/* CMSMinds Core Design System: Premium Glass-Modern */
:root {
    /* Semantic HSL system for precise derivation */
    --h: 220;
    --s: 18%;
    /* Primary (Vibrant Orange) */
    --p-h: 19;
    --p-s: 89%;
    --p-l: 54%;

    /* Light Theme */
    --primary: hsl(var(--p-h), var(--p-s), var(--p-l));
    --primary-hover: hsl(var(--p-h), var(--p-s), calc(var(--p-l) - 8%));
    --primary-glow: hsla(var(--p-h), var(--p-s), var(--p-l), 0.35);

    --bg-main: hsl(var(--h), 33%, 98%);
    --bg-card: hsl(var(--h), 25%, 100%);
    --text-main: hsl(222, 47%, 11%);
    --text-muted: hsl(215, 16%, 47%);
    --border: hsl(214, 32%, 91%);

    /* Glassmorphism 2.0 */
    --glass-bg: hsla(0, 0%, 100%, 0.75);
    --glass-border: hsla(var(--h), 20%, 90%, 0.5);
    --glass-blur: 12px;

    /* Elevation */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

    --radius-sm: 0.5rem;
    --radius-md: 0.85rem;
    --radius-lg: 1.25rem;

    /* Sidebar/Shell */
    --sidebar-width: 280px;
    --sidebar-bg: hsl(222, 47%, 8%);
    --header-height: 72px;
}

[data-theme="dark"] {
    --bg-main: hsl(222, 47%, 6%);
    --bg-card: hsl(222, 47%, 10%);
    --text-main: hsl(210, 40%, 98%);
    --text-muted: hsl(215, 20%, 65%);
    --border: hsl(217, 33%, 17%);

    --glass-bg: hsla(222, 47%, 12%, 0.85);
    --glass-border: hsla(210, 40%, 98%, 0.05);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s ease;
    -webkit-font-smoothing: antialiased;
}

/* Glassmorphism 2.0 Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.text-gradient {
    background: linear-gradient(135deg, var(--text-main) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-glow);
}

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

.sidebar {
    width: var(--sidebar-width) !important;
    background: var(--sidebar-bg) !important;
    color: white !important;
    height: 100vh !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    z-index: 3000 !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex !important;
    flex-direction: column !important;
    padding: 2rem 1.25rem !important;
    overflow-x: hidden !important;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-logo {
    margin-bottom: 3rem !important;
    padding: 0 0.5rem !important;
}

.sidebar nav {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.35rem !important;
    flex: 1 !important;
}

.main-content {
    flex: 1 !important;
    margin-left: var(--sidebar-width) !important;
    padding: 0 !important;
    /* Header has its own padding */
    transition: margin-left 0.3s ease;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 1.5rem;
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%) !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding-top: var(--header-height) !important;
    }

    #sidebar-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }

    .sidebar-open .sidebar {
        transform: translateX(0) !important;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        z-index: 2500;
    }

    .sidebar-open .sidebar-overlay {
        display: block;
    }
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-main);
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    background: linear-gradient(135deg, var(--text-main) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(1.4rem, 2.5vw, 1.75rem);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid transparent;
    gap: 0.75rem;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white !important;
    box-shadow: 0 8px 20px -6px var(--primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 24px -8px var(--primary-glow);
}

.btn-ghost {
    background: hsla(var(--h), 20%, 90%, 0.3);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: hsla(var(--p-h), var(--p-s), var(--p-l), 0.08);
    color: var(--primary);
    border-color: var(--primary-glow);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 2rem;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-glow);
    box-shadow: var(--shadow-lg);
}

.card:hover::after {
    opacity: 0.03;
}

/* Grid & Layout Utilities */
.grid {
    display: grid;
    gap: 1.75rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {

    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {

    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Form Elements */
input,
textarea,
select {
    width: 100%;
    padding: 0.85rem;
    background: rgba(15, 17, 21, 0.03);
    border: 1px solid var(--border);
    border-radius: 0.6rem;
    color: var(--text-main);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: #334155;
    /* Slate 700 */
    color: #f8fafc;
    border-color: #475569;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    background: transparent;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.15);
}

select option {
    background-color: var(--bg-card);
    color: var(--text-main);
    padding: 10px;
}

[data-theme="dark"] select option {
    background-color: #334155;
    /* Matches input bg */
    color: #f8fafc;
}

label {
    display: block;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Header & Nav REFACTORED */
.top-header {
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 2000;
    padding: 0 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.top-header input {
    margin-bottom: 0;
    border-radius: 2rem;
    background: var(--bg-main);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.top-header input:focus {
    width: 350px;
    background: var(--bg-card);
}

/* Sidebar Navigation Item */
.sidebar-nav-item {
    display: flex !important;
    align-items: center !important;
    gap: 1rem !important;
    padding: 0.9rem 1.25rem !important;
    color: hsla(0, 0%, 100%, 0.5) !important;
    text-decoration: none !important;
    font-size: 0.925rem !important;
    font-weight: 500 !important;
    border-radius: var(--radius-sm) !important;
    margin-bottom: 0.35rem !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    position: relative;
}

.sidebar-nav-item i {
    width: 20px !important;
    text-align: center !important;
    font-size: 1.2rem !important;
    transition: transform 0.3s ease;
}

.sidebar-nav-item:hover {
    background: hsla(0, 0%, 100%, 0.05) !important;
    color: hsla(0, 0%, 100%, 0.95) !important;
    padding-left: 1.5rem !important;
}

.sidebar-nav-item:hover i {
    transform: scale(1.15);
}

.sidebar-nav-item.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%) !important;
    color: white !important;
    box-shadow: 0 8px 20px -6px var(--primary-glow) !important;
    font-weight: 600;
}

.sidebar-nav-item.active::before {
    content: '';
    position: absolute;
    left: -1.25rem;
    top: 20%;
    height: 60%;
    width: 4px;
    background: var(--primary);
    border-radius: 0 4px 4px 0;
}

/* Cleanup Legacy Nav */
.desktop-nav,
.nav-text {
    display: none !important;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    margin-top: 0.5rem;
    min-width: 220px;
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 0.75rem !important;
    padding: 0.6rem !important;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
}

.dropdown-right .dropdown-content {
    right: 0;
    left: auto;
}

/* Bridge the gap for hover stability */
.dropdown-content::before {
    content: '';
    position: absolute;
    top: -0.5rem;
    left: 0;
    width: 100%;
    height: 0.5rem;
    background: transparent;
}

.dropdown:hover .dropdown-content {
    display: block;
    animation: fadeInUp 0.2s ease-out;
}

.dropdown-content a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1rem;
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 0.5rem !important;
    margin: 0.15rem 0 !important;
    transition: all 0.2s;
}

.dropdown-content a:hover {
    background: rgba(242, 101, 34, 0.08) !important;
    color: var(--primary) !important;
    transform: translateX(4px);
}

/* Avatar */
.avatar-circle {
    box-shadow: 0 0 0 2px var(--border);
    transition: 0.3s;
}

.avatar-circle:hover {
    transform: scale(1.1);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: 2rem;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    gap: 0.35rem;
}

.badge-primary {
    background: hsla(var(--p-h), var(--p-s), var(--p-l), 0.1);
    color: var(--primary);
    border: 1px solid hsla(var(--p-h), var(--p-s), var(--p-l), 0.1);
}

.badge-success {
    background: hsla(142, 70%, 50%, 0.1);
    color: #10b981;
    border: 1px solid hsla(142, 70%, 50%, 0.1);
}

.badge-warning {
    background: hsla(38, 92%, 50%, 0.1);
    color: #f59e0b;
    border: 1px solid hsla(38, 92%, 50%, 0.1);
}

