/* =============================================================================
   DCBI Password Manager — Design System
   Dark theme with premium aesthetics
   ============================================================================= */

/* --- CSS Custom Properties --- */
:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d28;
    --bg-card: #1e2233;
    --bg-card-hover: #252a3a;
    --bg-input: #151821;
    --border-color: #2a2f42;
    --border-focus: #6366f1;
    --text-primary: #e8eaed;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.1);
    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.1);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.1);
    --info: #60a5fa;
    --info-bg: rgba(96, 165, 250, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --transition: 0.2s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* --- Light Theme --- */
:root[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-input: #ffffff;
    --border-color: #e2e8f0;
    --border-focus: #4f46e5;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-glow: rgba(79, 70, 229, 0.1);
    --success: #059669;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #d97706;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #dc2626;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #2563eb;
    --info-bg: rgba(59, 130, 246, 0.1);
}

:root[data-theme="light"] .sidebar-brand h1 {
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

:root[data-theme="light"] .user-avatar {
    background: linear-gradient(135deg, var(--accent), #7c3aed);
}

:root[data-theme="light"] .login-box .logo h1 {
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

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

/* --- Layout --- */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 2rem 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.sidebar-brand h1 {
    font-size: 1.15rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.sidebar-brand .subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 0 0.75rem;
}

.nav-section {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 1rem 0.75rem 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-link:hover {
    background: var(--accent-glow);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.nav-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
}

.user-details {
    flex: 1;
}

.user-details .name {
    font-size: 0.85rem;
    font-weight: 600;
}

.user-details .role {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem 2.5rem;
    max-width: 1200px;
}

/* --- Page Header --- */
.page-header {
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-header .description {
    color: var(--text-secondary);
    margin-top: 0.25rem;
    font-size: 0.9rem;
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all var(--transition);
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 0 20px var(--accent-glow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 600;
}

/* --- Stat Cards --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #a78bfa);
}

.stat-card.success::before {
    background: linear-gradient(90deg, var(--success), #6ee7b7);
}

.stat-card.warning::before {
    background: linear-gradient(90deg, var(--warning), #fcd34d);
}

.stat-card.info::before {
    background: linear-gradient(90deg, var(--info), #93c5fd);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* --- Tables --- */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th {
    text-align: left;
    padding: 0.85rem 1rem;
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: var(--bg-card-hover);
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
}

.badge-neutral {
    background: rgba(156, 163, 175, 0.1);
    color: var(--text-secondary);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-danger:hover {
    background: rgba(248, 113, 113, 0.2);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
}

.btn-icon {
    padding: 0.45rem;
    border-radius: var(--radius-xs);
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--accent-glow);
    color: var(--accent);
    border-color: var(--accent);
}

/* --- Forms --- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font);
    transition: all var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='m8 11-5-5h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* --- Password field with show/hide and copy --- */
.password-field {
    position: relative;
    display: flex;
    gap: 0.5rem;
}

.password-field input {
    flex: 1;
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
}

.password-toggle,
.password-copy {
    padding: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
}

.password-toggle:hover,
.password-copy:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* --- Modal / Dialog --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    width: 90%;
    max-width: 520px;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

/* --- Login Page --- */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 2rem;
}

.login-box {
    width: 100%;
    max-width: 400px;
}

.login-box .logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-box .logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-box .logo p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.login-card .form-group {
    margin-bottom: 1.25rem;
}

.login-card .btn-primary {
    width: 100%;
    padding: 0.7rem;
    font-size: 0.95rem;
    justify-content: center;
}

.error-alert {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 0.65rem 1rem;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.warning-alert {
    background: var(--warning-bg);
    color: var(--warning);
    padding: 0.65rem 1rem;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.info-alert {
    background: var(--info-bg);
    color: var(--info);
    padding: 0.65rem 1rem;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(96, 165, 250, 0.2);
}

/* --- Activity List --- */
.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.activity-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* --- DW Hour Grid Schedule --- */
.hour-grid {
    overflow-x: auto;
}

.hour-grid-row {
    display: flex;
    align-items: center;
    gap: 1px;
    margin-bottom: 1px;
}

.hour-grid-header {
    margin-bottom: 2px;
}

.hour-grid-day-label {
    width: 36px;
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    padding: 2px 0;
    user-select: none;
}

.hour-grid-day-label:hover {
    color: var(--accent);
}

.hour-grid-hour-label {
    width: 24px;
    flex-shrink: 0;
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--text-muted);
    text-align: center;
    cursor: pointer;
    user-select: none;
}

.hour-grid-hour-label:hover {
    color: var(--accent);
}

.hour-grid-cell {
    width: 24px;
    height: 20px;
    flex-shrink: 0;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.hour-grid-cell:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.hour-grid-cell.active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 4px rgba(99, 102, 241, 0.4);
}

/* --- Alias format display --- */
.alias-preview {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background: var(--bg-input);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border-color);
    color: var(--accent);
    margin-top: 0.25rem;
}

/* --- Platform search dropdown --- */
.platform-list {
    max-height: 200px;
    overflow-y: scroll;
    overscroll-behavior: contain;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xs);
    background: var(--bg-input);
    margin-bottom: 0.75rem;
    flex-shrink: 0;
}
.platform-item {
    padding: 0.45rem 0.75rem;
    cursor: pointer;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.platform-item:hover {
    background: var(--accent);
    color: #fff;
}
.platform-item:hover span {
    color: rgba(255,255,255,0.7);
}

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.85rem;
    max-width: 320px;
    margin: 0 auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        padding: 1rem 0;
    }

    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }

    .layout {
        flex-direction: column;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

/* --- Animations --- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- Copy feedback --- */
.copied-feedback {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--success);
    color: #000;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
}

/* --- Icon-only button (copy/toggle in tables) --- */
.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.2rem;
    font-size: 0.85rem;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.btn-icon:hover {
    opacity: 1;
}

/* --- Password toggle inside field --- */
.password-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.2rem;
    font-size: 0.85rem;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.password-toggle:hover {
    opacity: 1;
}

/* --- Stats grid adjustments for more cards --- */
.stats-grid {
    flex-wrap: wrap;
}

/* --- Info alert --- */
.info-alert {
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid rgba(96, 165, 250, 0.2);
    border-left: 3px solid var(--info);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}