/* =========================================================================
   Design tokens
   ========================================================================= */
:root {
    color-scheme: light;

    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f5f9;
    --color-border: #e2e8f0;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-text-subtle: #94a3b8;

    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-soft: #eef2ff;
    --color-primary-contrast: #ffffff;

    --color-success: #16a34a;
    --color-success-soft: #dcfce7;
    --color-warning: #d97706;
    --color-warning-soft: #fef3c7;
    --color-danger: #dc2626;
    --color-danger-soft: #fee2e2;
    --color-info: #0891b2;
    --color-info-soft: #cffafe;

    --sidebar-bg: #0f172a;
    --sidebar-text: #cbd5e1;
    --sidebar-text-muted: #64748b;
    --sidebar-active-bg: rgba(255, 255, 255, 0.08);
    --sidebar-active-text: #ffffff;
    --sidebar-border: rgba(255, 255, 255, 0.08);
    --sidebar-width: 264px;
    --topbar-height: 64px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.14);

    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-bs-theme="dark"] {
    color-scheme: dark;

    --color-bg: #0a0f1c;
    --color-surface: #131b2e;
    --color-surface-hover: #1a2338;
    --color-border: #253046;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-subtle: #64748b;

    --color-primary: #818cf8;
    --color-primary-hover: #a5b4fc;
    --color-primary-soft: rgba(129, 140, 248, 0.16);
    --color-primary-contrast: #0a0f1c;

    --color-success: #4ade80;
    --color-success-soft: rgba(74, 222, 128, 0.16);
    --color-warning: #fbbf24;
    --color-warning-soft: rgba(251, 191, 36, 0.16);
    --color-danger: #f87171;
    --color-danger-soft: rgba(248, 113, 113, 0.16);
    --color-info: #22d3ee;
    --color-info-soft: rgba(34, 211, 238, 0.16);

    --sidebar-bg: #070b14;
    --sidebar-border: rgba(255, 255, 255, 0.06);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.55);
}

/* =========================================================================
   Base
   ========================================================================= */
html, body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

body {
    margin: 0;
    transition: background-color 0.15s ease, color 0.15s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.01em;
}

h1:focus {
    outline: none;
}

a {
    color: var(--color-primary);
}

.text-muted {
    color: var(--color-text-muted) !important;
}

hr {
    border-color: var(--color-border);
    opacity: 1;
}

/* =========================================================================
   App shell: sidebar + topbar
   ========================================================================= */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1030;
    transition: transform 0.2s ease;
}

.app-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1.25rem 1.25rem;
    color: #ffffff;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

    .app-sidebar-brand i {
        color: var(--color-primary);
        font-size: 1.3rem;
    }

.app-sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.5rem 0.75rem;
    overflow-y: auto;
}

.app-nav-section {
    margin: 1rem 0.75rem 0.35rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sidebar-text-muted);
}

.app-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.925rem;
    font-weight: 500;
    transition: background-color 0.12s ease, color 0.12s ease;
}

    .app-nav-link i {
        font-size: 1.05rem;
        width: 1.25rem;
        text-align: center;
        flex-shrink: 0;
    }

    .app-nav-link:hover {
        background: var(--sidebar-active-bg);
        color: var(--sidebar-active-text);
        text-decoration: none;
    }

    .app-nav-link.active {
        background: var(--color-primary);
        color: #ffffff;
    }

.app-sidebar-footer {
    margin-top: auto;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--sidebar-border);
    color: var(--sidebar-text-muted);
    font-size: 0.75rem;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-left: var(--sidebar-width);
    min-width: 0;
}

.app-topbar {
    height: var(--topbar-height);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.app-sidebar-toggle {
    display: none;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 1.3rem;
    padding: 0.25rem 0.4rem;
    border-radius: var(--radius-sm);
}

    .app-sidebar-toggle:hover {
        background: var(--color-surface-hover);
    }

.app-topbar-title {
    font-weight: 600;
    color: var(--color-text);
}

.app-topbar-spacer {
    flex: 1;
}

.app-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: 1.05rem;
    transition: background-color 0.12s ease, color 0.12s ease;
}

    .app-icon-btn:hover {
        background: var(--color-surface-hover);
        color: var(--color-text);
    }

.app-logout-form {
    display: inline-flex;
    margin: 0;
}

.app-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.55);
    z-index: 1025;
}

