/* ============================================================
   APP THEME — Design Tokens + Layout
   Blazor Server · Light/Dark · Master-Detail
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ── Design Tokens ──────────────────────────────────────── */
:root {
    /* Accent */
    --accent-primary: #C96A2E;
    --accent-primary-hover: #B05820;
    --accent-secondary: #E8A87C;
    --accent-glow: rgba(201, 106, 46, 0.15);
    /* Surface — Light */
    --surface-bg: #F5F3EE;
    --surface-elevated: #FFFFFF;
    --surface-overlay: rgba(245, 243, 238, 0.95);
    /* Nav — Light */
    --nav-bg: #EFEBE2;
    --nav-bg-hover: rgba(0,0,0,0.04);
    --nav-bg-active: rgba(201, 106, 46, 0.14);
    --nav-border: rgba(0,0,0,0.07);
    --nav-text: #5A6272;
    --nav-text-active: #151A22;
    --nav-text-hover: #151A22;
    --nav-logo-text: #151A22;
    --nav-icon-muted: rgba(0,0,0,0.35);
    /* Content — Light */
    --content-bg: #F5F3EE;
    --border: rgba(0,0,0,0.08);
    --border-strong: rgba(0,0,0,0.14);
    --text-primary: #151A22;
    --text-secondary: #5A6272;
    --text-muted: #9AA0AD;
    --text-on-accent: #FFFFFF;
    --text-on-warm-accent: #11161E;
    --link-color: #006BB7;
    --link-hover-color: #005691;
    /* Component */
    --card-bg: #FFFFFF;
    --card-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.05);
    --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.10), 0 12px 36px rgba(0,0,0,0.08);
    --input-bg: #FFFFFF;
    --input-border: rgba(0,0,0,0.12);
    --input-focus-border: var(--accent-primary);
    --input-focus-shadow: 0 0 0 3px var(--accent-glow);
    /* Status */
    --status-success: #2D9E6B;
    --status-warning: #D4820A;
    --status-danger: #D63B3B;
    --status-info: #2F7CC4;
    /* Skeleton */
    --skeleton-base: rgba(0,0,0,0.06);
    --skeleton-shine: rgba(255,255,255,0.7);
    /* Sizing */
    --nav-width: 256px;
    --nav-collapsed-width: 64px;
    --header-height: 56px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    /* Transition */
    --transition-fast: 150ms ease;
    --transition-mid: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    /* Typography */
    /*    --font-display: 'Syne', sans-serif;*/
    --font-display: 'DM Sans', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --bs-body-color: var(--text-primary);
    --bs-body-bg: var(--surface-bg);
    --bs-secondary-color: var(--text-secondary);
    --bs-tertiary-color: var(--text-muted);
    --bs-border-color: var(--border);
    color-scheme: light;
}

/* ── Dark Theme ─────────────────────────────────────────── */
[data-theme="dark"] {
    --accent-primary: #D07839;
    --accent-primary-hover: #E08A50;
    --accent-secondary: #F0B58D;
    --accent-glow: rgba(208, 120, 57, 0.18);
    --surface-bg: #0F141C;
    --surface-elevated: #171F2B;
    --surface-overlay: rgba(15, 20, 28, 0.96);
    --nav-bg: #0B1018;
    --nav-bg-hover: rgba(221, 227, 236, 0.07);
    --nav-bg-active: rgba(208, 120, 57, 0.18);
    --nav-border: rgba(221, 227, 236, 0.08);
    --nav-text: #929BAD;
    --nav-text-active: #F2F5F8;
    --nav-text-hover: #DDE3EC;
    --nav-logo-text: #F2F5F8;
    --nav-icon-muted: #747E90;
    --content-bg: #0F141C;
    --border: rgba(221, 227, 236, 0.09);
    --border-strong: rgba(221, 227, 236, 0.16);
    --text-primary: #DDE3EC;
    --text-secondary: #9CA6B8;
    --text-muted: #858FA2;
    --link-color: #83BDF3;
    --link-hover-color: #A9D0F7;
    --status-info: #62A4E5;
    --card-bg: #171F2B;
    --card-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 4px 16px rgba(0,0,0,0.25);
    --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.4), 0 12px 36px rgba(0,0,0,0.35);
    --input-bg: #1E2838;
    --input-border: rgba(221, 227, 236, 0.15);
    --skeleton-base: rgba(255,255,255,0.06);
    --skeleton-shine: rgba(255,255,255,0.03);
    color-scheme: dark;
}

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

html, body {
    height: 100%;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--surface-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition-slow), color var(--transition-slow);
}

a, .btn-link {
    color: var(--link-color);
}

a:hover, .btn-link:hover {
    color: var(--link-hover-color);
}

/* ── App Shell ──────────────────────────────────────────── */
.app-shell {
    display: flex;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

