/* =============================================================================
   TSTP Field Tech Toolkit — Web Dashboard Stylesheet
   Modern glassmorphic dark dashboard with 3D depth, gradient accents,
   and GPU-accelerated micro-interactions.
   ============================================================================= */

/* =============================================================================
   1. CSS VARIABLES
   ============================================================================= */
:root {
    /* ── Core palette ──────────────────────────────────────────────────────── */
    --bg-color:          #0a0a0f;
    --bg-secondary:      #111118;
    --bg-tertiary:       #1a1a24;
    --card-bg:           #1a1a24;
    --card-bg-hover:     #1f1f2a;
    --border-color:      rgba(255,255,255,0.06);
    --border-focus:      #00cc00;

    /* ── Text ──────────────────────────────────────────────────────────────── */
    --text-color:        #e0e0e8;
    --text-muted:        #707080;
    --text-dim:          #4a4a58;
    --text-inverse:      #000000;

    /* ── Accent / primary ──────────────────────────────────────────────────── */
    --accent-color:      #00ff00;
    --accent-hover:      #00cc00;
    --accent-dim:        rgba(0,255,0,0.08);
    --accent-dim-hover:  rgba(0,255,0,0.14);

    /* ── Accent gradients ──────────────────────────────────────────────────── */
    --accent-gradient:       linear-gradient(135deg, #00ff88, #00cc44, #00ffcc);
    --accent-gradient-text:  linear-gradient(135deg, #00ff88, #00ccff);
    --accent-gradient-subtle: linear-gradient(135deg, rgba(0,255,136,0.15), rgba(0,204,68,0.05));
    --accent-gradient-border: linear-gradient(135deg, rgba(0,255,136,0.3), rgba(0,204,255,0.1));

    /* ── Semantic colours ──────────────────────────────────────────────────── */
    --success-color:     #22c55e;
    --success-bg:        rgba(34,197,94,0.1);
    --warning-color:     #f59e0b;
    --warning-bg:        rgba(245,158,11,0.1);
    --danger-color:      #ef4444;
    --danger-bg:         rgba(239,68,68,0.1);
    --info-color:        #38bdf8;
    --info-bg:           rgba(56,189,248,0.1);

    /* ── Glassmorphism ─────────────────────────────────────────────────────── */
    --glass-bg:          rgba(22,22,32,0.65);
    --glass-bg-heavy:    rgba(22,22,32,0.85);
    --glass-border:      rgba(255,255,255,0.08);
    --glass-border-light: rgba(255,255,255,0.12);
    --glass-blur:        12px;
    --glass-blur-heavy:  20px;

    /* ── Layout ────────────────────────────────────────────────────────────── */
    --sidebar-width:     230px;
    --header-height:     52px;

    /* ── Radius ────────────────────────────────────────────────────────────── */
    --radius-sm:         4px;
    --radius:            8px;
    --radius-lg:         12px;
    --radius-xl:         16px;

    /* ── Shadows — multi-layer depth system ────────────────────────────────── */
    --shadow-sm:         0 1px 3px rgba(0,0,0,0.4);
    --shadow:            0 4px 10px rgba(0,0,0,0.5);
    --shadow-lg:         0 8px 24px rgba(0,0,0,0.6);
    --shadow-glass:      0 4px 30px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.04);
    --shadow-elevated:   0 8px 32px rgba(0,0,0,0.5), 0 2px 8px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05);
    --shadow-float:      0 16px 48px rgba(0,0,0,0.6), 0 4px 16px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.06);
    --shadow-glow-green: 0 0 20px rgba(0,255,100,0.15), 0 0 60px rgba(0,255,100,0.05);
    --shadow-glow-sm:    0 0 10px rgba(0,255,100,0.1);

    /* ── Transitions / easing ──────────────────────────────────────────────── */
    --transition:        all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow:   all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring:       cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-out-expo:     cubic-bezier(0.16, 1, 0.3, 1);

    /* ── Typography ────────────────────────────────────────────────────────── */
    --font-mono:         'Courier New', Courier, monospace;
    --font-sans:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}


/* =============================================================================
   2. RESET & BASE
   ============================================================================= */
*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,255,100,0.03) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0,150,255,0.02) 0%, transparent 70%);
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.75rem;
    line-height: 1.3;
    font-family: var(--font-sans);
    font-weight: 700;
}
p { margin: 0 0 0.75rem; }

