, 211, 238, 0.1);
}

.filter-dropdown-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.filter-option-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--bg-main);
    flex-shrink: 0;
}

.filter-option-label {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.filter-dropdown-footer {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xs);
}

.filter-dropdown-clear {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
}

.filter-dropdown-clear:hover {
    background: rgba(248, 113, 113, 0.1);
    color: var(--color-danger);
}

.filter-dropdown-clear svg {
    width: 12px;
    height: 12px;
}

.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    min-height: calc(100vh - 250px);
}

/* ==========================================
   Kanban Column
   ========================================== */

.kanban-column {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    min-height: 400px;
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.column-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.column-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-hover);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.column-content {
    flex: 1;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    overflow-y: auto;
    min-height: 100px;
}

.column-content.drag-over {
    background: rgba(34, 211, 238, 0.08);
    border: 2px dashed var(--accent-primary);
    border-radius: var(--radius-md);
    margin: var(--spacing-xs);
    box-shadow: inset 0 0 20px rgba(34, 211, 238, 0.1);
    transition: all 0.2s ease;
}

/* Ghost element style during drag */
.epic-card[data-dragging="true"] {
    position: relative;
}

/* Visual feedback when card is being dragged over a valid drop zone */
.kanban-column.drag-target {
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.2);
}

.column-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

/* ==========================================
   Epic Card
   ========================================== */

.epic-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.epic-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 2px 8px rgba(34, 211, 238, 0.15);
    transform: translateY(-1px);
}

.epic-card.dragging {
    opacity: 0.6;
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.3);
    border-color: var(--accent-primary);
    z-index: 1000;
}

.epic-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.epic-card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
}

.epic-card-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.5;
}

.epic-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.epic-card-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.progress-bar-sm {
    height: 4px;
    flex: 1;
    max-width: 80px;
}

.progress-text {
    font-size: 0.625rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.epic-card-assignee {
    flex-shrink: 0;
}

.assignee-avatar {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-main);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Removed member styling - grayed out appearance */
.assignee-avatar.removed {
    background: var(--text-muted);
    opacity: 0.6;
}

.task-card-assignee.removed,
.epic-card-assignee.removed {
    opacity: 0.7;
}

/* ==========================================
   Deadline Badge
   ========================================== */

.deadline-badge {
    font-size: 0.625rem;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    flex-shrink: 0;
}

.deadline-ok {
    background: rgba(52, 211, 153, 0.15);
    color: var(--color-success);
}

.deadline-warning {
    background: rgba(251, 191, 36, 0.15);
    color: var(--color-warning);
}

.deadline-urgent {
    background: rgba(248, 113, 113, 0.15);
    color: var(--color-danger);
}

.deadline-overdue {
    background: rgba(248, 113, 113, 0.25);
    color: var(--color-danger);
    font-weight: 600;
}

/* ==========================================
   Form Row (for side-by-side fields)
   ========================================== */

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* ==========================================
   Large Modal
   ========================================== */

.modal-lg {
    max-width: 600px;
}

/* ==========================================
   Epic Detail Modal
   ========================================== */

.epic-detail-section {
    margin-bottom: var(--spacing-lg);
}

.epic-detail-section:last-child {
    margin-bottom: 0;
}

.epic-detail-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--spacing-xs) 0;
}

.detail-value {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.detail-value p {
    margin: 0;
    line-height: 1.6;
}

.detail-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.detail-progress .progress-bar {
    flex: 1;
    max-width: 200px;
}

.detail-progress .progress-text {
    font-size: 0.75rem;
}

.assignee-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.assignee-info .assignee-avatar {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
}

/* ==========================================
   Status Badge
   ========================================== */

.status-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.status-todo {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-secondary);
}

.status-in_progress {
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent-primary);
}

.status-done {
    background: rgba(52, 211, 153, 0.15);
    color: var(--color-success);
}

.status-will_not_do {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

/* Status Dropdown in Detail Modal */
.status-dropdown-wrapper {
    display: inline-block;
}

.status-select {
    min-width: 150px;
    font-size: 0.875rem;
    padding: 6px 36px 6px 10px;
    background-color: var(--bg-hover);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
}

