/* ============================================================================
   LAPTOP PRICING — DESIGN SYSTEM
   Foundation layer: tokens, reset, typography and UI primitives.
   Brand: the house navy blue (#1e3c72 → #2a5298), refined, with a violet accent.
   Supports light + dark themes and LTR + RTL via logical properties.
   ========================================================================== */

/* ----------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root {
    /* Brand ramp — built around the existing corporate navy */
    --brand-50: #eef3fc;
    --brand-100: #d8e3f7;
    --brand-200: #b3c8ee;
    --brand-300: #85a6e1;
    --brand-400: #5b8ad6;
    --brand-500: #3866b8;
    --brand-600: #2a5298;
    /* legacy brand */
    --brand-700: #1e3c72;
    /* legacy brand */
    --brand-800: #16305e;
    --brand-900: #0d1f45;

    /* Violet accent — used sparingly for emphasis and primary actions */
    --accent-300: #b9a5fb;
    --accent-400: #9b7ef7;
    --accent-500: #7c5cf0;
    --accent-600: #6544d8;

    /* Semantic */
    --success-50: #e7f8f1;
    --success-500: #0e9f6e;
    --success-600: #057a55;
    --danger-50: #fdecec;
    --danger-500: #e02424;
    --danger-600: #c81e1e;
    --warning-50: #fdf6e3;
    --warning-500: #d97706;
    --warning-600: #b45309;
    --info-50: #e8f2fe;
    --info-500: #2f7fe0;

    /* Surfaces — light theme */
    --bg: #f4f6fb;
    --bg-tint: radial-gradient(1200px 600px at 12% -10%, #e6edfb 0%, transparent 60%),
        radial-gradient(900px 500px at 100% 0%, #efe9fd 0%, transparent 55%);
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #f1f5f9;
    --surface-inset: #f8fafc;
    --overlay: rgba(13, 31, 69, 0.55);

    /* Text */
    --text: #0f172a;
    --text-2: #475569;
    --text-3: #8496ae;
    --text-on-brand: #ffffff;

    /* Lines */
    --border: #e3e9f3;
    --border-strong: #cfd9e8;
    --ring: rgba(42, 82, 152, 0.35);

    /* Elevation */
    --shadow-xs: 0 1px 2px rgba(15, 31, 69, 0.06);
    --shadow-sm: 0 2px 6px rgba(15, 31, 69, 0.06), 0 1px 2px rgba(15, 31, 69, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 31, 69, 0.08), 0 2px 6px rgba(15, 31, 69, 0.04);
    --shadow-lg: 0 20px 45px rgba(15, 31, 69, 0.12), 0 6px 14px rgba(15, 31, 69, 0.06);
    --shadow-xl: 0 32px 70px rgba(15, 31, 69, 0.18);
    --shadow-brand: 0 10px 26px rgba(42, 82, 152, 0.28);

    /* Gradients */
    --grad-brand: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    --grad-brand-vivid: linear-gradient(135deg, #16305e 0%, #3866b8 55%, #7c5cf0 100%);
    --grad-accent: linear-gradient(135deg, #7c5cf0 0%, #5b8ad6 100%);
    --grad-success: linear-gradient(135deg, #0e9f6e 0%, #057a55 100%);
    --grad-danger: linear-gradient(135deg, #e02424 0%, #c81e1e 100%);
    --grad-sheen: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.5) 50%, transparent 80%);

    /* Radii */
    --r-xs: 6px;
    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 18px;
    --r-xl: 24px;
    --r-2xl: 32px;
    --r-pill: 999px;

    /* Spacing scale */
    --s-1: 4px;
    --s-2: 8px;
    --s-3: 12px;
    --s-4: 16px;
    --s-5: 20px;
    --s-6: 24px;
    --s-8: 32px;
    --s-10: 40px;
    --s-12: 48px;
    --s-16: 64px;

    /* Layout */
    --sidebar-w: 252px;
    --sidebar-rail: 76px;
    --topbar-h: 68px;
    --contextbar-h: 62px;
    --content-max: 1600px;

    /* Motion */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --t-fast: 140ms;
    --t: 220ms;
    --t-slow: 380ms;