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.25rem 0;
}

::selection {
    background: rgba(0,255,100,0.2);
    color: #fff;
}


/* =============================================================================
   3. APP SHELL
   ============================================================================= */
.app-container {
    display: flex;
    flex: 1;
    min-height: calc(100vh - var(--header-height));
}


/* =============================================================================
   4. HEADER
   ============================================================================= */
header {
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border-bottom: 1px solid var(--glass-border);
    padding: 0 1.5rem;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 200;
    box-shadow: var(--shadow-glass), 0 1px 0 rgba(0,255,100,0.06);
}

header .brand {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: var(--accent-gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-sans);
}

.user-info {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.user-info b { color: var(--text-color); }

.logout-link {
    color: var(--danger-color);
    text-decoration: none;
    font-size: 0.78rem;
    padding: 4px 10px;
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    background: transparent;
}
.logout-link:hover {
    background: var(--danger-bg);
    border-color: var(--danger-color);
    color: var(--danger-color);
    text-decoration: none;
    box-shadow: 0 0 12px rgba(239,68,68,0.15);
}


/* =============================================================================
   5. SIDEBAR
   ============================================================================= */
.sidebar {
    width: var(--sidebar-width);
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-right: 1px solid var(--glass-border);
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    position: sticky;
    top: var(--header-height);
    padding: 0.75rem 0 2rem;
    flex-shrink: 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.08) transparent;
    transition: width 0.35s var(--ease-out-expo);
}
.sidebar::-webkit-scrollbar       { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }

/* Sidebar group */
.sidebar-group {
    border-bottom: 1px solid var(--glass-border);
}
.sidebar-group:last-child { border-bottom: none; }

/* Category header */
.sidebar-category {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.7rem 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.62rem;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 1.5px;
    font-weight: 700;
    opacity: 0.85;
    text-align: left;
    transition: var(--transition);
    position: relative;
}
.sidebar-category:hover {
    opacity: 1;
    background: var(--accent-dim);
    text-shadow: 0 0 12px rgba(0,255,100,0.3);
}
.sidebar-category .caret {
    font-size: 0.6rem;
    transition: transform 0.25s var(--ease-spring);
    opacity: 0.7;
}
.sidebar-category[aria-expanded="false"] .caret { transform: rotate(-90deg); }

/* Sidebar list */
.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow: hidden;
    transition: var(--transition-slow);
}

.sidebar a {
    display: block;
    padding: 0.42rem 1.25rem 0.42rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    border-left: 2px solid transparent;
    transition: all 0.2s var(--ease-out-expo);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
}
.sidebar a:hover {
    background-color: var(--accent-dim);
    color: var(--text-color);
    padding-left: 1.75rem;
    text-decoration: none;
}
.sidebar a.active {
    background: linear-gradient(90deg, rgba(0,255,100,0.12) 0%, transparent 100%);
    color: var(--accent-color);
    border-image: var(--accent-gradient) 1;
    border-left-width: 2px;
    border-left-style: solid;
    font-weight: bold;
    text-shadow: 0 0 8px rgba(0,255,100,0.2);
}


/* =============================================================================
   6. MAIN CONTENT
   ============================================================================= */
main {
    flex: 1;
    padding: 1.75rem 2rem;
    max-width: 1280px;
    overflow-x: hidden;
}


/* =============================================================================
   7. PAGE TITLE / BREADCRUMB
   ============================================================================= */
.page-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}
.page-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-color);
    font-family: var(--font-sans);
}
.breadcrumb {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    gap: 0.4rem;
    align-items: center;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-color); text-decoration: none; }
.breadcrumb-sep { color: var(--text-dim); }


/* =============================================================================
   8. CARDS — Glassmorphic with 3D depth
   ============================================================================= */
.card {
    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-lg);
    margin-bottom: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-glass);
    transition: all 0.3s var(--ease-out-expo);
    position: relative;
    will-change: transform, box-shadow;
}
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.01));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--glass-border-light);
}

.card-header {
    padding: 0.8rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
}
.card-header .card-title {
    margin: 0;
    padding: 0;
    border: none;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--accent-color);
    font-family: var(--font-sans);
}

