/* === GOOGLE FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Playfair+Display:wght@700;800&display=swap');

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #003580;
  --primary-dark: #00214d;
  --primary-light: #0071c2;
  --accent: #febb02;
  --accent-dark: #e5a800;
  --success: #008234;
  --danger: #cc0000;
  --warning: #f4a400;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f4;
  --gray-200: #e8eaed;
  --gray-300: #dadce0;
  --gray-400: #bdc1c6;
  --gray-500: #80868b;
  --gray-600: #5f6368;
  --gray-700: #3c4043;
  --gray-800: #202124;
  --gray-900: #171717;
  --font-sans: 'Nunito', 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px; --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12); --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.16); --shadow-xl: 0 16px 48px rgba(0,0,0,0.20);
  --transition: 0.2s ease; --transition-slow: 0.4s ease;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--gray-800); background: var(--gray-50); line-height: 1.6; font-size: 15px; -webkit-font-smoothing: antialiased; }
a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }

/* === LAYOUT === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container--wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: var(--radius-md); font-weight: 700; font-size: 14px; font-family: var(--font-sans); cursor: pointer; border: 2px solid transparent; transition: all var(--transition); text-decoration: none; white-space: nowrap; line-height: 1.4; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn--primary { background: var(--accent); color: var(--gray-900); border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--gray-900); }
.btn--blue { background: var(--primary-light); color: var(--white); border-color: var(--primary-light); }
.btn--blue:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }
.btn--outline { background: transparent; color: var(--primary-light); border-color: var(--primary-light); }
.btn--outline:hover { background: var(--primary-light); color: var(--white); }
.btn--ghost { background: transparent; color: var(--gray-700); border-color: transparent; }
.btn--ghost:hover { background: var(--gray-100); }
.btn--danger { background: var(--danger); color: var(--white); border-color: var(--danger); }
.btn--sm { padding: 6px 14px; font-size: 13px; }
.btn--lg { padding: 14px 28px; font-size: 16px; }
.btn--full { width: 100%; }

/* === BADGES === */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: var(--radius-full); font-size: 12px; font-weight: 700; letter-spacing: 0.3px; }
.badge--success { background: #e6f4ea; color: var(--success); }
.badge--warning { background: #fef7e0; color: #c47000; }
.badge--danger { background: #fce8e6; color: var(--danger); }
.badge--info { background: #e8f0fe; color: var(--primary); }
.badge--gray { background: var(--gray-200); color: var(--gray-600); }

/* === FORMS === */
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-label { font-size: 13px; font-weight: 700; color: var(--gray-700); text-transform: uppercase; letter-spacing: 0.5px; }
.form-input, .form-select, .form-textarea { width: 100%; padding: 10px 14px; border: 1.5px solid var(--gray-300); border-radius: var(--radius-md); font-family: var(--font-sans); font-size: 15px; color: var(--gray-800); background: var(--white); transition: border-color var(--transition); outline: none; }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(0,113,194,0.12); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-error { font-size: 12px; color: var(--danger); }

/* === CARDS === */
.card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow var(--transition); }
.card:hover { box-shadow: var(--shadow-md); }
.card__body { padding: 24px; }
.card__header { padding: 20px 24px; border-bottom: 1px solid var(--gray-200); }
.card__footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); background: var(--gray-50); }

/* === TABLES === */
.table { width: 100%; border-collapse: collapse; }
.table th { padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--gray-500); border-bottom: 2px solid var(--gray-200); }
.table td { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); font-size: 14px; color: var(--gray-700); }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--gray-50); }