    /* Type */
    --font-sans: 'Inter', 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-display: 'Outfit', 'Inter', 'Cairo', sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Courier New', monospace;
}

[data-theme="dark"] {
    --bg: #080d1a;
    --bg-tint: radial-gradient(1200px 600px at 12% -10%, #101c39 0%, transparent 60%),
        radial-gradient(900px 500px at 100% 0%, #1a1440 0%, transparent 55%);
    --surface: #101728;
    --surface-2: #151e33;
    --surface-3: #1b263f;
    --surface-inset: #0c1322;
    --overlay: rgba(3, 7, 18, 0.72);

    --text: #e8eefb;
    --text-2: #a3b1cc;
    --text-3: #6e7e9c;

    --border: #22304e;
    --border-strong: #2f4066;
    --ring: rgba(91, 138, 214, 0.5);

    --brand-50: #17223d;
    --brand-100: #1c2b4d;
    --brand-600: #4d80d8;
    --brand-700: #6d9ceb;

    --success-50: #0d2b21;
    --danger-50: #2d1418;
    --warning-50: #2b2210;
    --info-50: #101f36;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 24px 50px rgba(0, 0, 0, 0.55);
    --shadow-xl: 0 36px 80px rgba(0, 0, 0, 0.65);
    --shadow-brand: 0 10px 26px rgba(37, 74, 143, 0.45);

    --grad-brand: linear-gradient(135deg, #24427c 0%, #3767b5 100%);
    --grad-brand-vivid: linear-gradient(135deg, #1d356a 0%, #3767b5 55%, #7c5cf0 100%);
    --grad-sheen: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.09) 50%, transparent 80%);
}

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

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    background-image: var(--bg-tint);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
}

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

/* Safety net: an SVG with a viewBox but no width/height attribute defaults to
   100% of its container. Scripts inject icons like that, which made them render
   enormous. Only class-less SVGs are targeted, so CSS-sized icons keep their
   own dimensions. */
svg:not([width]):not([height]):not([class]) {
    width: 1.1em;
    height: 1.1em;
    flex: 0 0 auto;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

a {
    color: var(--brand-600);
    text-decoration: none;
    transition: color var(--t-fast) var(--ease);
}

a:hover {
    color: var(--brand-500);
}

ul,
ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    width: 100%;
}

hr {
    border: none;
    border-top: 1px solid var(--border);
}

::selection {
    background: var(--brand-200);
    color: var(--brand-900);
}

[data-theme="dark"] ::selection {
    background: var(--brand-800);
    color: #fff;
}

/* Typography ---------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--text);
}

h1 {
    font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.5rem);
}

h2 {
    font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem);
}

h3 {
    font-size: 1.15rem;
}

h4 {
    font-size: 1rem;
}

p {
    color: var(--text-2);
}

small {
    font-size: 0.82rem;
}

code,
kbd {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

kbd {
    background: var(--surface-3);
    border: 1px solid var(--border);
    border-radius: var(--r-xs);
    padding: 2px 6px;
    font-size: 0.75rem;
    color: var(--text-2);
}

.num,
.tabular {
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum' 1;
}

/* Focus --------------------------------------------------------------------- */
:focus {
    outline: none;
}

:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
    border-radius: var(--r-xs);
}

/* Scrollbars ---------------------------------------------------------------- */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--r-pill);
    border: 2px solid transparent;
    background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-3);
    background-clip: content-box;
}

/* ----------------------------------------------------------------------------
   3. BUTTONS
   -------------------------------------------------------------------------- */
.btn,
.btn-primary,
.btn-secondary,
.btn-success,
.btn-danger,
.btn-save,
.btn-clear,
.auth-btn,
.cta-btn,
.cta-button,
.control-btn,
.action-btn,
.action-bar-btn,
.header-action-btn,
.btn-small,
.btn-sm,
.premium-search-button,
.clear-btn,
.filter-btn,
.copy-btn,
.btn-view-modern,
.btn-delete-modern,
.btn-edit,
.btn-delete,
.btn-promote,
.btn-export,
.btn-suggest,
.close-results-btn,
.clear-filter-btn,
.back-to-source-btn,
.stop-translate-btn,
.translate-btn,
.row-search-btn,
.sort-btn,
.add-row-btn,
.delete-table-btn {
    --btn-bg: var(--surface);
    --btn-fg: var(--text);
    --btn-border: var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    padding: 11px 18px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--btn-fg);
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    border-radius: var(--r-md);
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: transform var(--t-fast) var(--ease),
        box-shadow var(--t) var(--ease),
        background-color var(--t-fast) var(--ease),
        border-color var(--t-fast) var(--ease),
        color var(--t-fast) var(--ease),
        opacity var(--t-fast) var(--ease);
}

.btn:hover,
.btn-primary:hover,
.btn-secondary:hover,
.btn-success:hover,
.btn-danger:hover,
.cta-button:hover,
.action-bar-btn:hover,
.header-action-btn:hover,
.auth-btn:hover,
.cta-btn:hover,
.control-btn:hover,
.action-btn:hover,
.btn-small:hover,
.filter-btn:hover,
.copy-btn:hover,
.btn-view-modern:hover,
.btn-edit:hover,
.sort-btn:hover,
.add-row-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active,
.btn-primary:active,
.btn-secondary:active,
.btn-success:active,
.btn-danger:active,
.auth-btn:active,
.cta-btn:active,
.control-btn:active,
.action-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}

.btn:disabled,
.auth-btn:disabled,
.cta-btn:disabled,
.control-btn:disabled,
button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Primary */
.btn,
.btn-primary,
.primary-cta,
.premium-search-button,
.cta-btn.primary-cta {
    --btn-bg: var(--grad-brand);
    --btn-fg: #fff;
    --btn-border: transparent;
    box-shadow: var(--shadow-brand);
    position: relative;
    overflow: hidden;
}

.btn::after,
.btn-primary::after,
.premium-search-button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-sheen);
    transform: translateX(-120%);
    transition: transform var(--t-slow) var(--ease-out);
    pointer-events: none;
}

.btn:hover::after,
.btn-primary:hover::after,
.premium-search-button:hover::after {
    transform: translateX(120%);
}

/* Secondary / ghost */
.btn-secondary,
.secondary-cta,
.control-btn,
.btn-small,
.clear-btn,
.filter-btn,
.copy-btn,
.close-results-btn,
.clear-filter-btn,
.sort-btn,
.add-row-btn,
.btn-view-modern {
    --btn-bg: var(--surface);
    --btn-fg: var(--text-2);
    --btn-border: var(--border);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover,
.secondary-cta:hover,
.control-btn:hover,
.btn-small:hover,
.filter-btn:hover,
.sort-btn:hover,
.add-row-btn:hover,
.btn-view-modern:hover {
    --btn-bg: var(--brand-50);
    --btn-fg: var(--brand-700);
    --btn-border: var(--brand-200);
}

/* Status variants */
.btn-success,
.btn-promote {
    --btn-bg: var(--grad-success);
    --btn-fg: #fff;
    --btn-border: transparent;
    box-shadow: 0 8px 20px rgba(14, 159, 110, 0.28);
}

.btn-danger,
.btn-delete,
.btn-delete-modern,
.delete-table-btn {
    --btn-bg: var(--danger-50);
    --btn-fg: var(--danger-500);
    --btn-border: transparent;
}

.btn-danger:hover,
.btn-delete:hover,
.btn-delete-modern:hover,
.delete-table-btn:hover {
    --btn-bg: var(--grad-danger);
    --btn-fg: #fff;
    box-shadow: 0 8px 20px rgba(224, 36, 36, 0.3);
    transform: translateY(-2px);
}

.btn-export,
.btn-suggest {
    --btn-bg: var(--accent-500);
    --btn-fg: #fff;
    --btn-border: transparent;
}

/* Sizes */
.btn-sm,
.btn-small,
.control-btn,
.copy-btn,
.filter-btn {
    padding: 8px 14px;
    font-size: 0.82rem;
    border-radius: var(--r-sm);
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1rem;
    border-radius: var(--r-lg);
}

.btn-icon,
.delete-table-btn,
.row-search-btn {
    padding: 8px;
    width: 36px;
    height: 36px;
    border-radius: var(--r-sm);
    flex: 0 0 auto;
}

.btn .icon,
.control-btn .icon,
.action-btn .icon {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
}

/* Button spinner */
.btn-spinner,
.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ds-spin 0.7s linear infinite;
    display: inline-block;
}

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

/* ----------------------------------------------------------------------------
   4. FORM CONTROLS
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="date"],
select,
textarea,
.premium-input,
.sort-select,
.search-box input {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.92rem;
    color: var(--text);
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    transition: border-color var(--t-fast) var(--ease),
        box-shadow var(--t-fast) var(--ease),
        background-color var(--t-fast) var(--ease);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-3);
}

input:hover:not(:disabled),
select:hover:not(:disabled),
textarea:hover:not(:disabled) {
    border-color: var(--border-strong);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--brand-500);
    box-shadow: 0 0 0 4px var(--ring);
    outline: none;
}

input:disabled,
select:disabled,
textarea:disabled {
    background: var(--surface-3);
    color: var(--text-3);
    cursor: not-allowed;
}

textarea {
    resize: vertical;
    min-height: 96px;
    line-height: 1.6;
}

select,
.sort-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238496ae' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-inline-end: 38px;
    cursor: pointer;
}

[dir="rtl"] select,
[dir="rtl"] .sort-select {
    background-position: left 12px center;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
    margin-bottom: var(--s-4);
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-2);
}

.input-error,
input.error {
    border-color: var(--danger-500) !important;
    box-shadow: 0 0 0 4px rgba(224, 36, 36, 0.14) !important;
}

.validation-message,
.error-message {
    display: none;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--danger-500);
}

.validation-message.show,
.error-message.show,
.validation-message[style*="block"] {
    display: block;
}

/* Checkbox */
input[type="checkbox"],
.checkbox-modern,
.session-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-600);
    cursor: pointer;
}

/* Toggle switch (table enable/disable) */
.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 46px;
    height: 26px;
    flex: 0 0 auto;
    cursor: pointer;
}

.toggle-switch input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
    z-index: 2;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border-strong);
    border-radius: var(--r-pill);
    transition: background-color var(--t) var(--ease);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    inset-inline-start: 3px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--t) var(--ease-spring);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--grad-brand);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(20px);
}

[dir="rtl"] .toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(-20px);
}

.toggle-switch input:focus-visible+.toggle-slider {
    box-shadow: 0 0 0 4px var(--ring);
}

/* ----------------------------------------------------------------------------
   5. BADGES & PILLS
   -------------------------------------------------------------------------- */
.table-badge,
.admin-badge,
.branch-status,
.profile-item-badge,
.notification-action-type,
.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-2);
    background: var(--surface-3);
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
    white-space: nowrap;
}

.quantity-total-badge {
    color: var(--brand-700);
    background: var(--brand-50);
    border-color: var(--brand-200);
    font-variant-numeric: tabular-nums;
}

[data-theme="dark"] .quantity-total-badge {
    color: var(--brand-700);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--r-pill);
    color: var(--text-2);
    background: var(--surface-3);
    border: 1px solid var(--border);
}

.category-primary,
.category-model {
    color: #fff;
    background: var(--grad-brand);
    border-color: transparent;
}

.category-ram {
    color: var(--accent-600);
    background: rgba(124, 92, 240, 0.12);
    border-color: rgba(124, 92, 240, 0.25);
}

.category-storage {
    color: var(--info-500);
    background: rgba(47, 127, 224, 0.12);
    border-color: rgba(47, 127, 224, 0.25);
}

.category-grade {
    color: var(--warning-600);
    background: rgba(217, 119, 6, 0.12);
    border-color: rgba(217, 119, 6, 0.25);
}

.category-deduction {
    color: var(--danger-500);
    background: rgba(224, 36, 36, 0.1);
    border-color: rgba(224, 36, 36, 0.24);
}

.category-display,
.category-graphics,
.category-battery {
    color: var(--success-600);
    background: rgba(14, 159, 110, 0.12);
    border-color: rgba(14, 159, 110, 0.24);
}

.admin-badge {
    color: #fff;
    background: var(--grad-accent);
    border-color: transparent;
}

.branch-status.active {
    color: var(--success-600);
    background: var(--success-50);
    border-color: rgba(14, 159, 110, 0.25);
}

/* ----------------------------------------------------------------------------
   6. MODALS
   -------------------------------------------------------------------------- */
.modal,
.auth-overlay-custom {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--s-4);
    background: var(--overlay);
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    animation: ds-fade var(--t) var(--ease);
    overflow-y: auto;
}

@keyframes ds-fade {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes ds-pop {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.97);
    }

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

.modal-content,
.auth-modal-content {
    position: relative;
    width: 100%;
    max-width: 540px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--s-8);
    animation: ds-pop var(--t-slow) var(--ease-out);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    margin-bottom: var(--s-5);
    padding-bottom: var(--s-4);
    border-bottom: 1px solid var(--border);
}

.modal-header h2,
.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-body {
    color: var(--text-2);
}

.modal-actions,
.modal-footer {
    display: flex;
    gap: var(--s-3);
    justify-content: flex-end;
    margin-top: var(--s-6);
    flex-wrap: wrap;
}

.close-modal {
    position: absolute;
    top: var(--s-4);
    inset-inline-end: var(--s-4);
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    line-height: 1;
    color: var(--text-3);
    background: var(--surface-3);
    border: 1px solid var(--border);
    border-radius: 50%;
    z-index: 5;
    transition: all var(--t-fast) var(--ease);
}

.close-modal:hover {
    color: var(--danger-500);
    background: var(--danger-50);
    border-color: rgba(224, 36, 36, 0.25);
    transform: rotate(90deg);
}

/* ----------------------------------------------------------------------------
   7. ALERTS / TOASTS
   -------------------------------------------------------------------------- */
.alert {
    display: none;
    align-items: flex-start;
    gap: var(--s-3);
    padding: 14px 18px;
    margin-bottom: var(--s-4);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    animation: ds-slide-down var(--t) var(--ease-out);
}

@keyframes ds-slide-down {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.alert-success {
    color: var(--success-600);
    background: var(--success-50);
    border-color: rgba(14, 159, 110, 0.28);
}

.alert-error {
    color: var(--danger-500);
    background: var(--danger-50);
    border-color: rgba(224, 36, 36, 0.28);
}

/* ----------------------------------------------------------------------------
   8. LOADING
   -------------------------------------------------------------------------- */
.spinner {
    width: 46px;
    height: 46px;
    border: 3px solid var(--border);
    border-top-color: var(--brand-600);
    border-radius: 50%;
    margin: 0 auto var(--s-4);
    animation: ds-spin 0.8s linear infinite;
}

.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--surface-3);
    border-radius: var(--r-sm);
}

.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-sheen);
    animation: ds-shimmer 1.4s infinite;
}

@keyframes ds-shimmer {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

/* ----------------------------------------------------------------------------
   9. UTILITIES
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--content-max);
    margin-inline: auto;
    padding-inline: var(--s-6);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.ltr {
    direction: ltr;
    text-align: left;
}

.rtl {
    direction: rtl;
    text-align: right;
}

.left {
    text-align: left;
}

.right {
    text-align: right;
}

.hidden {
    display: none !important;
}

/* Animation helpers used by the app JS */
.attention-shake {
    animation: ds-shake 0.55s var(--ease);
}

@keyframes ds-shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20%,
    60% {
        transform: translateX(-7px);
    }

    40%,
    80% {
        transform: translateX(7px);
    }
}

.slide-in-right {
    animation: ds-slide-in-right var(--t-slow) var(--ease-out);
}

.slide-in-left {
    animation: ds-slide-in-left var(--t-slow) var(--ease-out);
}

.slide-out-right {
    animation: ds-slide-out-right var(--t) var(--ease) forwards;
}

.slide-out-left {
    animation: ds-slide-out-left var(--t) var(--ease) forwards;
}

@keyframes ds-slide-in-right {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

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

@keyframes ds-slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }

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

@keyframes ds-slide-out-right {
    to {
        opacity: 0;
        transform: translateX(40px);
    }
}

@keyframes ds-slide-out-left {
    to {
        opacity: 0;
        transform: translateX(-40px);
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}