.card-title {
    margin-top: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.6rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
    font-size: 0.95rem;
    font-weight: bold;
    font-family: var(--font-sans);
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--glass-border);
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 100%);
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* card without card-body wrapper — legacy compat */
.card > p, .card > ul, .card > ol, .card > table { padding: 0 1.25rem; }

/* Card section (divider rows inside a card-body) */
.card-section {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}
.card-section:last-child { border-bottom: none; }


/* =============================================================================
   9. GRID HELPERS
   ============================================================================= */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}
.grid.col-2 { grid-template-columns: repeat(2, 1fr); }
.grid.col-3 { grid-template-columns: repeat(3, 1fr); }
.grid.col-4 { grid-template-columns: repeat(4, 1fr); }


/* =============================================================================
   10. STATS
   ============================================================================= */
.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--accent-gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    font-family: var(--font-sans);
}
.stat-label {
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-top: 0.25rem;
}


/* =============================================================================
   11. BUTTONS — Gradient backgrounds with glow hover
   ============================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.2s var(--ease-out-expo);
    white-space: nowrap;
    vertical-align: middle;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
    will-change: transform;
}
.btn:active {
    transform: scale(0.97);
}
.btn:disabled, .btn.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: linear-gradient(135deg, #00dd44, #00aa33);
    color: var(--text-inverse);
    border-color: rgba(0,255,0,0.2);
    box-shadow: 0 2px 8px rgba(0,200,50,0.2);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #00ff55, #00cc44);
    border-color: rgba(0,255,0,0.3);
    color: var(--text-inverse);
    text-decoration: none;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 16px rgba(0,255,50,0.3), 0 0 20px rgba(0,255,50,0.15);
}

.btn-outline-primary {
    background: transparent;
    color: var(--accent-color);
    border-color: rgba(0,255,0,0.3);
}
.btn-outline-primary:hover {
    background: var(--accent-dim);
    color: var(--accent-color);
    text-decoration: none;
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow-sm);
    transform: translateY(-1px) scale(1.02);
}

.btn-outline, .btn-outline-secondary {
    background: transparent;
    color: var(--text-color);
    border-color: var(--glass-border-light);
}
.btn-outline:hover, .btn-outline-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    background: var(--accent-dim);
    box-shadow: var(--shadow-glow-sm);
    transform: translateY(-1px) scale(1.02);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    border-color: rgba(239,68,68,0.3);
    box-shadow: 0 2px 8px rgba(239,68,68,0.2);
}
.btn-danger:hover {
    background: linear-gradient(135deg, #f87171, #ef4444);
    border-color: rgba(239,68,68,0.5);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 16px rgba(239,68,68,0.3), 0 0 20px rgba(239,68,68,0.15);
}

.btn-success {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: var(--text-inverse);
    border-color: rgba(34,197,94,0.3);
    box-shadow: 0 2px 8px rgba(34,197,94,0.2);
}
.btn-success:hover {
    background: linear-gradient(135deg, #4ade80, #22c55e);
    border-color: rgba(34,197,94,0.5);
    text-decoration: none;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 16px rgba(34,197,94,0.3), 0 0 20px rgba(34,197,94,0.15);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: var(--text-inverse);
    border-color: rgba(245,158,11,0.3);
    box-shadow: 0 2px 8px rgba(245,158,11,0.2);
}
.btn-warning:hover {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border-color: rgba(245,158,11,0.5);
    text-decoration: none;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 16px rgba(245,158,11,0.3), 0 0 20px rgba(245,158,11,0.15);
}

.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-color);
    border: 1px solid var(--glass-border-light);
    box-shadow: var(--shadow-glass);
}
.btn-glass:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    transform: translateY(-1px) scale(1.02);
    box-shadow: var(--shadow-glow-sm);
}

.btn-sm  { padding: 0.28rem 0.65rem; font-size: 0.72rem; }
.btn-lg  { padding: 0.6rem 1.4rem; font-size: 0.9rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-icon { padding: 0.35rem 0.5rem; }


/* =============================================================================
   12. FORMS — Glow focus, glass backgrounds
   ============================================================================= */
.form-group { margin-bottom: 1rem; }
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    font-family: var(--font-sans);
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.85rem;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    color: var(--text-color);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius);
    transition: all 0.25s var(--ease-out-expo);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}
.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0,255,0,0.1), 0 0 16px rgba(0,255,0,0.08);
    background: rgba(22,22,32,0.8);
}
.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-color);
}
.form-control::placeholder { color: var(--text-dim); }

textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23707070'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.2rem;
}

