/* ═══════════════════════════════════════════════════════════
   TwinAI Daily Reports — Design System
   Liquid Glass iOS-style + Inter font
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables (Dark Mode — Default) ─────────────── */
:root {
    --primary: #0055FF;
    --primary-hover: #0044CC;
    --accent: #00D9C0;
    --accent-hover: #00BFA8;

    /* Glass surfaces — translucent with blur */
    --surface-page: #0B1120;
    --surface-card: rgba(255, 255, 255, 0.04);
    --surface-card-hover: rgba(255, 255, 255, 0.07);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --surface-input: rgba(255, 255, 255, 0.03);

    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-dim: #6B7280;
    --text-accent: #00D9C0;

    /* Glass borders — subtle white edges */
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.12);
    --border-focus: #0055FF;

    /* Status Colors */
    --status-pending: #F59E0B;
    --status-submitted: #00D9C0;
    --status-reviewed: #3B82F6;
    --status-approved: #10B981;
    --status-needs-revision: #EF4444;
    --status-draft: #6B7280;

    /* Task Status */
    --task-done: #10B981;
    --task-in-progress: #F59E0B;
    --task-not-started: #6B7280;

    /* Priority */
    --priority-high: #EF4444;
    --priority-medium: #F59E0B;
    --priority-low: #3B82F6;

    /* Spacing */
    --sidebar-width: 260px;
    --header-height: 64px;

    /* Glass effects */
    --glass-blur: blur(24px);
    --glass-blur-lg: blur(40px);
    --glass-border: 1px solid var(--border);
    --glass-border-strong: 1px solid var(--border-strong);
    --glass-shine: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    --glass-glow: 0 0 1px rgba(255, 255, 255, 0.05);

    /* Shadows — soft, diffused */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.15), var(--glass-shine);

    /* Radius — generous rounding for glass feel */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ── Light Mode Overrides ────────────────────────────── */
[data-theme="light"] {
    --surface-page: #F1F5F9;
    --surface-card: rgba(255, 255, 255, 0.82);
    --surface-card-hover: rgba(255, 255, 255, 0.92);
    --surface-hover: rgba(0, 0, 0, 0.04);
    --surface-input: rgba(255, 255, 255, 0.5);

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-dim: #64748B;
    --text-accent: #0D9488;

    --border: rgba(0, 0, 0, 0.1);
    --border-strong: rgba(0, 0, 0, 0.18);
    --border-focus: #0055FF;

    --glass-shine: inset 0 1px 0 rgba(255, 255, 255, 0.9);
    --glass-glow: 0 0 1px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04), var(--glass-shine);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--surface-page);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

/* Subtle dot grid background pattern */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
    background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 24px 24px;
}

[data-theme="light"] body::before {
    background-image: radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px);
}

/* Ensure content sits above the pattern */
.app-layout, .main-content, .sidebar {
    position: relative;
    z-index: 1;
}

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

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px;
    min-height: 100vh;
}

@media (max-width: 768px) {
    .main-content { margin-left: 0; padding: 16px; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
}

/* ── Sidebar — Frosted Glass ─────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--surface-card);
    backdrop-filter: var(--glass-blur-lg);
    -webkit-backdrop-filter: var(--glass-blur-lg);
    border-right: var(--glass-border-strong);
    box-shadow: var(--glass-shine), 1px 0 24px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: var(--glass-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    height: 28px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}

.sidebar-brand {
    display: none; /* Logo already contains the name */
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: 1px solid transparent;
}

.nav-item:hover {
    background: var(--surface-hover);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    text-decoration: none;
    border-color: var(--border);
}

.nav-item.active {
    background: rgba(0, 85, 255, 0.1);
    border-color: rgba(0, 85, 255, 0.15);
    color: var(--primary);
    font-weight: 600;
    box-shadow: var(--glass-shine);
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active .nav-icon { opacity: 1; }

.sidebar-footer {
    padding: 16px 12px;
    border-top: var(--glass-border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: #fff;
    flex-shrink: 0;
}

.user-name { font-size: 14px; font-weight: 600; }
.user-role { font-size: 12px; color: var(--text-dim); }

/* ── Priority Dots ────────────────────────────────────── */
.priority-dots {
    display: inline-flex; align-items: center; gap: 3px; cursor: pointer;
    padding: 2px 4px; border-radius: 6px;
    transition: background var(--transition-fast);
}
.priority-dots:hover { background: var(--surface-hover); }
.priority-dots .dot {
    width: 7px; height: 7px; border-radius: 50%;
    transition: all 0.15s;
}
.priority-dots .dot.filled { background: var(--dot-color); box-shadow: 0 0 4px var(--dot-color); }
.priority-dots .dot.empty { background: var(--border); opacity: 0.4; }
.priority-dots[data-priority="low"] { --dot-color: #6B7280; }
.priority-dots[data-priority="medium"] { --dot-color: #F59E0B; }
.priority-dots[data-priority="high"] { --dot-color: #EF4444; }
.priority-dots .priority-label {
    font-size: 9px; font-weight: 600; color: var(--dot-color);
    margin-left: 3px; text-transform: uppercase; letter-spacing: 0.3px;
}