/* ── Navigation Sidebar ─────────────────────────────────── */
.app-nav {
    width: var(--nav-width);
    min-width: var(--nav-width);
    background: var(--nav-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: width var(--transition-slow), min-width var(--transition-slow);
    z-index: 100;
}

    /* Subtle side accent line */
    .app-nav::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 1px;
        height: 100%;
        background: linear-gradient( to bottom, transparent, var(--accent-primary) 30%, var(--accent-secondary) 70%, transparent );
        opacity: 0.35;
    }

    .app-nav.collapsed {
        width: var(--nav-collapsed-width);
        min-width: var(--nav-collapsed-width);
    }

/* ── Nav Logo ───────────────────────────────────────────── */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    height: var(--header-height);
    border-bottom: 1px solid var(--nav-border);
    text-decoration: none;
    overflow: hidden;
    flex-shrink: 0;
}

.nav-logo-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: var(--accent-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    color: var(--text-on-warm-accent);
    letter-spacing: -0.5px;
}

.nav-logo-text {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--nav-logo-text);
    white-space: nowrap;
    transition: opacity var(--transition-mid);
}

.app-nav.collapsed .nav-logo-text {
    opacity: 0;
    pointer-events: none;
}

/* ── Nav Section Label ──────────────────────────────────── */
.nav-section-label {
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nav-icon-muted);
    padding: 20px 20px 6px;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-mid);
}

.app-nav.collapsed .nav-section-label {
    opacity: 0;
}

/* ── Nav Items ──────────────────────────────────────────── */
.nav-items {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 0;
    scrollbar-width: none;
}

    .nav-items::-webkit-scrollbar {
        display: none;
    }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 10px;
    height: 36px;
    margin: 2px 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
    color: var(--nav-text);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

    .nav-item:hover {
        background: var(--nav-bg-hover);
        color: var(--nav-text-hover);
    }

    .nav-item.active {
        background: var(--nav-bg-active);
        color: var(--nav-text-active);
    }

        /* Active indicator */
        .nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 3px;
            background: var(--accent-primary);
            border-radius: 0 3px 3px 0;
        }

.nav-item-icon {
    width: 20px;
    min-width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-item-label {
    font-size: 13px;
    font-weight: 500;
    transition: opacity var(--transition-mid);
}

.app-nav.collapsed .nav-item-label {
    opacity: 0;
}

.nav-item-badge {
    margin-left: auto;
    background: var(--accent-primary);
    font-size: 10px;
    font-weight: 700;
    font-family: var(--font-display);
    padding: 1px 7px;
    border-radius: 20px;
    min-width: 20px;
    color: var(--text-on-warm-accent);
    text-align: center;
    transition: opacity var(--transition-mid);
}

.app-nav.collapsed .nav-item-badge {
    opacity: 0;
}

/* ── Nav Footer ─────────────────────────────────────────── */
.nav-footer {
    padding: 12px 8px;
    border-top: 1px solid var(--nav-border);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    overflow: hidden;
}

    .nav-user:hover {
        background: var(--nav-bg-hover);
    }

.nav-avatar {
    width: 30px;
    height: 30px;
    min-width: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    color: var(--text-on-warm-accent);
}

.nav-user-info {
    overflow: hidden;
    transition: opacity var(--transition-mid);
}

.app-nav.collapsed .nav-user-info {
    opacity: 0;
}

.nav-user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--nav-text-hover);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.nav-user-role {
    font-size: 11px;
    color: var(--nav-text);
    white-space: nowrap;
}

/* ── Collapse Toggle ────────────────────────────────────── */
.nav-collapse-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 12px;
    height: 36px;
    border-radius: var(--radius-md);
    cursor: pointer;
    background: none;
    border: none;
    color: var(--nav-text);
    width: 100%;
    transition: background var(--transition-fast), color var(--transition-fast);
    overflow: hidden;
}

    .nav-collapse-btn:hover {
        background: var(--nav-bg-hover);
        color: var(--nav-text-hover);
    }

    .nav-collapse-btn svg {
        min-width: 20px;
        transition: transform var(--transition-mid);
    }

.app-nav.collapsed .nav-collapse-btn svg {
    transform: rotate(180deg);
}

.app-nav.collapsed .nav-collapse-btn span {
    opacity: 0;
}

.nav-collapse-btn span {
    font-size: 13px;
    white-space: nowrap;
    transition: opacity var(--transition-mid);
}

/* ── Main Content Area ──────────────────────────────────── */
.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: visible;
    background: var(--content-bg);
    transition: background var(--transition-slow);
}

/* ── Top Header Bar ─────────────────────────────────────── */
.app-header {
    height: var(--header-height);
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-elevated);
    gap: 16px;
    transition: background var(--transition-slow);
    flex-shrink: 0;
    z-index: 10;
    overflow: visible;
}