.badge-danger {
    background: hsla(0, 84%, 60%, 0.1);
    color: #ef4444;
    border: 1px solid hsla(0, 84%, 60%, 0.1);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.animate-fade-in {
    animation: fadeInUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* ============================================================
   GLOBAL MICRO-ANIMATIONS & PHASE 3 UTILITIES
   ============================================================ */

/* Stagger fade-in for lists */
.animate-stagger>*:nth-child(1) {
    animation: fadeInUp 0.5s 0.05s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

.animate-stagger>*:nth-child(2) {
    animation: fadeInUp 0.5s 0.10s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

.animate-stagger>*:nth-child(3) {
    animation: fadeInUp 0.5s 0.15s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

.animate-stagger>*:nth-child(4) {
    animation: fadeInUp 0.5s 0.20s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

.animate-stagger>*:nth-child(5) {
    animation: fadeInUp 0.5s 0.25s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

.animate-stagger>*:nth-child(6) {
    animation: fadeInUp 0.5s 0.30s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

.animate-stagger>*:nth-child(n+7) {
    animation: fadeInUp 0.5s 0.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

/* Slide-in from left (sidebar panels) */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

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

.animate-slide-left {
    animation: slideInLeft 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Scale-in (modals, cards appearing) */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.94);
    }

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

.animate-scale-in {
    animation: scaleIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Pulse glow for active/selected elements */
@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 0 0 var(--primary-glow);
    }

    50% {
        box-shadow: 0 0 0 8px transparent;
    }
}

.animate-pulse-glow {
    animation: pulseGlow 2s ease infinite;
}

/* Skeleton Shimmer */
.skeleton {
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0.03) 25%,
            rgba(255, 255, 255, 0.08) 37%,
            rgba(255, 255, 255, 0.03) 63%);
    background-size: 400% 100%;
    animation: skeleton-loading 1.4s ease infinite;
    border-radius: var(--radius-sm);
    color: transparent !important;
    pointer-events: none;
    user-select: none;
}

[data-theme="light"] .skeleton {
    background: linear-gradient(90deg,
            rgba(0, 0, 0, 0.03) 25%,
            rgba(0, 0, 0, 0.08) 37%,
            rgba(0, 0, 0, 0.03) 63%);
    background-size: 400% 100%;
}

@keyframes skeleton-loading {
    0% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Empty State Polish */
.empty-state-illust {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
    opacity: 0.6;
}

.empty-state-illust i {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--text-muted), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---- Shared Settings Input System ---- */
.input-container {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.settings-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0.6rem;
}

.settings-input {
    width: 100%;
    padding: 0.9rem 1.25rem;
    background: hsla(222, 47%, 5%, 0.35);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 0.9rem;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 0;
}

.settings-input:focus {
    outline: none;
    border-color: var(--primary);
    background: hsla(222, 47%, 8%, 0.55);
    box-shadow: 0 0 0 4px hsla(var(--p-h), var(--p-s), var(--p-l), 0.12);
}

/* Light mode overrides for settings inputs */
[data-theme="light"] .settings-input,
:root:not([data-theme="dark"]) .settings-input {
    background: hsla(220, 20%, 97%, 0.8);
}

/* ---- Modern Search Box ---- */
.search-box-modern {
    position: relative;
    min-width: 260px;
}

.search-box-modern i {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.search-box-modern input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    background: hsla(222, 47%, 5%, 0.4);
    border: 1px solid var(--border);
    border-radius: 0.85rem;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
    margin-bottom: 0;
}

.search-box-modern input:focus {
    outline: none;
    border-color: var(--primary);
    background: hsla(222, 47%, 8%, 0.6);
    box-shadow: 0 0 0 4px hsla(var(--p-h), var(--p-s), var(--p-l), 0.12);
}

.search-box-modern input:focus+i,
.search-box-modern input:focus~i,
.search-box-modern:focus-within i {
    color: var(--primary);
}