/* ── Breadcrumb / Back Link ──────────────────────────── */
.breadcrumb-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-dim);
    text-decoration: none;
    padding: 4px 10px 4px 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    margin-bottom: 8px;
}
.breadcrumb-back:hover {
    color: var(--primary);
    background: var(--surface-hover);
    text-decoration: none;
}
.breadcrumb-back svg {
    opacity: 0.6;
    transition: transform var(--transition-fast);
}
.breadcrumb-back:hover svg {
    opacity: 1;
    transform: translateX(-2px);
}

/* ── Header ──────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── Cards — Glass Morphism ──────────────────────────── */
.card {
    background: var(--surface-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-strong);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: border-color var(--transition-fast);
}

.card:hover {
    border-color: var(--border-strong);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: var(--glass-border);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
}

/* ── Stat Cards — Glass ──────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--surface-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-strong);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.count-up {
    transition: all 0.6s ease-out;
}

.stat-change {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ── Buttons — Solid Colors ──────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 85, 255, 0.25);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    box-shadow: 0 4px 16px rgba(0, 85, 255, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--surface-hover);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    border: var(--glass-border-strong);
    box-shadow: var(--glass-shine);
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 12px;
    border: 1px solid transparent;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--surface-hover);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-color: var(--border);
}

.btn-danger {
    background: #EF4444;
    color: #fff;
}

.btn-danger:hover:not(:disabled) { background: #DC2626; }

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }

/* ── Inputs (Underline style) ────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border-strong);
    padding: 10px 4px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
    width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-bottom-color: var(--primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-dim);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%236B7280'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
    padding-right: 24px;
    cursor: pointer;
}

.form-select option {
    background: #1a2332;
    color: var(--text-primary);
}

[data-theme="light"] .form-select option {
    background: #fff;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* ── Inline Editable Table — Glass Rows ──────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 12px;
    text-align: left;
    border-bottom: 2px solid var(--border-strong);
    white-space: nowrap;
}

.data-table tbody tr {
    border-bottom: var(--glass-border);
    transition: all var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--surface-hover);
    backdrop-filter: var(--glass-blur);
}

.data-table td {
    padding: 10px 12px;
    font-size: 14px;
    vertical-align: middle;
}

.data-table .inline-input {
    background: transparent;
    border: none;
    border-bottom: 1px solid transparent;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    padding: 4px 2px;
    width: 100%;
    outline: none;
    transition: border-color var(--transition-fast);
}

.data-table .inline-input:focus {
    border-bottom-color: var(--primary);
}

.data-table .inline-select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    padding: 4px 0;
}

.data-table .inline-select option {
    background: #1a2332;
}

[data-theme="light"] .data-table .inline-select option {
    background: #fff;
}

/* ── Pill Badges — Glass Chips ───────────────────────── */
.pill {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid transparent;
}

.pill-draft { background: rgba(107,114,128,0.12); color: var(--status-draft); border-color: rgba(107,114,128,0.15); }
.pill-pending { background: rgba(245,158,11,0.12); color: var(--status-pending); border-color: rgba(245,158,11,0.15); }
.pill-submitted { background: rgba(0,217,192,0.12); color: var(--status-submitted); border-color: rgba(0,217,192,0.15); }
.pill-reviewed { background: rgba(59,130,246,0.12); color: var(--status-reviewed); border-color: rgba(59,130,246,0.15); }
.pill-approved { background: rgba(16,185,129,0.12); color: var(--status-approved); border-color: rgba(16,185,129,0.15); }
.pill-needs_revision { background: rgba(239,68,68,0.12); color: var(--status-needs-revision); border-color: rgba(239,68,68,0.15); }

.pill-done { background: rgba(16,185,129,0.12); color: var(--task-done); border-color: rgba(16,185,129,0.15); }
.pill-in_progress { background: rgba(245,158,11,0.12); color: var(--task-in-progress); border-color: rgba(245,158,11,0.15); }
.pill-not_started { background: rgba(107,114,128,0.12); color: var(--task-not-started); border-color: rgba(107,114,128,0.15); }