.app-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
    flex: 1;
}

.page-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0;
    /*    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;*/
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.breadcrumb-sep {
    color: var(--text-muted);
    opacity: 0.5;
}

.app-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Header icon buttons */
.header-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    position: relative;
}

    .header-btn:hover {
        background: var(--surface-bg);
        color: var(--text-primary);
        border-color: var(--border-strong);
    }

    .header-btn .badge-dot {
        position: absolute;
        top: 7px;
        right: 7px;
        width: 7px;
        height: 7px;
        background: var(--accent-primary);
        border-radius: 50%;
        border: 2px solid var(--surface-elevated);
    }

/* ── Popup Menu Sections ────────────────────────────────── */
.popup-header {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.popup-body {
    padding: 8px;
}

.popup-footer {
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

/* ── Popup Menu Items ───────────────────────────────────── */
.popup-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 10px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    text-decoration: none;
    transition: background var(--transition-fast);
}

    .popup-item:hover {
        background: var(--surface-bg);
    }

    .popup-item.danger {
        color: var(--status-danger);
    }

        .popup-item.danger:hover {
            background: rgba(214,59,59,0.07);
        }

.popup-item-icon {
    width: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    flex-shrink: 0;
}

.popup-item.danger .popup-item-icon {
    color: var(--status-danger);
}

.popup-item-label {
    flex: 1;
}

.popup-item-sub {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
    margin-top: 1px;
}

.popup-divider {
    height: 1px;
    background: var(--border);
    margin: 6px 10px;
}

/* ── Page Content ───────────────────────────────────────── */
.app-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    padding: 24px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}

    .app-content::-webkit-scrollbar {
        width: 6px;
    }

    .app-content::-webkit-scrollbar-track {
        background: transparent;
    }

    .app-content::-webkit-scrollbar-thumb {
        background: var(--border-strong);
        border-radius: 3px;
    }

/* ── Guest read-only banner ─────────────────────────────── */
.guest-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
    color: var(--text-primary);
    border-bottom: 1px solid color-mix(in srgb, var(--accent-primary) 35%, transparent);
    font-size: 13px;
    line-height: 1.4;
}

    .guest-banner svg {
        flex-shrink: 0;
        color: var(--accent-primary);
    }

    .guest-banner strong {
        font-weight: 700;
    }

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: box-shadow var(--transition-mid), border-color var(--transition-mid), background var(--transition-slow);
}

    .card:hover {
        box-shadow: var(--card-shadow-hover);
    }

.card-header {
    padding: 18px 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* ── Stat Cards ─────────────────────────────────────────── */
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--card-shadow);
    transition: box-shadow var(--transition-mid), transform var(--transition-mid);
}

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

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

    .stat-icon.accent {
        background: var(--accent-glow);
        color: var(--accent-primary);
    }

    .stat-icon.success {
        background: rgba(45,158,107,0.12);
        color: var(--status-success);
    }

    .stat-icon.warning {
        background: rgba(212,130,10,0.12);
        color: var(--status-warning);
    }

    .stat-icon.danger {
        background: rgba(214,59,59,0.12);
        color: var(--status-danger);
    }

.stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-delta {
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 3px;
}

    .stat-delta.up {
        color: var(--status-success);
    }

    .stat-delta.down {
        color: var(--status-danger);
    }

/* ── Grid Utilities ─────────────────────────────────────── */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 600px) {
    .grid-4, .grid-3 {
        grid-template-columns: 1fr;
    }

    .app-content {
        padding: 16px;
    }
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 16px;
    height: 36px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

    .btn:active {
        transform: translateY(1px);
    }

        .btn:active:focus {
            box-shadow: none;
        }

    .btn:focus {
        box-shadow: none;
    }

.btn-primary {
    /*    background: var(--accent-primary);*/
    color: var(--text-on-accent);
}

    .btn-primary:hover {
        /*        background: var(--accent-primary-hover);*/
    }

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

    .btn-secondary:hover {
        background: var(--border);
    }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

    .btn-ghost:hover {
        background: var(--surface-bg);
        color: var(--text-primary);
    }

.btn-sm {
    height: 30px;
    padding: 0 12px;
    font-size: 13px;
}

.btn-lg {
    height: 44px;
    padding: 0 24px;
    font-size: 15px;
}

/* ── Form Inputs ────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    height: 38px;
    padding: 0 12px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    width: 100%;
}

    .form-input:focus {
        border-color: var(--input-focus-border);
        box-shadow: var(--input-focus-shadow);
    }

    .form-input::placeholder {
        color: var(--text-muted);
    }

/* ── Badge / Pill ───────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-display);
}

.badge-accent {
    background: var(--accent-glow);
    color: var(--accent-primary);
}