.status-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

/* ==========================================
   Responsive Kanban Board
   ========================================== */

/* Desktop: 1280px+ - Full board with all 4 columns */
@media (min-width: 1280px) {
    .kanban-board {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Tablet: 768px - 1279px - Horizontal scroll for columns */
@media (min-width: 768px) and (max-width: 1279px) {
    .kanban-board {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
        gap: var(--spacing-md);
        padding-bottom: var(--spacing-md);
    }

    .kanban-board::-webkit-scrollbar {
        height: 8px;
    }

    .kanban-board::-webkit-scrollbar-track {
        background: var(--bg-card);
        border-radius: 4px;
    }

    .kanban-board::-webkit-scrollbar-thumb {
        background: var(--border-color);
        border-radius: 4px;
    }

    .kanban-board::-webkit-scrollbar-thumb:hover {
        background: var(--accent-primary);
    }

    .kanban-column {
        flex: 0 0 300px;
        min-width: 300px;
    }

    .board-header-actions {
        flex-wrap: wrap;
    }

    /* Filters become scrollable on tablet */
    .filter-buttons {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 200px;
        padding-bottom: 4px;
    }

    .filter-buttons::-webkit-scrollbar {
        display: none;
    }
}

/* Mobile: < 768px - Single column with status tabs */
@media (max-width: 767px) {
    /* Mobile status tabs */
    .mobile-status-tabs {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) 0;
        margin-bottom: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }

    .mobile-status-tabs::-webkit-scrollbar {
        display: none;
    }

    .mobile-status-tab {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 44px;
        min-width: 44px;
        white-space: nowrap;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        color: var(--text-secondary);
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s ease;
        flex-shrink: 0;
    }

    .mobile-status-tab.active {
        background: var(--accent-primary);
        border-color: var(--accent-primary);
        color: var(--bg-main);
    }

    .mobile-status-tab-count {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 20px;
        height: 20px;
        margin-left: var(--spacing-xs);
        padding: 0 6px;
        background: rgba(0, 0, 0, 0.2);
        border-radius: 10px;
        font-size: 0.75rem;
    }

    .mobile-status-tab.active .mobile-status-tab-count {
        background: rgba(0, 0, 0, 0.3);
    }

    /* Hide mobile tabs on desktop/tablet - they'll be shown via JS */
    .mobile-status-tabs {
        display: flex;
    }

    /* Kanban board becomes single column */
    .kanban-board {
        display: block;
    }

    /* Hide all columns by default on mobile */
    .kanban-column {
        display: none;
    }

    /* Show only the active column */
    .kanban-column.mobile-active {
        display: flex;
    }

    /* Remove column header on mobile (info shown in tabs) */
    .kanban-column.mobile-active .column-header {
        display: none;
    }

    .kanban-column.mobile-active .column-content {
        padding: 0;
    }

    /* Board header adjustments */
    .board-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .board-header-info {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .board-title {
        font-size: 1.25rem;
    }

    .board-header-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Stack filters vertically on mobile */
    .status-filter,
    .assignee-filter {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .filter-buttons {
        flex-wrap: wrap;
        width: 100%;
    }

    .filter-btn {
        flex: 1;
        min-width: 70px;
        justify-content: center;
        min-height: 44px;
    }

    /* Form adjustments */
    .form-row {
        grid-template-columns: 1fr;
    }

    .epic-detail-row,
    .task-detail-row {
        grid-template-columns: 1fr;
    }

    /* Modal adjustments */
    .modal {
        margin: var(--spacing-sm);
        max-height: calc(100vh - 1rem);
    }

    .modal-overlay {
        padding: var(--spacing-sm);
    }

    /* Header adjustments */
    .header-content {
        padding: 0 var(--spacing-md);
    }

    .header-center {
        display: none;
    }

    .header-right .chevron-icon {
        display: none;
    }

    /* Project cards */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    /* Project detail */
    .project-detail-header {
        flex-direction: column;
    }

    .project-detail-actions {
        width: 100%;
    }

    .project-detail-actions .btn {
        flex: 1;
    }

    .project-stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Board tabs */
    .board-tabs {
        grid-template-columns: 1fr;
    }