.pill-high { background: rgba(239,68,68,0.12); color: var(--priority-high); border-color: rgba(239,68,68,0.15); }
.pill-medium { background: rgba(245,158,11,0.12); color: var(--priority-medium); border-color: rgba(245,158,11,0.15); }
.pill-low { background: rgba(59,130,246,0.12); color: var(--priority-low); border-color: rgba(59,130,246,0.15); }

/* ── Progress Ring ───────────────────────────────────── */
.progress-ring-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: var(--border-strong);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.6s ease;
}

.progress-ring-text {
    position: absolute;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.progress-ring-label {
    position: absolute;
    bottom: -4px;
    font-size: 11px;
    color: var(--text-dim);
}

/* ── Enhanced Progress Bars ──────────────────────────── */
.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}
.progress-bar-lg { height: 8px; border-radius: 4px; }
.progress-bar-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}
.progress-bar-fill::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
    animation: progress-shimmer 2s ease-in-out infinite;
}
@keyframes progress-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
.progress-bar-fill.green { background: linear-gradient(90deg, #10B981 0%, #34D399 100%); }
.progress-bar-fill.amber { background: linear-gradient(90deg, #F59E0B 0%, #FBBF24 100%); }
.progress-bar-fill.red { background: linear-gradient(90deg, #EF4444 0%, #F87171 100%); }

/* Auto-color based on percentage via data attribute */
.progress-bar[data-percent] .progress-bar-fill {
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

/* Inline progress with text */
.progress-inline {
    display: flex; align-items: center; gap: 8px;
}
.progress-inline .progress-bar { flex: 1; min-width: 40px; }
.progress-inline .progress-text {
    font-size: 12px; font-weight: 600; color: var(--text-secondary);
    white-space: nowrap;
}

/* ── Slide-out Panel — Frosted Glass ─────────────────── */
.slide-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.slide-panel-overlay.open {
    opacity: 1;
    visibility: visible;
}

.slide-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    max-width: 100vw;
    height: 100vh;
    background: var(--surface-card);
    backdrop-filter: var(--glass-blur-lg);
    -webkit-backdrop-filter: var(--glass-blur-lg);
    border-left: var(--glass-border-strong);
    z-index: 201;
    transform: translateX(100%);
    transition: transform 300ms ease;
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.2);
}

.slide-panel.open {
    transform: translateX(0);
}

.slide-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: var(--glass-border);
    flex-shrink: 0;
}

.slide-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.slide-panel-footer {
    padding: 16px 24px;
    border-top: var(--glass-border);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-shrink: 0;
}

/* ── Comments Thread ─────────────────────────────────── */
.comments-thread {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comment-item {
    display: flex;
    gap: 12px;
}

.comment-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--surface-hover);
    backdrop-filter: var(--glass-blur);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
    border: var(--glass-border);
}

.comment-avatar.manager {
    background: rgba(0,85,255,0.15);
    color: var(--primary);
    border-color: rgba(0,85,255,0.2);
}

.comment-body {
    flex: 1;
}

.comment-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.comment-author {
    font-size: 13px;
    font-weight: 600;
}

.comment-time {
    font-size: 11px;
    color: var(--text-dim);
}

.comment-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.comment-input-area {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: var(--glass-border);
}

.comment-input-area input {
    flex: 1;
}

/* ── Calendar Heatmap — Compact ─────────────────────── */
.calendar-wrapper {
    max-width: 420px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
}

.calendar-header-cell {
    padding: 4px 2px;
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.calendar-cell {
    aspect-ratio: 1;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    position: relative;
    max-width: 54px;
}

.calendar-cell:hover {
    border-color: var(--primary);
    transform: scale(1.08);
    z-index: 2;
}

.calendar-cell .day-number {
    font-weight: 600;
    font-size: 12px;
    line-height: 1;
}

.calendar-cell .day-hours {
    font-size: 9px;
    color: var(--text-dim);
    line-height: 1;
    margin-top: 1px;
}

.calendar-cell.empty { cursor: default; }
.calendar-cell.empty:hover { border-color: transparent; transform: none; }

/* Heatmap levels — glass style */
.heat-0 { background: var(--surface-hover); }
.heat-1 { background: rgba(59, 130, 246, 0.12); color: #93C5FD; border-color: rgba(59,130,246,0.08); }
.heat-2 { background: rgba(59, 130, 246, 0.25); color: #60A5FA; border-color: rgba(59,130,246,0.15); }
.heat-3 { background: rgba(59, 130, 246, 0.4); color: #3B82F6; border-color: rgba(59,130,246,0.2); }
.heat-4 { background: rgba(0, 217, 192, 0.3); color: #00D9C0; border-color: rgba(0,217,192,0.2); }