/* === TABS === */
.tabs { display: flex; border-bottom: 2px solid var(--gray-200); margin-bottom: 32px; gap: 0; overflow-x: auto; }
.tab-btn { padding: 12px 20px; font-size: 14px; font-weight: 600; color: var(--gray-500); background: none; border: none; border-bottom: 3px solid transparent; cursor: pointer; transition: all var(--transition); margin-bottom: -2px; font-family: var(--font-sans); white-space: nowrap; }
.tab-btn:hover { color: var(--primary-light); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* === MODALS === */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 16px; backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity var(--transition); }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: var(--white); border-radius: var(--radius-xl); width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-xl); transform: translateY(20px); transition: transform var(--transition); }
.modal-overlay.open .modal { transform: translateY(0); }
.modal__header { padding: 24px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; }
.modal__title { font-size: 18px; font-weight: 700; color: var(--gray-900); }
.modal__close { background: none; border: none; cursor: pointer; color: var(--gray-500); font-size: 24px; line-height: 1; padding: 4px; border-radius: var(--radius-sm); transition: background var(--transition); }
.modal__close:hover { background: var(--gray-100); }
.modal__body { padding: 24px; }
.modal__footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; gap: 8px; justify-content: flex-end; }

/* === PORTAL LAYOUT === */
.portal-layout { display: flex; min-height: 100vh; }
.portal-sidebar { background: var(--primary-dark); color: var(--white); position: fixed; top: 0; left: 0; height: 100vh; width: 260px; overflow-y: auto; display: flex; flex-direction: column; z-index: 100; transition: transform var(--transition-slow); }
.portal-content { margin-left: 260px; min-height: 100vh; background: var(--gray-50); flex: 1; }
.portal-main { padding: 32px; }

/* Sidebar elements */
.sidebar-logo { padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; gap: 10px; }
.sidebar-logo-text { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--white); }
.sidebar-logo-text span { color: var(--accent); }
.sidebar-user { padding: 16px 24px; border-bottom: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; gap: 12px; }
.sidebar-avatar { width: 40px; height: 40px; border-radius: var(--radius-full); background: var(--accent); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--gray-900); font-size: 16px; flex-shrink: 0; }
.sidebar-username { font-size: 14px; font-weight: 600; color: var(--white); }
.sidebar-role { font-size: 12px; color: rgba(255,255,255,0.5); }
.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-section-label { padding: 8px 24px 4px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,0.4); }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 10px 24px; color: rgba(255,255,255,0.75); font-size: 14px; font-weight: 500; cursor: pointer; transition: all var(--transition); border-left: 3px solid transparent; text-decoration: none; }
.nav-item:hover { background: rgba(255,255,255,0.08); color: var(--white); }
.nav-item.active { background: rgba(255,255,255,0.12); color: var(--white); border-left-color: var(--accent); }
.nav-item svg { width: 18px; height: 18px; opacity: 0.8; flex-shrink: 0; }
.nav-item.active svg { opacity: 1; }
.nav-badge { margin-left: auto; background: var(--accent); color: var(--gray-900); font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: var(--radius-full); }
.sidebar-footer { padding: 16px 24px; border-top: 1px solid rgba(255,255,255,0.1); }
.mobile-menu-toggle { display: none; position: fixed; top: 16px; left: 16px; z-index: 200; background: var(--primary); color: var(--white); border: none; border-radius: var(--radius-md); padding: 10px; cursor: pointer; }

/* === PAGE HEADER === */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.page-title { font-size: 24px; font-weight: 800; color: var(--gray-900); line-height: 1.2; }
.page-subtitle { font-size: 14px; color: var(--gray-500); margin-top: 4px; }

/* === STAT CARDS === */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.stat-card { background: var(--white); border-radius: var(--radius-lg); padding: 20px 24px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--primary-light); }
.stat-card.accent::before { background: var(--accent); }
.stat-card.success::before { background: var(--success); }
.stat-card.danger::before { background: var(--danger); }
.stat-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--gray-500); }
.stat-value { font-size: 28px; font-weight: 800; color: var(--gray-900); margin: 4px 0; line-height: 1; }
.stat-change { font-size: 12px; color: var(--success); font-weight: 600; }
.stat-change.negative { color: var(--danger); }
.stat-icon { font-size: 36px; float: right; opacity: 0.15; margin-top: -8px; }