    /* Members list */
    .members-list {
        flex-direction: column;
    }

    .member-item {
        width: 100%;
        min-width: 0;
    }
}

/* Hide mobile tabs on desktop/tablet by default */
@media (min-width: 768px) {
    .mobile-status-tabs {
        display: none;
    }
}

/* Touch-friendly tap targets (44px minimum) */
.btn {
    min-height: 44px;
}

.filter-btn {
    min-height: 36px;
}

@media (max-width: 767px) {
    .filter-btn {
        min-height: 44px;
    }

    .dropdown-item {
        min-height: 48px;
    }

    .user-menu-trigger {
        min-height: 44px;
        min-width: 44px;
    }

    .modal-close {
        min-width: 44px;
        min-height: 44px;
    }

    .breadcrumb-link {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .search-result-item {
        min-height: 48px;
    }

    .member-remove-btn {
        min-width: 44px;
        min-height: 44px;
    }

    /* Increase card tap area */
    .epic-card,
    .task-card {
        min-height: 80px;
    }

    .project-card {
        min-height: 120px;
    }
}

/* ==========================================
   Task Card
   ========================================== */

.task-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.task-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 2px 8px rgba(34, 211, 238, 0.15);
    transform: translateY(-1px);
}

.task-card.dragging {
    opacity: 0.6;
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.3);
    border-color: var(--accent-primary);
    z-index: 1000;
}

.task-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.task-card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    flex: 1;
}

.task-card-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.5;
}

.task-card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.task-card-assignee {
    flex-shrink: 0;
}

.task-card-assignee-empty {
    width: 24px;
    height: 24px;
}

/* ==========================================
   Task Epic Badge
   ========================================== */

.task-epic-badge {
    font-size: 0.625rem;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    flex-shrink: 0;
    background: rgba(167, 139, 250, 0.15);
    color: var(--accent-secondary);
}

/* ==========================================
   Task Group (Grouping by Epic)
   ========================================== */

.task-group {
    margin-bottom: var(--spacing-md);
}

.task-group:last-child {
    margin-bottom: 0;
}

.task-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.task-group-title {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.task-group-title.task-group-no-epic {
    color: var(--text-muted);
}

.task-group-count {
    font-size: 0.625rem;
    color: var(--text-muted);
    background: var(--bg-hover);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.task-group-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ==========================================
   Task Detail Modal
   ========================================== */

.task-detail-section {
    margin-bottom: var(--spacing-lg);
}

.task-detail-section:last-child {
    margin-bottom: 0;
}

.task-detail-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Global Search Results Dropdown
   ========================================== */

.search-wrapper {
    position: relative;
    width: 100%;
}

.global-search-results {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 0;
    right: 0;
    max-height: 400px;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 100;
}

.global-search-results.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-results-content {
    padding: var(--spacing-sm) 0;
}

.search-group {
    padding: var(--spacing-sm) 0;
}

.search-group:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.search-group-header {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.search-result-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    transition: background 0.2s ease;
}

.search-result-item:hover {
    background: var(--bg-hover);
}

.search-result-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.search-result-title {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.875rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-result-status {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    text-transform: capitalize;
}

.search-result-status.status-todo {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.search-result-status.status-in-progress {
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent-primary);
}

.search-result-status.status-done {
    background: rgba(52, 211, 153, 0.15);
    color: var(--color-success);
}

.search-result-status.status-will-not-do {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

.search-result-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-result-project {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.search-no-results,
.search-error {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.search-error {
    color: var(--color-danger);
}

/* ==========================================
   Extra Small Screens (375px and below)
   ========================================== */

@media (max-width: 375px) {
    .app-content {
        padding: var(--spacing-md);
    }

    .page-title,
    .board-title {
        font-size: 1.125rem;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8125rem;
    }

    .mobile-status-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8125rem;
    }

    .project-stats-grid {
        grid-template-columns: 1fr;
    }

    .project-stat-card {
        padding: var(--spacing-md);
    }

    .stat-icon {
        width: 40px;
        height: 40px;
    }

    .stat-content .stat-value {
        font-size: 1.25rem;
    }

    .modal {
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
    }

    .modal-overlay {
        padding: 0;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
}