/* ---- Stat Card Modern (Phase 3) ---- */
.stat-card-modern {
    padding: 1.75rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card-modern:hover {
    transform: translateY(-5px);
    border-color: var(--accent, var(--primary-glow));
    box-shadow: 0 12px 32px hsla(0, 0%, 0%, 0.18);
}

.stat-icon-modern {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: hsla(222, 47%, 12%, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent, var(--primary));
    border: 1px solid var(--border);
    flex-shrink: 0;
    transition: all 0.3s;
}

.stat-card-modern:hover .stat-icon-modern {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 4px 20px hsla(var(--p-h), var(--p-s), var(--p-l), 0.25);
}

.stat-info-modern {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.stat-info-modern .stat-label {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0;
}

.stat-info-modern .stat-value {
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1;
    color: var(--text-main);
}

/* ---- Empty State ---- */
.empty-icon-ring {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    border: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-size: 2.5rem;
    color: var(--text-muted);
    opacity: 0.4;
    animation: rotateSlow 30s linear infinite;
}

@keyframes rotateSlow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ---- Signal Toggles (Notifications) ---- */
.signal-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    background: hsla(222, 47%, 8%, 0.3);
    border: 1px solid var(--border);
    border-radius: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.signal-item:hover {
    background: hsla(222, 47%, 12%, 0.5);
    border-color: var(--primary-glow);
    transform: translateX(4px);
}

.signal-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ---- Toggle Switch ---- */
.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    margin: 0;
    position: absolute;
}

.toggle-track {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 100px;
    cursor: pointer;
    transition: background 0.3s;
    border: 1px solid var(--border);
}

.toggle-track::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    top: 3px;
    left: 3px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked~.toggle-track {
    background: var(--primary);
    border-color: var(--primary);
}

.toggle-switch input:checked~.toggle-track::after {
    transform: translateX(24px);
}

/* ---- Interactive Card Lift ---- */
.card-lift {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.card-lift:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.2);
    border-color: var(--primary-glow);
}

/* ---- Scroll-Triggered Fade ---- */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Global Button Micro-interaction ---- */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.15);
    opacity: 0;
    transition: opacity 0.2s;
    border-radius: inherit;
}

.btn:active::after {
    opacity: 1;
}

/* ---- Skeleton Loading ---- */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg,
            var(--bg-card) 25%,
            hsla(222, 47%, 15%, 0.5) 50%,
            var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.8s infinite;
    border-radius: var(--radius-sm);
}

/* ---- Notification Badge Pulse ---- */
.badge-pulse {
    position: relative;
}

.badge-pulse::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    background: var(--primary);
    opacity: 0;
    animation: pulseBadge 2.5s ease infinite;
    z-index: -1;
}

@keyframes pulseBadge {

    0%,
    100% {
        transform: scale(1);
        opacity: 0;
    }

    50% {
        transform: scale(1.4);
        opacity: 0.25;
    }
}

/* ---- Focus-visible global ring ---- */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* ---- Scroll reveal utility (JS hook) ---- */
[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   B2: DARK / LIGHT MODE CROSS-FADE TRANSITION
   ============================================================ */

/* Apply smooth transitions on theme vars for all elements.
   We exclude 'transform' & 'opacity' to avoid fighting with
   animation keyframes, and use will-change hint only on body. */
body {
    will-change: background-color, color;
}

[data-theme-transitioning],
[data-theme-transitioning] *,
[data-theme-transitioning] *::before,
[data-theme-transitioning] *::after {
    transition:
        background-color 0.45s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.45s cubic-bezier(0.4, 0, 0.2, 1),
        color 0.4s ease,
        box-shadow 0.45s ease !important;
}

/* Theme toggle button — FA icon version */
#theme-toggle {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
}

#theme-toggle .theme-icon-wrap {
    position: relative;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-toggle .ti-moon,
#theme-toggle .ti-sun {
    position: absolute;
    font-size: 1rem;
    transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#theme-toggle .ti-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
    color: #a5b4fc;
}