.badge-success {
    background: rgba(45,158,107,0.12);
    color: var(--status-success);
}

.badge-warning {
    background: rgba(212,130,10,0.12);
    color: var(--status-warning);
}

.badge-danger {
    background: rgba(214,59,59,0.12);
    color: var(--status-danger);
}

.badge-neutral {
    background: var(--border);
    color: var(--text-secondary);
}

/* ── Divider ────────────────────────────────────────────── */
.divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
}

/* ── Stack Utilities ────────────────────────────────────── */
.hstack {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.vstack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Gap modifiers */
.gap-2 {
    gap: 4px;
}

.gap-4 {
    gap: 8px;
}

.gap-6 {
    gap: 12px;
}

.gap-8 {
    gap: 16px;
}

.gap-12 {
    gap: 24px;
}

/* Alignment helpers */
.hstack.center {
    justify-content: center;
}

.hstack.end {
    justify-content: flex-end;
}

.hstack.between {
    justify-content: space-between;
}

.hstack.top {
    align-items: flex-start;
}

.hstack.bottom {
    align-items: flex-end;
}

/* Spacer — pushes siblings apart */
.spacer {
    flex: 1;
}


/* Fixed pixel widths — useful for form fields */
.w-80 {
    width: 80px;
}

.w-300 {
    width: 300px;
}

.w-rem-10 {
    width: 10rem;
}
/* Min / Max */
.min-w-0 {
    min-width: 0;
}

.max-w-sm {
    max-width: 480px;
}

.max-w-md {
    max-width: 720px;
}

.max-w-lg {
    max-width: 960px;
}

.max-w-full {
    max-width: 100%;
}

/* ── Loading / Skeleton ─────────────────────────────────── */
.skeleton {
    background: linear-gradient( 90deg, var(--skeleton-base) 25%, var(--skeleton-shine) 50%, var(--skeleton-base) 75% );
    background-size: 200% 100%;
    animation: skeleton-sweep 1.6s ease-in-out infinite;
    border-radius: var(--radius-sm);
    height: 13px;
}

@keyframes skeleton-sweep {
    from {
        background-position: 200% 0;
    }

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

/* ── Nav / Action Progress ──────────────────────────────── */
body.navigating::before,
body.app-busy::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    animation: nav-progress 2s ease-out forwards;
    z-index: 9999;
}

body.app-busy::after {
    content: attr(data-busy-message);
    position: fixed;
    right: 18px;
    bottom: 18px;
    max-width: min(320px, calc(100vw - 36px));
    padding: 10px 14px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: var(--surface-elevated, #FFFFFF);
    color: var(--text-primary, #151A22);
    box-shadow: var(--card-shadow-hover);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    z-index: 9999;
}

body.app-busy-pending {
    cursor: progress;
}

body.app-busy .btn[data-busy]:not(:disabled) {
    cursor: progress;
}

@keyframes nav-progress {
    from { transform: scaleX(0); transform-origin: left; }
    to   { transform: scaleX(0.85); transform-origin: left; }
}

@media (max-width: 600px) {
    body.app-busy::after {
        right: 12px;
        bottom: 12px;
        max-width: calc(100vw - 24px);
    }
}

/* ── Page Entry Animation ───────────────────────────────── */
.page-enter {
    display: flex;
    flex-direction: column;
    height: 100%;
    /*    flex: 1;*/
    animation: page-fade-up 150ms ease both;
}

@keyframes page-fade-up {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

/* ── Mobile Nav Overlay ─────────────────────────────────── */
@media (max-width: 768px) {
    .app-nav {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        transform: translateX(-100%);
        transition: transform var(--transition-slow), width var(--transition-slow);
        box-shadow: 4px 0 24px rgba(0,0,0,0.25);
    }

        .app-nav.mobile-open {
            transform: translateX(0);
            width: var(--nav-width) !important;
        }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 99;
        backdrop-filter: blur(2px);
    }
}


/* ── Shared Micro-components ───────────────────────── */

.chevron {
    display: inline-flex;
    color: var(--text-muted);
    transition: transform var(--transition-mid);
}

    .chevron.open {
        transform: rotate(180deg);
        color: var(--accent-primary);
    }

/* Spinner */
.login-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 600ms linear infinite;
    flex-shrink: 0;
}

/* Inline button spinner — use inside flex buttons */
.btn-spinner {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 600ms linear infinite;
    flex-shrink: 0;
}

/* Alert (used in forms too) */
.login-alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: rgba(214,59,59,0.08);
    border: 1px solid rgba(214,59,59,0.20);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--status-danger);
    animation: shake 300ms ease;
}

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

    25% {
        transform: translateX(-6px);
    }

    75% {
        transform: translateX(6px);
    }
}

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

/* ── Animations ─────────────────────────────────────── */
@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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