/* ===== Admin - Platform Invitations ===== */

/* Tabs */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Invitation List */
.invitation-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.invitation-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.invitation-row.invitation-accepted {
    opacity: 0.8;
}

.invitation-info {
    flex: 1;
}

.invitation-email {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.invitation-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.meta-separator {
    color: var(--text-muted);
}

.invitation-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.status-expired {
    background: rgba(248, 113, 113, 0.15);
    color: var(--color-danger);
}

.status-success {
    background: rgba(52, 211, 153, 0.15);
    color: var(--color-success);
}

/* Role badges */
.role-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: var(--spacing-sm);
    vertical-align: middle;
}

.role-admin {
    background: rgba(167, 139, 250, 0.15);
    color: var(--accent-secondary);
}

.role-user {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

/* Empty state small */
.empty-state-small {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-icon-small {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

/* Form hint */
.form-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* Invitation registration styles */
.invite-info {
    margin-bottom: var(--spacing-lg);
}

.invite-error-container {
    text-align: center;
}

.invite-error-container .alert-error {
    margin-bottom: var(--spacing-lg);
}

/* Small button variant */
.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn-sm svg {
    width: 14px;
    height: 14px;
    margin-right: 0.3rem;
}

/* Project invitation accept page */
.project-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin: var(--spacing-md) 0;
}

.invitation-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.invitation-actions .btn {
    width: 100%;
}

/* Admin Projects Table */
.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

.admin-projects-table-wrapper {
    overflow-x: auto;
    margin-top: var(--spacing-lg);
}

.admin-projects-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.admin-projects-table th,
.admin-projects-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-projects-table th {
    background: var(--bg-hover);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-projects-table tbody tr:hover {
    background: var(--bg-hover);
}

.admin-projects-table tbody tr:last-child td {
    border-bottom: none;
}

.project-name-cell .project-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.project-name-cell .project-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.member-count {
    font-weight: 500;
}

.member-count-warning {
    color: var(--color-warning);
}

.limit-edit-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.limit-value {
    font-weight: 500;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.btn-icon:hover {
    color: var(--accent-primary);
    background: var(--bg-hover);
}

.limit-edit-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.limit-edit-form.hidden {
    display: none;
}

.limit-input {
    width: 70px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
}

.limit-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.hidden {
    display: none !important;
}

.progress-bar-container {
    width: 100%;
    max-width: 120px;
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    display: inline-block;
    margin-left: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

td .progress-bar-container {
    display: inline-block;
    vertical-align: middle;
}

/* ==========================================
   Audit Logs Page
   ========================================== */

.audit-filters {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 180px;
}

.audit-filters .filter-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.filter-select,
.filter-input {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

.filter-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-left: auto;
}

.audit-results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-sm);
}

.results-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.page-info {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.audit-logs-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.audit-logs-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.audit-logs-table thead {
    background: var(--bg-hover);
}

.audit-logs-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.audit-logs-table td {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    vertical-align: top;
}

.audit-log-row:hover {
    background: var(--bg-hover);
}

.timestamp-cell {
    white-space: nowrap;
}

.log-date {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
}

.log-time {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.user-cell {
    min-width: 180px;
}

.user-cell .user-name {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
}

.user-cell .user-email {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.action-cell {
    white-space: nowrap;
}

.action-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.action-badge.action-create {
    background: rgba(52, 211, 153, 0.15);
    color: var(--color-success);
}

.action-badge.action-update {
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent-primary);
}

.action-badge.action-delete {
    background: rgba(248, 113, 113, 0.15);
    color: var(--color-danger);
}

.action-badge.action-accept {
    background: rgba(167, 139, 250, 0.15);
    color: var(--accent-secondary);
}

.action-badge.action-leave {
    background: rgba(251, 191, 36, 0.15);
    color: var(--color-warning);
}

.action-badge.action-promote {
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent-primary);
}

.target-cell {
    white-space: nowrap;
}

.target-id {
    margin-left: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.details-cell {
    min-width: 200px;
    max-width: 300px;
}

.details-content {
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-word;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.page-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 var(--spacing-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s ease;
}

.page-number:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.page-number.current {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-main);
}

.page-ellipsis {
    color: var(--text-muted);
    padding: 0 var(--spacing-xs);
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}