.app-content {
    padding: 1.75rem 2rem 3rem;
    flex: 1;
}

@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }

    .app-shell.sidebar-open .app-sidebar {
        transform: translateX(0);
    }

    .app-shell.sidebar-open .app-sidebar-backdrop {
        display: block;
    }

    .app-main {
        margin-left: 0;
    }

    .app-sidebar-toggle {
        display: inline-flex;
    }

    .app-content {
        padding: 1.25rem 1rem 2rem;
    }
}

/* =========================================================================
   Page header
   ========================================================================= */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

/* =========================================================================
   Stat tiles
   ========================================================================= */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.stat-tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.4rem;
    box-shadow: var(--shadow-sm);
}

.stat-tile-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

    .stat-tile-label i {
        font-size: 1rem;
    }

.stat-tile-value {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 0.35rem;
    letter-spacing: -0.02em;
}

/* =========================================================================
   Cards
   ========================================================================= */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
}

.app-card-hover {
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

    .app-card-hover:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

/* =========================================================================
   Tables
   ========================================================================= */
.table {
    color: var(--color-text);
    --bs-table-bg: transparent;
    --bs-table-striped-bg: var(--color-surface-hover);
    --bs-table-hover-bg: var(--color-surface-hover);
    --bs-table-border-color: var(--color-border);
    vertical-align: middle;
}

    .table thead th {
        font-size: 0.75rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--color-text-muted);
        border-bottom-width: 1px;
        padding-top: 0.4rem;
        padding-bottom: 0.4rem;
    }

.app-table-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

    .app-table-card .table {
        margin-bottom: 0;
    }

    .app-table-card .table > :not(caption) > * > * {
        border-bottom-width: 1px;
    }

/* =========================================================================
   Holiday cover image / notes
   ========================================================================= */
.holiday-cover-image {
    width: 100%;
    max-height: 320px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.holiday-notes {
    white-space: pre-wrap;
}

.holiday-card-thumb {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}

/* =========================================================================
   Badges / status pills
   ========================================================================= */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

    .status-badge.status-success {
        background: var(--color-success-soft);
        color: var(--color-success);
    }

    .status-badge.status-warning {
        background: var(--color-warning-soft);
        color: var(--color-warning);
    }

    .status-badge.status-danger {
        background: var(--color-danger-soft);
        color: var(--color-danger);
    }

    .status-badge.status-info {
        background: var(--color-info-soft);
        color: var(--color-info);
    }

    .status-badge.status-neutral {
        background: var(--color-surface-hover);
        color: var(--color-text-muted);
    }

/* =========================================================================
   Progress bars
   ========================================================================= */
.app-progress {
    height: 0.5rem;
    border-radius: 999px;
    background: var(--color-surface-hover);
    overflow: hidden;
}

.app-progress-bar {
    height: 100%;
    border-radius: 999px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

    .app-progress-bar.status-success {
        background: var(--color-success);
    }

    .app-progress-bar.status-warning {
        background: var(--color-warning);
    }

/* =========================================================================
   Buttons / forms
   ========================================================================= */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

    .btn-primary:hover, .btn-primary:focus {
        background-color: var(--color-primary-hover);
        border-color: var(--color-primary-hover);
    }

.form-control, .form-select {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
    border-radius: var(--radius-sm);
}

    .form-control:focus, .form-select:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 0.2rem var(--color-primary-soft);
        background-color: var(--color-surface);
        color: var(--color-text);
    }

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* =========================================================================
   Auth pages (Login etc.)
   ========================================================================= */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    padding: 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.25rem 2rem;
}

.auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

    .auth-brand i {
        color: var(--color-primary);
        font-size: 1.4rem;
    }

/* =========================================================================
   Misc / scaffold-required
   ========================================================================= */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid var(--color-danger);
}

.validation-message {
    color: var(--color-danger);
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* =========================================================================
   Marketing / landing page
   ========================================================================= */
.marketing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    max-width: 1140px;
    margin: 0 auto;
}

.marketing-hero {
    padding: 3rem 1.5rem 4rem;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.marketing-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.marketing-hero p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.marketing-section {
    max-width: 1140px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.marketing-section-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.marketing-section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.75rem;
    height: 100%;
}

.feature-card i {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    display: block;
}

.destination-tile {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 140px;
    display: flex;
    align-items: flex-end;
    padding: 1rem;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    background-size: cover;
    background-position: center;
}

    .destination-tile::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.55) 100%);
    }

    .destination-tile span {
        position: relative;
        z-index: 1;
    }

    .destination-tile:hover {
        color: #fff;
        filter: brightness(1.08);
    }

.marketing-footer {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--color-border);
    margin-top: 1rem;
}