/* === HOTEL CARDS === */
.hotel-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); display: grid; grid-template-columns: 260px 1fr 180px; transition: box-shadow var(--transition); margin-bottom: 16px; border: 1px solid var(--gray-200); }
.hotel-card:hover { box-shadow: var(--shadow-md); }
.hotel-card__img { height: 100%; min-height: 200px; object-fit: cover; width: 100%; }
.hotel-card__body { padding: 20px; }
.hotel-card__name { font-size: 18px; font-weight: 700; color: var(--primary-light); margin-bottom: 4px; cursor: pointer; }
.hotel-card__name:hover { color: var(--primary); text-decoration: underline; }
.hotel-card__location { font-size: 13px; color: var(--gray-500); display: flex; align-items: center; gap: 4px; margin-bottom: 8px; }
.hotel-card__stars { color: var(--accent); font-size: 14px; letter-spacing: 2px; margin: 6px 0; }
.hotel-card__amenities { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.amenity-tag { background: var(--gray-100); color: var(--gray-600); font-size: 12px; padding: 3px 10px; border-radius: var(--radius-full); }
.hotel-card__price { padding: 20px; border-left: 1px solid var(--gray-100); display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; }
.price-label { font-size: 12px; color: var(--gray-500); }
.price-value { font-size: 26px; font-weight: 800; color: var(--gray-900); }
.price-night { font-size: 12px; color: var(--gray-400); }
.hotel-rating { display: inline-flex; align-items: center; gap: 6px; }
.rating-box { background: var(--primary); color: var(--white); font-weight: 700; font-size: 14px; padding: 6px 10px; border-radius: 8px 8px 8px 0; }
.rating-text { font-size: 12px; }
.rating-text strong { display: block; font-size: 13px; color: var(--gray-700); }
.rating-text span { color: var(--gray-500); }

/* === BOOKING CARD === */
.booking-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; margin-bottom: 16px; border: 1px solid var(--gray-200); }
.booking-card__header { padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--gray-100); }
.booking-ref { font-size: 13px; color: var(--gray-500); font-family: monospace; background: var(--gray-100); padding: 3px 8px; border-radius: var(--radius-sm); }
.booking-card__body { padding: 20px; display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: start; }
.booking-hotel-name { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.booking-dates { font-size: 14px; color: var(--gray-600); display: flex; align-items: center; gap: 8px; }
.booking-dates-arrow { color: var(--gray-400); }
.booking-total { font-size: 20px; font-weight: 800; color: var(--gray-900); }
.booking-total-label { font-size: 12px; color: var(--gray-500); text-align: right; }
.booking-card__footer { padding: 12px 20px; background: var(--gray-50); display: flex; gap: 8px; align-items: center; justify-content: flex-end; border-top: 1px solid var(--gray-100); }

/* === SEARCH BAR (Homepage) === */
.search-hero { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%); padding: 80px 0 100px; position: relative; overflow: hidden; }
.search-hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.search-hero__content { position: relative; z-index: 1; text-align: center; max-width: 800px; margin: 0 auto 40px; }
.search-hero__title { font-family: var(--font-display); font-size: 48px; font-weight: 800; color: var(--white); margin-bottom: 12px; text-shadow: 0 2px 16px rgba(0,0,0,0.2); }
.search-hero__subtitle { font-size: 18px; color: rgba(255,255,255,0.85); }
.search-bar { background: var(--white); border-radius: var(--radius-lg); padding: 6px; box-shadow: var(--shadow-xl); display: grid; grid-template-columns: 1fr 200px 200px 140px; gap: 2px; max-width: 860px; margin: 0 auto; }
.search-field { padding: 8px 16px; display: flex; flex-direction: column; gap: 2px; border-right: 1px solid var(--gray-200); position: relative; }
.search-field:last-of-type { border-right: none; }
.search-field-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--gray-600); }
.search-field-input { background: none; border: none; outline: none; font-size: 15px; font-family: var(--font-sans); color: var(--gray-800); cursor: pointer; width: 100%; padding: 0; }

/* === SITE HEADER === */
.site-header { background: var(--primary); position: sticky; top: 0; z-index: 500; box-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; max-width: 1400px; margin: 0 auto; }
.site-logo { font-family: var(--font-display); font-size: 24px; font-weight: 800; color: var(--white); text-decoration: none; }
.site-logo span { color: var(--accent); }
.header-nav { display: flex; align-items: center; gap: 8px; }
.header-nav a { color: rgba(255,255,255,0.85); font-size: 14px; font-weight: 600; padding: 7px 14px; border-radius: var(--radius-md); transition: all var(--transition); text-decoration: none; }
.header-nav a:hover { background: rgba(255,255,255,0.12); color: var(--white); }
.header-nav .btn { margin-left: 4px; }