.form-text {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.74rem;
    color: var(--text-muted);
}
.form-check { display: flex; align-items: center; gap: 0.5rem; padding: 0.2rem 0; }
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Toggle switch — iOS style */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}
.toggle-switch .slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255,255,255,0.1);
    border-radius: 24px;
    border: 1px solid var(--glass-border-light);
    transition: all 0.3s var(--ease-spring);
}
.toggle-switch .slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    bottom: 2px;
    background: #fff;
    border-radius: 50%;
    transition: all 0.3s var(--ease-spring);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.toggle-switch input:checked + .slider {
    background: linear-gradient(135deg, #00dd44, #00aa33);
    border-color: rgba(0,255,0,0.3);
    box-shadow: 0 0 12px rgba(0,255,0,0.2);
}
.toggle-switch input:checked + .slider::before {
    transform: translateX(20px);
}
.toggle-switch input:focus + .slider {
    box-shadow: 0 0 0 3px rgba(0,255,0,0.15);
}


/* =============================================================================
   13. ALERTS — Glass with colored tint
   ============================================================================= */
.alert {
    padding: 0.8rem 1.1rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    border-left-width: 4px;
    margin-bottom: 1rem;
    font-size: 0.82rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    position: relative;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeInUp 0.35s var(--ease-out-expo) both;
}
.alert .alert-close {
    position: absolute;
    right: 0.75rem;
    top: 0.65rem;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    transition: var(--transition);
}
.alert .alert-close:hover { opacity: 1; transform: scale(1.1); }

.alert-info {
    background: rgba(56,189,248,0.08);
    border-color: var(--info-color);
    color: var(--info-color);
    box-shadow: inset 0 0 20px rgba(56,189,248,0.03);
}
.alert-success {
    background: rgba(34,197,94,0.08);
    border-color: var(--success-color);
    color: var(--success-color);
    box-shadow: inset 0 0 20px rgba(34,197,94,0.03);
}
.alert-warning {
    background: rgba(245,158,11,0.08);
    border-color: var(--warning-color);
    color: var(--warning-color);
    box-shadow: inset 0 0 20px rgba(245,158,11,0.03);
}
.alert-danger {
    background: rgba(239,68,68,0.08);
    border-color: var(--danger-color);
    color: var(--danger-color);
    box-shadow: inset 0 0 20px rgba(239,68,68,0.03);
}


/* =============================================================================
   14. BADGES — Pill shape with gradient + glow
   ============================================================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid;
    font-family: var(--font-sans);
    transition: var(--transition);
}
.badge-success {
    color: var(--success-color);
    border-color: rgba(34,197,94,0.3);
    background: linear-gradient(135deg, rgba(34,197,94,0.15), rgba(34,197,94,0.05));
    box-shadow: 0 0 8px rgba(34,197,94,0.1);
}
.badge-warning {
    color: var(--warning-color);
    border-color: rgba(245,158,11,0.3);
    background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05));
    box-shadow: 0 0 8px rgba(245,158,11,0.1);
}
.badge-danger {
    color: var(--danger-color);
    border-color: rgba(239,68,68,0.3);
    background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(239,68,68,0.05));
    box-shadow: 0 0 8px rgba(239,68,68,0.1);
}
.badge-info {
    color: var(--info-color);
    border-color: rgba(56,189,248,0.3);
    background: linear-gradient(135deg, rgba(56,189,248,0.15), rgba(56,189,248,0.05));
    box-shadow: 0 0 8px rgba(56,189,248,0.1);
}
.badge-accent {
    color: var(--text-inverse);
    border-color: rgba(0,255,0,0.3);
    background: linear-gradient(135deg, #00dd44, #00aa33);
    box-shadow: 0 0 8px rgba(0,255,0,0.15);
}
.badge-muted {
    color: var(--text-muted);
    border-color: var(--glass-border-light);
    background: var(--glass-bg);
}