#theme-toggle .ti-sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
    color: #fbbf24;
}

[data-theme="dark"] #theme-toggle .ti-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] #theme-toggle .ti-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Spin animation on click */
@keyframes themeSpin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

#theme-toggle.spinning .theme-icon-wrap {
    animation: themeSpin 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   B1: RESPONSIVE / MOBILE PASS  (≤ 768px)
   ============================================================ */

/* -- Sidebar overlay backdrop -- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    z-index: 2999;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.sidebar-open .sidebar-overlay {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {

    /* Show hamburger toggle button */
    #sidebar-toggle {
        display: flex !important;
    }

    /* Sidebar hidden off-screen on mobile */
    .sidebar {
        transform: translateX(-100%) !important;
        z-index: 3000 !important;
    }

    /* Sidebar slides in when open */
    .sidebar-open .sidebar {
        transform: translateX(0) !important;
        box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
    }

    /* No left margin on mobile */
    .main-content {
        margin-left: 0 !important;
        padding-top: 0 !important;
    }

    /* Header: tighter padding, wrap if needed */
    .top-header {
        padding: 0 1rem !important;
        height: auto !important;
        min-height: var(--header-height);
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1.5rem !important;
    }

    /* Collapse search bar on mobile — show icon only, expand on focus */
    #global-search-wrap {
        width: 160px !important;
        transition: width 0.3s ease;
    }

    #global-search-wrap:focus-within {
        width: 260px !important;
    }

    /* Quick action — hide text label, icon only */
    .top-header .btn-primary span.qa-label {
        display: none;
    }

    /* Tighter container padding */
    .container {
        padding: 1rem !important;
    }

    /* Stack command-header flex rows */
    [class*="command-header"],
    .page-header-row {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1rem !important;
    }

    /* All grid variants → single column */
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr !important;
    }

    /* Stat cards: slightly reduced padding */
    .stat-card-modern {
        padding: 1.25rem 1.5rem;
        gap: 1rem;
    }

    .stat-info-modern .stat-value {
        font-size: 1.75rem !important;
    }

    /* h1 font size floor on very small screens */
    h1 {
        font-size: clamp(1.4rem, 5vw, 2rem) !important;
    }

    /* Attendance button: shrink on mobile */
    #attendance-text {
        display: none;
    }

    /* Notification drawer: full width on mobile */
    #notif-drawer {
        width: calc(100vw - 2rem) !important;
        right: -1rem !important;
    }

    /* Global search results: full width */
    #gs-results {
        width: calc(100vw - 2rem) !important;
        max-width: none !important;
    }

    /* Cards: reduce padding */
    .card {
        padding: 1.25rem !important;
    }

    /* Tables: allow horizontal scroll */
    .table-responsive-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ============================================================
   B2: SMOOTH THEME TRANSITION ANIMATION
   Applies a 400ms cross-fade to all colour-carrying surfaces
   so the dark ↔ light switch feels polished, not jarring.
   ============================================================ */

/* Opt every element into colour transitions (NOT layout props) */
*,
*::before,
*::after {
    transition-property: background-color, border-color, color, fill, stroke, box-shadow, opacity;
    transition-duration: 0.4s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Exempt elements where transitions would hurt performance or UX */
*[class*="animate-"],
.kanban-task,
.sidebar-nav-item,
button,
a,
input,
select,
textarea,
.modal-overlay,
.modal {
    /* Keep their own more specific / shorter transitions */
    transition-property: background-color, border-color, color, opacity, transform, box-shadow;
    transition-duration: 0.2s;
}

/* ── Theme Toggle Button ── */
#theme-toggle {
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--border);
    background: hsla(var(--h), 20%, 90%, 0.15);
    transition: background 0.3s, border-color 0.3s, transform 0.3s !important;
}