/* === SITE FOOTER === */
.site-footer { background: var(--gray-900); color: rgba(255,255,255,0.7); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.footer-brand span { color: var(--accent); }
.footer-desc { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.7; }
.footer-heading { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: rgba(255,255,255,0.9); margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.55); transition: color var(--transition); text-decoration: none; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; }

/* === ALERTS === */
.alert { padding: 14px 16px; border-radius: var(--radius-md); display: flex; align-items: flex-start; gap: 10px; font-size: 14px; margin-bottom: 16px; }
.alert--success { background: #e6f4ea; color: #1e4d2b; border-left: 4px solid var(--success); }
.alert--danger { background: #fce8e6; color: #7d1f1a; border-left: 4px solid var(--danger); }
.alert--info { background: #e8f0fe; color: #174ea6; border-left: 4px solid var(--primary-light); }
.alert--warning { background: #fef7e0; color: #704a00; border-left: 4px solid var(--warning); }

/* === LOADING === */
.loading-spinner { display: inline-block; width: 20px; height: 20px; border: 3px solid rgba(0,0,0,0.1); border-top-color: var(--primary-light); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton { background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-md); }
@keyframes shimmer { to { background-position: -200% 0; } }

/* === ROOM GRID === */
.room-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.room-card { border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition); cursor: pointer; background: var(--white); }
.room-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.room-card.selected { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(0,113,194,0.15); }
.room-card__img { height: 180px; width: 100%; object-fit: cover; background: var(--gray-200); }
.room-card__body { padding: 16px; }
.room-card__name { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.room-card__beds { font-size: 13px; color: var(--gray-500); margin-bottom: 8px; }
.room-card__price { font-size: 20px; font-weight: 800; color: var(--gray-900); }
.room-card__price-label { font-size: 12px; color: var(--gray-500); }
.room-amenities { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }

/* === NOTIFICATIONS === */
.toast-container { position: fixed; top: 80px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--white); border-radius: var(--radius-md); padding: 14px 18px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; min-width: 280px; border-left: 4px solid var(--primary-light); animation: slideIn 0.3s ease; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* === CALENDAR OCCUPANCY === */
.occupancy-bar { height: 8px; border-radius: var(--radius-full); background: var(--gray-200); overflow: hidden; }
.occupancy-fill { height: 100%; border-radius: var(--radius-full); transition: width 0.5s ease; }
.occupancy-fill.low { background: var(--success); }
.occupancy-fill.medium { background: var(--warning); }
.occupancy-fill.high { background: var(--danger); }

/* === BOOKING DETAIL === */
.booking-detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; }
.booking-summary-box { background: var(--gray-50); border-radius: var(--radius-lg); padding: 20px; border: 1.5px solid var(--gray-200); }
.price-breakdown { display: flex; flex-direction: column; gap: 8px; }
.price-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--gray-700); }
.price-row.total { font-weight: 800; font-size: 16px; color: var(--gray-900); padding-top: 8px; border-top: 1.5px solid var(--gray-300); }

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hotel-card { grid-template-columns: 220px 1fr; }
  .hotel-card__price { grid-column: 1 / -1; border-left: none; border-top: 1px solid var(--gray-100); flex-direction: row; align-items: center; justify-content: space-between; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .portal-sidebar { transform: translateX(-100%); }
  .portal-sidebar.open { transform: translateX(0); }
  .portal-content { margin-left: 0; }
  .portal-main { padding: 16px; }
  .hotel-card { grid-template-columns: 1fr; }
  .hotel-card__img { height: 200px; }
  .search-bar { grid-template-columns: 1fr; }
  .search-hero__title { font-size: 30px; }
  .mobile-menu-toggle { display: block; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .booking-detail-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .site-header__inner { padding: 12px 16px; }
  .header-nav a:not(.btn) { display: none; }
}