/* =============================================================================
   15. TABLES — Glass header, hover highlight
   ============================================================================= */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
    font-size: 0.82rem;
}
th, td {
    text-align: left;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
}
thead th {
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--glass-border-light);
    background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 1;
    font-family: var(--font-sans);
}
.table-striped tbody tr:nth-child(even) { background: rgba(255,255,255,0.02); }
.table-striped tbody tr:nth-child(odd)  { background: transparent; }
.table-hover tbody tr:hover {
    background: var(--accent-dim);
    cursor: pointer;
}
.table-hover tbody tr {
    transition: background-color 0.15s ease;
}
tbody tr:last-child td { border-bottom: none; }


/* =============================================================================
   16. CODE / PRE
   ============================================================================= */
code {
    font-family: var(--font-mono);
    font-size: 0.82em;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0.12em 0.45em;
    color: var(--accent-color);
}
pre {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.1rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-color);
    margin: 0 0 1rem;
    box-shadow: var(--shadow-glass);
}


/* =============================================================================
   17. LOADING / SPINNER
   ============================================================================= */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.08);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
}
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

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

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,15,0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    border-radius: inherit;
}


/* =============================================================================
   18. EMPTY STATE
   ============================================================================= */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}
.empty-state .empty-icon {
    font-size: 2.5rem;
    opacity: 0.3;
    margin-bottom: 1rem;
    display: block;
}
.empty-state .empty-title {
    font-size: 0.95rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 0.4rem;
    font-family: var(--font-sans);
}
.empty-state .empty-desc { font-size: 0.8rem; }


/* =============================================================================
   19. TOAST STACK — Glass with slide + scale entrance
   ============================================================================= */
#global-error-container,
#toast-container {
    position: fixed;
    top: calc(var(--header-height) + 12px);
    right: 16px;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
    pointer-events: none;
}
#global-error-container > *, #toast-container > * { pointer-events: all; }

.toast, .error-msg {
    padding: 0.8rem 1.1rem;
    border-radius: var(--radius-lg);
    font-size: 0.82rem;
    box-shadow: var(--shadow-elevated);
    animation: toastSlideIn 0.35s var(--ease-out-expo) both;
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    position: relative;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    overflow: hidden;
}
.toast::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: currentColor;
    opacity: 0.3;
    animation: toastTimer 5s linear forwards;
    width: 100%;
    transform-origin: left;
}
.toast-close {
    position: absolute;
    right: 8px;
    top: 6px;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    font-size: 0.9rem;
    padding: 0;
    transition: var(--transition);
}
.toast-close:hover { opacity: 1; transform: scale(1.15); }

/* Toast variants */
.toast-error, .error-msg {
    background: rgba(30,8,8,0.85);
    border-color: var(--danger-color);
    color: #fca5a5;
}
.toast-success {
    background: rgba(6,25,14,0.85);
    border-color: var(--success-color);
    color: #86efac;
}
.toast-warning {
    background: rgba(28,20,4,0.85);
    border-color: var(--warning-color);
    color: #fde68a;
}
.toast-info {
    background: rgba(4,18,32,0.85);
    border-color: var(--info-color);
    color: #7dd3fc;
}


/* =============================================================================
   20. PROGRESS BAR
   ============================================================================= */
.progress {
    height: 8px;
    background: var(--glass-bg);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}
.progress-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width 0.4s var(--ease-out-expo);
    position: relative;
}
.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
}
.progress-bar.danger  { background: linear-gradient(135deg, #ef4444, #dc2626); }
.progress-bar.warning { background: linear-gradient(135deg, #f59e0b, #d97706); }
.progress-bar.success { background: linear-gradient(135deg, #22c55e, #16a34a); }


/* =============================================================================
   21. NEW COMPONENTS
   ============================================================================= */

/* ── Glass panel — reusable glass container ────────────────────────────────── */
.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-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-glass);
    position: relative;
}
.glass-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.06), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* ── Stat card — icon, value, label, trend ─────────────────────────────────── */
.stat-card {
    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-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-glass);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all 0.3s var(--ease-out-expo);
    will-change: transform;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.06), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevated);
}
.stat-card .stat-icon {
    font-size: 1.5rem;
    opacity: 0.7;
    margin-bottom: 0.25rem;
}
.stat-card .stat-value {
    font-size: 1.6rem;
}
.stat-card .stat-trend {
    font-size: 0.72rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.stat-card .stat-trend.up   { color: var(--success-color); }
.stat-card .stat-trend.down { color: var(--danger-color); }