/* ── AI Assistant Card — Glass ───────────────────────── */
.ai-card {
    background: rgba(0, 85, 255, 0.06);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(0, 85, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin: 12px 0;
    box-shadow: var(--glass-shine);
}

.ai-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}

.ai-card-content {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.ai-card-actions {
    display: flex;
    gap: 8px;
}

/* ── Snackbar Toast — Glass ──────────────────────────── */
.snackbar-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
}

.snackbar {
    background: var(--surface-card);
    backdrop-filter: var(--glass-blur-lg);
    -webkit-backdrop-filter: var(--glass-blur-lg);
    color: var(--text-primary);
    border: var(--glass-border-strong);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg), var(--glass-shine);
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
    animation: snackbarIn 300ms ease forwards;
    max-width: 400px;
}

.snackbar.success { border-left: 3px solid var(--status-approved); }
.snackbar.error { border-left: 3px solid var(--status-needs-revision); }
.snackbar.info { border-left: 3px solid var(--primary); }
.snackbar.warning { border-left: 3px solid var(--status-pending); }

.snackbar.removing {
    animation: snackbarOut 200ms ease forwards;
}

@keyframes snackbarIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes snackbarOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(20px); }
}

/* ── Loading Spinner ─────────────────────────────────── */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-strong);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.spinner-lg { width: 40px; height: 40px; border-width: 3px; }

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11, 17, 32, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 10;
}

[data-theme="light"] .loading-overlay {
    background: rgba(238, 242, 247, 0.5);
}

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

/* ── File Upload Area — Glass ────────────────────────── */
.upload-area {
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--surface-input);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(0, 85, 255, 0.04);
}

.upload-area-icon {
    font-size: 32px;
    margin-bottom: 8px;
    color: var(--text-dim);
}

.upload-area-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-area-hint {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ── Attachment Gallery — Glass Items ────────────────── */
.attachment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.attachment-item {
    background: var(--surface-hover);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    transition: all var(--transition-fast);
}

.attachment-item:hover { border-color: var(--primary); }

.attachment-icon { font-size: 28px; color: var(--text-dim); }

.attachment-name {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    word-break: break-word;
    max-width: 100%;
}

.attachment-size {
    font-size: 11px;
    color: var(--text-dim);
}

.attachment-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(239,68,68,0.15);
    backdrop-filter: blur(8px);
    color: #EF4444;
    border: none;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.attachment-item:hover .attachment-remove { opacity: 1; }

/* ── Theme Toggle ────────────────────────────────────── */
.theme-toggle {
    width: 44px;
    height: 24px;
    border-radius: 12px;
    background: var(--surface-hover);
    border: var(--glass-border);
    cursor: pointer;
    position: relative;
    transition: background var(--transition-fast);
}

.theme-toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text-primary);
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
}

[data-theme="light"] .theme-toggle::after {
    transform: translateX(20px);
}

/* ── Mobile Menu Toggle ──────────────────────────────── */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 150;
    background: var(--surface-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border-strong);
    border-radius: var(--radius-sm);
    padding: 8px;
    cursor: pointer;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; }
}

/* ── Light Mode — Element Overrides ───────────────────── */
[data-theme="light"] .sidebar {
    background: rgba(255, 255, 255, 0.88);
    border-right-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .sidebar-nav .nav-item {
    color: #334155;
}
[data-theme="light"] .sidebar-nav .nav-item:hover {
    background: rgba(0, 85, 255, 0.06);
    color: #0F172A;
}
[data-theme="light"] .sidebar-nav .nav-item.active {
    background: rgba(0, 85, 255, 0.1);
    color: #0055FF;
}
[data-theme="light"] .user-avatar {
    background: #3B82F6;
}
[data-theme="light"] .card {
    border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .stat-card,
[data-theme="light"] .mini-stat {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .pill {
    backdrop-filter: none;
}
[data-theme="light"] .data-table thead th {
    color: #475569;
    border-bottom-color: rgba(0, 0, 0, 0.12);
}
[data-theme="light"] .data-table tbody tr:hover {
    background: rgba(0, 85, 255, 0.04);
}
[data-theme="light"] .btn-ghost {
    color: #334155;
}
[data-theme="light"] .btn-ghost:hover {
    background: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .breadcrumb-back {
    color: #475569;
}
[data-theme="light"] .page-title {
    color: #0F172A;
}

/* ── Utility Classes ─────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-dim { color: var(--text-dim); }
.text-secondary { color: var(--text-secondary); }
.text-sm { font-size: 13px; }
.font-semibold { font-weight: 600; }
.w-full { width: 100%; }
.relative { position: relative; }
.hidden { display: none !important; }

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }