/* ============================================================
   HOTELS — Design Tokens, Layout, Light/Dark
   Inspired by Ledge's pattern; teal accent for hospitality.
   ============================================================ */

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

:root {
    /* Accent — deep teal */
    --accent-primary: #0F766E;
    --accent-primary-hover: #0D5D57;
    --accent-secondary: #5EEAD4;
    --accent-glow: rgba(15, 118, 110, 0.15);

    /* Surface (light) */
    --surface-bg: #F7F7F5;
    --surface-elevated: #FFFFFF;
    --surface-overlay: rgba(247, 247, 245, 0.95);

    /* Navigation (light) */
    --nav-bg: #EDECE6;
    --nav-bg-hover: rgba(0,0,0,0.04);
    --nav-bg-active: rgba(15, 118, 110, 0.14);
    --nav-border: rgba(0,0,0,0.07);
    --nav-text: #5A6272;
    --nav-text-active: #101828;
    --nav-text-hover: #101828;
    --nav-logo-text: #101828;
    --nav-icon-muted: rgba(0,0,0,0.35);

    /* Content (light) */
    --content-bg: #F7F7F5;
    --border: rgba(0,0,0,0.08);
    --border-strong: rgba(0,0,0,0.14);
    --text-primary: #101828;
    --text-secondary: #5C6470;
    --text-muted: #9AA0AD;
    --text-on-accent: #FFFFFF;

    /* 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: #10B981;
    --status-warning: #F59E0B;
    --status-danger:  #EF4444;
    --status-info:    #3B82F6;

    /* Room state colors */
    --state-available: #10B981;
    --state-reserved:  #F59E0B;
    --state-occupied:  #6366F1;
    --state-due:       #EF4444;

    /* Skeleton */
    --skeleton-base: rgba(0,0,0,0.06);
    --skeleton-shine: rgba(255,255,255,0.7);

    /* Sizing */
    --nav-width: 240px;
    --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: 'DM Sans', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    color-scheme: light;
}

[data-theme="dark"] {
    --surface-bg: #0B1220;
    --surface-elevated: #11192B;
    --surface-overlay: rgba(11, 18, 32, 0.96);
    --nav-bg: #070C16;
    --nav-bg-hover: rgba(255,255,255,0.05);
    --nav-bg-active: rgba(15, 118, 110, 0.18);
    --nav-border: rgba(255,255,255,0.05);
    --nav-text: rgba(255,255,255,0.55);
    --nav-text-active: #FFFFFF;
    --nav-text-hover: rgba(255,255,255,0.85);
    --nav-logo-text: #FFFFFF;
    --nav-icon-muted: rgba(255,255,255,0.30);
    --content-bg: #0B1220;
    --border: rgba(255,255,255,0.07);
    --border-strong: rgba(255,255,255,0.12);
    --text-primary: #E6EAF2;
    --text-secondary: #8B92A4;
    --text-muted: #525A6E;
    --card-bg: #11192B;
    --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: #182238;
    --input-border: rgba(255,255,255,0.10);
    --skeleton-base: rgba(255,255,255,0.06);
    --skeleton-shine: rgba(255,255,255,0.03);
    color-scheme: dark;
}

/* ── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    height: 100%;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.55;
    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 { color: inherit; text-decoration: none; }
button { font-family: inherit; }

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

.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;
}
.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 {
    display: flex; align-items: center; gap: 12px;
    padding: 0 20px; height: var(--header-height);
    border-bottom: 1px solid var(--nav-border);
    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: white;
    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 {
    font-family: var(--font-display);
    font-size: 10px; font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nav-icon-muted);
    padding: 18px 20px 6px;
    white-space: nowrap; overflow: hidden;
    transition: opacity var(--transition-mid);
}
.app-nav.collapsed .nav-section-label { opacity: 0; }

.nav-items { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 4px 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);
    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); }
.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-footer {
    padding: 12px 8px;
    border-top: 1px solid var(--nav-border);
    display: flex; flex-direction: column; gap: 2px;
}
.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 / Header ──────────────────────────────────── */
.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; overflow: visible; background: var(--content-bg); transition: background var(--transition-slow); }

.app-header {
    height: var(--header-height); min-height: var(--header-height);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-elevated);
    gap: 16px; flex-shrink: 0; z-index: 10;
    transition: background var(--transition-slow);
}
.app-header-left { display: flex; align-items: center; gap: 16px; min-width: 0; flex: 1; }
.page-title { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--text-primary); }
.app-header-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.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); }

.app-content {
    display: flex; flex: 1; flex-direction: column;
    overflow-y: auto; overflow-x: hidden;
    min-height: 0; padding: 20px;
    scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent;
}
.app-content::-webkit-scrollbar { width: 6px; }
.app-content::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

/* ── Cards ──────────────────────────────────────────── */
.card {
    background: var(--card-bg);
    color: var(--text-primary);
    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-header {
    padding: 16px 18px 0;
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px;
    background: transparent;
    color: var(--text-primary);
    border-bottom: 0;
}
.card-title { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: var(--text-primary); }
.card-body { padding: 16px 18px; color: var(--text-primary); }

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px;
    display: flex; flex-direction: column; gap: 10px;
    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(16,185,129,0.12); color: var(--status-success); }
.stat-icon.warning { background: rgba(245,158,11,0.12); color: var(--status-warning); }
.stat-icon.danger  { background: rgba(239,68,68,0.12); color: var(--status-danger); }
.stat-value { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: var(--text-primary); line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-secondary); }