/* ── Tab card — card for tab config items ──────────────────────────────────── */
.tab-card {
    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-lg);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transition: all 0.25s var(--ease-out-expo);
    will-change: transform;
}
.tab-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.tab-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--glass-border-light);
}
.tab-card .tab-card-info {
    flex: 1;
    min-width: 0;
}
.tab-card .tab-card-name {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text-color);
    margin-bottom: 0.15rem;
    font-family: var(--font-sans);
}
.tab-card .tab-card-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.tab-card .tab-card-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ── Section divider ───────────────────────────────────────────────────────── */
.section-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    font-family: var(--font-sans);
}
.section-divider::before,
.section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--glass-border-light), transparent);
}
.section-divider::after {
    background: linear-gradient(90deg, transparent, var(--glass-border-light));
}

/* ── Icon badge — circular icon container ──────────────────────────────────── */
.icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-light);
    font-size: 1.1rem;
    color: var(--accent-color);
    box-shadow: 0 0 12px rgba(0,255,100,0.08);
    transition: var(--transition);
    flex-shrink: 0;
}
.icon-badge:hover {
    box-shadow: var(--shadow-glow-sm);
    transform: scale(1.05);
}
.icon-badge.sm { width: 28px; height: 28px; font-size: 0.8rem; }
.icon-badge.lg { width: 52px; height: 52px; font-size: 1.5rem; }

/* ── Search input ──────────────────────────────────────────────────────────── */
.search-input {
    position: relative;
    display: flex;
    align-items: center;
}
.search-input input {
    width: 100%;
    padding: 0.5rem 0.85rem 0.5rem 2.4rem;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    color: var(--text-color);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius);
    transition: all 0.25s var(--ease-out-expo);
    outline: none;
}
.search-input input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0,255,0,0.1), 0 0 16px rgba(0,255,0,0.08);
    background: rgba(22,22,32,0.8);
}
.search-input input::placeholder { color: var(--text-dim); }
.search-input::before {
    content: '\1F50D';
    position: absolute;
    left: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    pointer-events: none;
    z-index: 1;
}

/* ── Chip / chip group ─────────────────────────────────────────────────────── */
.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-sans);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-light);
    color: var(--text-color);
    transition: var(--transition);
    cursor: default;
}
.chip:hover {
    border-color: var(--accent-color);
    background: var(--accent-dim);
}
.chip .chip-remove {
    cursor: pointer;
    opacity: 0.5;
    font-size: 0.65rem;
    margin-left: 0.15rem;
    transition: var(--transition);
}
.chip .chip-remove:hover { opacity: 1; color: var(--danger-color); }
.chip.active {
    background: var(--accent-dim-hover);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* ── Modal — glass overlay ─────────────────────────────────────────────────── */
.modal-glass {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: fadeIn 0.2s ease both;
    padding: 1rem;
}
.modal-glass .modal-content {
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-float);
    max-width: 560px;
    width: 100%;
    animation: scaleIn 0.3s var(--ease-out-expo) both;
    overflow: hidden;
}
.modal-glass .modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, rgba(255,255,255,0.03), transparent);
}
.modal-glass .modal-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-color);
}
.modal-glass .modal-body {
    padding: 1.25rem;
}
.modal-glass .modal-footer {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ── Action bar — floating bottom bar ──────────────────────────────────────── */
.action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
    position: sticky;
    bottom: 1rem;
    z-index: 50;
    animation: fadeInUp 0.3s var(--ease-out-expo) both;
}
.action-bar .action-bar-info {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.action-bar .action-bar-actions {
    display: flex;
    gap: 0.5rem;
}

/* ── Status dot — animated indicator ───────────────────────────────────────── */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.status-dot.online  { background: var(--success-color); box-shadow: 0 0 6px rgba(34,197,94,0.4); animation: glowPulse-success 2s ease-in-out infinite; }
.status-dot.offline { background: var(--danger-color);  box-shadow: 0 0 6px rgba(239,68,68,0.3); }
.status-dot.warning { background: var(--warning-color); box-shadow: 0 0 6px rgba(245,158,11,0.3); animation: glowPulse-warning 2s ease-in-out infinite; }
.status-dot.idle    { background: var(--text-dim); }


/* =============================================================================
   22. UTILITY CLASSES
   ============================================================================= */