#theme-toggle:hover {
    background: hsla(var(--p-h), var(--p-s), var(--p-l), 0.1);
    border-color: var(--primary-glow);
    transform: scale(1.1);
}

/* Icon container */
.theme-icon-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* Both icons stacked; only the contextual one shows */
.theme-icon-wrap .ti-moon,
.theme-icon-wrap .ti-sun {
    position: absolute;
    font-size: 1rem;
    transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Light mode → show moon */
:root:not([data-theme="dark"]) .ti-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

:root:not([data-theme="dark"]) .ti-sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

/* Dark mode → show sun */
[data-theme="dark"] .ti-moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .ti-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Spin animation fired by JS (class="spinning") */
@keyframes themeSpin {
    0% {
        transform: rotate(0deg) scale(0.8);
    }

    50% {
        transform: rotate(180deg) scale(1.15);
    }

    100% {
        transform: rotate(360deg) scale(1);
    }
}

#theme-toggle.spinning .theme-icon-wrap {
    animation: themeSpin 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ── Full-page colour wash overlay on theme change ── */
/* Triggered by JS: html[data-theme-transitioning] */
[data-theme-transitioning]::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 99999;
    background: var(--bg-main);
    opacity: 0;
    animation: themeWash 0.45s ease forwards;
}

@keyframes themeWash {
    0% {
        opacity: 0.18;
    }

    100% {
        opacity: 0;
    }
}

/* ============================================================
   B1: RESPONSIVE / MOBILE PASS
   ============================================================ */

/* ── Sidebar overlay backdrop ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
    z-index: 2999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-open .sidebar-overlay {
    display: block;
    opacity: 1;
}

/* ── Top header sticky fix on mobile ── */
@media (max-width: 1024px) {
    .top-header {
        position: fixed !important;
        top: 0;
        left: 0;
        right: 0;
        z-index: 2500;
        padding: 0 1.25rem;
    }

    /* Show hamburger toggle button */
    #sidebar-toggle {
        display: flex !important;
    }

    /* Collapse global search on mobile */
    #global-search-wrap {
        width: 200px !important;
    }

    /* Tighten quick action area */
    .top-header .btn-primary span,
    .top-header .btn span {
        display: none;
    }
}

@media (max-width: 640px) {

    /* Fully collapse search on small screens */
    #global-search-wrap {
        width: 140px !important;
    }

    /* Hide attendance widget */
    #attendance-status-widget {
        display: none;
    }

    /* Make modals full-screen on small phones */
    .res-modal-box {
        max-width: 100% !important;
        border-radius: 0 !important;
        height: 100vh;
        overflow-y: auto;
    }
}

/* ── Card-stack tables on mobile ── */
@media (max-width: 640px) {

    /* For tables with class table-stack or inside .table-responsive-wrap */
    .table-responsive-wrap table,
    .table-responsive-wrap thead,
    .table-responsive-wrap tbody,
    .table-responsive-wrap th,
    .table-responsive-wrap td,
    .table-responsive-wrap tr {
        display: block;
    }

    .table-responsive-wrap thead {
        display: none;
        /* Hide header row — labels come from data-label */
    }

    .table-responsive-wrap tbody tr {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        margin-bottom: 0.85rem;
        padding: 0.5rem 0;
    }

    .table-responsive-wrap tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 1rem;
        border: none;
        border-bottom: 1px solid var(--border);
        font-size: 0.875rem;
    }

    .table-responsive-wrap tbody td:last-child {
        border-bottom: none;
    }

    /* Show column label from data-label attr */
    .table-responsive-wrap tbody td::before {
        content: attr(data-label);
        font-size: 0.7rem;
        font-weight: 800;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        flex-shrink: 0;
        margin-right: 1rem;
    }
}

/* ── Kanban: horizontal scroll on small screens ── */
@media (max-width: 900px) {
    .kanban-scroller {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .kanban-grid {
        min-width: 900px !important;
    }
}