.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: 14px; } }

/* ── Buttons ────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 0 14px; height: 34px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 13px; font-weight: 500;
    cursor: pointer; border: none;
    transition: background var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
    white-space: nowrap; user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.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-danger { background: var(--status-danger); color: white; }
.btn-danger:hover { opacity: 0.92; }

.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }
.btn-lg { height: 42px; padding: 0 22px; font-size: 14px; }

/* ── Form ───────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 12px; font-weight: 500; color: var(--text-secondary); }
.form-input, .form-select {
    height: 36px; 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: 13px;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    width: 100%;
}
.form-input:focus, .form-select:focus { border-color: var(--input-focus-border); box-shadow: var(--input-focus-shadow); }
.form-input::placeholder { color: var(--text-muted); }
.form-textarea {
    width: 100%; min-height: 80px; padding: 8px 12px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body); font-size: 13px;
    color: var(--text-primary); outline: none; resize: vertical;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-textarea:focus { border-color: var(--input-focus-border); box-shadow: var(--input-focus-shadow); }

/* ── Badges ─────────────────────────────────────────── */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 20px;
    font-size: 11px; font-weight: 600; font-family: var(--font-display);
}
.badge-accent  { background: var(--accent-glow); color: var(--accent-primary); }
.badge-success { background: rgba(16,185,129,0.12); color: var(--status-success); }
.badge-warning { background: rgba(245,158,11,0.12); color: var(--status-warning); }
.badge-danger  { background: rgba(239,68,68,0.12); color: var(--status-danger); }
.badge-info    { background: rgba(99,102,241,0.12); color: var(--state-occupied); }
.badge-neutral { background: var(--border); color: var(--text-secondary); }

/* Room state pill colors */
.state-available { background: rgba(16,185,129,0.15); color: var(--state-available); }
.state-reserved  { background: rgba(245,158,11,0.15); color: var(--state-reserved); }
.state-occupied  { background: rgba(99,102,241,0.15); color: var(--state-occupied); }
.state-due       { background: rgba(239,68,68,0.15); color: var(--state-due); }

/* ── Stack utilities ────────────────────────────────── */
.hstack { display: flex; flex-direction: row; align-items: center; gap: 8px; }
.vstack { display: flex; flex-direction: column; gap: 8px; }
.hstack.center { justify-content: center; }
.hstack.end { justify-content: flex-end; }
.hstack.between { justify-content: space-between; }
.hstack.top { align-items: flex-start; }
.gap-2 { gap: 4px; } .gap-4 { gap: 8px; } .gap-6 { gap: 12px; }
.gap-8 { gap: 16px; } .gap-12 { gap: 24px; }
.spacer { flex: 1; }
.divider { height: 1px; background: var(--border); margin: 12px 0; }

.w-80 { width: 80px; } .w-200 { width: 200px; } .w-300 { width: 300px; }
.min-w-0 { min-width: 0; } .max-w-sm { max-width: 480px; } .max-w-md { max-width: 720px; }

/* ── Skeleton / progress ────────────────────────────── */
.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; } }

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

.page-enter { display: flex; flex-direction: column; height: 100%; animation: page-fade-up 150ms ease both; }
@keyframes page-fade-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
    width: 16px; height: 16px;
    border: 2px solid var(--border-strong);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 600ms linear infinite;
    flex-shrink: 0;
}
.spinner-light {
    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;
}

/* ── Master-detail shell (Ledge pattern) ───────────────── */
.table-view-shell {
    display: flex; gap: 16px;
    height: 100%; min-height: 0;
    flex: 1;
}
.shell-left {
    width: 320px; min-width: 280px;
    display: flex; flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}
.shell-left-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.shell-left-panel-title {
    font-family: var(--font-display);
    font-size: 14px; font-weight: 700;
    color: var(--text-primary);
}
.shell-right {
    flex: 1; min-width: 0;
    display: flex; flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

/* User-account list items */
.uac-user-list {
    flex: 1; overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}
.uac-user-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 16px; cursor: pointer;
    border-bottom: 1px solid var(--border);
    border-left: 3px solid transparent;
    transition: background var(--transition-fast);
}
.uac-user-item:hover { background: var(--surface-bg); }
.uac-user-item.selected {
    background: var(--accent-glow);
    border-left-color: var(--accent-primary);
}
.uac-user-item.selected .uac-username { color: var(--accent-primary); }

.uac-avatar {
    width: 34px; height: 34px; min-width: 34px;
    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: white; flex-shrink: 0;
}
.uac-avatar-lg { width: 44px; height: 44px; min-width: 44px; font-size: 15px; }
.uac-user-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.uac-username {
    font-size: 13px; font-weight: 600; color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.uac-meta {
    font-size: 12px; color: var(--text-muted);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.uac-privilege { color: var(--text-muted); }

.uac-form-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.uac-form-body {
    flex: 1; overflow-y: auto; padding: 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}
.uac-form-footer {
    display: flex; align-items: center; gap: 8px;
    padding: 14px 20px;
    border-top: 1px solid var(--border); flex-shrink: 0;
}
.uac-password-section {
    margin-top: 20px; padding: 16px;
    background: var(--surface-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

/* ── Responsive nav ─────────────────────────────────── */
@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); }
}