/* ── Text colours ──────────────────────────────────────────────────────────── */
.text-muted   { color: var(--text-muted) !important; }
.text-accent  { color: var(--accent-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger  { color: var(--danger-color) !important; }
.text-info    { color: var(--info-color) !important; }

/* ── Text size / style ─────────────────────────────────────────────────────── */
.text-sm  { font-size: 0.78rem !important; }
.text-lg  { font-size: 1rem !important; }
.text-xl  { font-size: 1.2rem !important; }
.text-mono { font-family: var(--font-mono) !important; }
.text-bold { font-weight: bold !important; }

/* ── Spacing ───────────────────────────────────────────────────────────────── */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.p-0  { padding: 0 !important; }
.p-1  { padding: 0.5rem !important; }

/* ── Flex ──────────────────────────────────────────────────────────────────── */
.d-flex         { display: flex !important; }
.d-inline-flex  { display: inline-flex !important; }
.align-center   { align-items: center !important; }
.justify-between { justify-content: space-between !important; }
.gap-1 { gap: 0.5rem !important; }
.gap-2 { gap: 1rem !important; }
.flex-wrap { flex-wrap: wrap !important; }

/* ── Misc ──────────────────────────────────────────────────────────────────── */
.w-100 { width: 100% !important; }
.hidden { display: none !important; }

/* ── NEW: hover lift effect ────────────────────────────────────────────────── */
.hover-lift {
    transition: all 0.3s var(--ease-out-expo);
    will-change: transform;
}
.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevated);
}

/* ── NEW: glow border ──────────────────────────────────────────────────────── */
.glow-border {
    position: relative;
}
.glow-border::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: var(--accent-gradient-border);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.6;
    animation: glowPulse 3s ease-in-out infinite;
}

/* ── NEW: gradient text ────────────────────────────────────────────────────── */
.gradient-text {
    background: var(--accent-gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* =============================================================================
   23. FOOTER
   ============================================================================= */
footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.74rem;
    border-top: 1px solid var(--glass-border);
    background: var(--glass-bg-heavy);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}


/* =============================================================================
   24. SCROLLBARS
   ============================================================================= */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }
* { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.08) transparent; }


/* =============================================================================
   25. KEYFRAME ANIMATIONS
   ============================================================================= */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 5px rgba(0,255,0,0.2); }
    50%      { box-shadow: 0 0 20px rgba(0,255,0,0.4); }
}
@keyframes glowPulse-success {
    0%, 100% { box-shadow: 0 0 4px rgba(34,197,94,0.3); }
    50%      { box-shadow: 0 0 10px rgba(34,197,94,0.6); }
}
@keyframes glowPulse-warning {
    0%, 100% { box-shadow: 0 0 4px rgba(245,158,11,0.3); }
    50%      { box-shadow: 0 0 10px rgba(245,158,11,0.6); }
}
@keyframes shimmer {
    from { background-position: -200% 0; }
    to   { background-position: 200% 0; }
}
@keyframes toastSlideIn {
    from { transform: translateX(110%) scale(0.95); opacity: 0; }
    to   { transform: translateX(0) scale(1);       opacity: 1; }
}
@keyframes toastTimer {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
}
@keyframes slideInRight {
    from { transform: translateX(110%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}


/* =============================================================================
   26. RESPONSIVE — 768px
   ============================================================================= */
@media (max-width: 768px) {
    .sidebar {
        width: 44px;
        overflow-x: hidden;
        transition: width 0.35s var(--ease-out-expo);
    }
    .sidebar-category span.label { display: none; }
    .sidebar a {
        padding-left: 0;
        padding-right: 0;
        justify-content: center;
        font-size: 0;
    }
    .sidebar a::before { font-size: 1rem; }

    main { padding: 1rem; }

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

    #global-error-container,
    #toast-container { left: 8px; right: 8px; max-width: unset; }

    .modal-glass .modal-content {
        max-width: 100%;
        border-radius: var(--radius-lg);
    }

    .action-bar {
        flex-direction: column;
        text-align: center;
    }
}


/* =============================================================================
   27. RESPONSIVE — 480px
   ============================================================================= */
@media (max-width: 480px) {
    header { padding: 0 0.75rem; }
    .user-info .logout-link { display: none; }
    main { padding: 0.75rem; }

    .card {
        border-radius: var(--radius);
    }

    .stat-card .stat-value {
        font-size: 1.3rem;
    }
}