/* SmartHotel Dashboard - Design System */
:root {
  --bg: #0a0a0f;
  --bg-subtle: #111118;
  --bg-card: #14141c;
  --bg-card-hover: #1a1a24;
  --surface: #1c1c28;
  --border: rgba(201, 169, 110, 0.12);
  --border-hover: rgba(201, 169, 110, 0.25);
  --text: #f0ebe3;
  --text-muted: #9a958d;
  --text-dim: #6b6762;
  --accent: #c9a96e;
  --accent-soft: rgba(201, 169, 110, 0.08);
  --error: #e05555;
  --success: rgba(110, 201, 130, 0.8);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Libre Franklin', Helvetica, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-weight: 300;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --- Layout --- */
.app-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.app-logo {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.app-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.app-user-name {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: border-color 0.2s, color 0.2s;
}
.btn-logout:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Login --- */
.login-container {
  max-width: 380px;
  margin: 15vh auto;
  padding: 0 1.5rem;
}

.login-title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  text-align: center;
  margin-bottom: 0.5rem;
}

.login-subtitle {
  color: var(--text-muted);
  text-align: center;
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus {
  border-color: var(--accent);
}
.form-input::placeholder {
  color: var(--text-muted);
}

.btn-login {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: opacity 0.2s;
}
.btn-login:hover { opacity: 0.9; }
.btn-login:disabled { opacity: 0.5; cursor: not-allowed; }

.login-error {
  color: var(--error);
  font-size: 0.8125rem;
  text-align: center;
  min-height: 1.2em;
}

/* --- Hotel Identity --- */
.hotel-identity {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.hotel-photo {
  width: 88px;
  height: 88px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hotel-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hotel-photo-placeholder {
  font-size: 2.5rem;
  opacity: 0.3;
  font-family: var(--font-display);
}

.hotel-info { flex: 1; }

.hotel-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.hotel-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.hotel-stars {
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.hotel-detail {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.hotel-detail-sep {
  color: var(--text-dim);
  font-size: 0.75rem;
}

.hotel-ratings {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.rating-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
}

.rating-source {
  color: var(--text-dim);
}

.rating-score {
  color: var(--text);
  font-weight: 500;
}

/* --- Pulse Strip (KPI Cards) --- */
.pulse-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.pulse-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  transition: border-color 0.2s;
}

.pulse-card:hover {
  border-color: var(--border-hover);
}

.pulse-card.pulse-locked {
  opacity: 0.4;
}

.pulse-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.pulse-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.pulse-value-locked {
  color: var(--text-dim);
}

.pulse-change {
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pulse-change.up { color: var(--success); }
.pulse-change.down { color: var(--error); }
.pulse-change.neutral { color: var(--text-muted); }

/* --- Hero Briefing Card --- */
.hero-briefing {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.hero-briefing-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.hero-card:hover {
  border-color: var(--border-hover);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.hero-time {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--accent);
  font-weight: 600;
}

.hero-wave {
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 14px;
}

.hero-wave span {
  width: 2px;
  background: var(--accent);
  border-radius: 1px;
  animation: wave 1.4s ease-in-out infinite;
}
.hero-wave span:nth-child(1) { height: 4px; animation-delay: 0s; }
.hero-wave span:nth-child(2) { height: 8px; animation-delay: 0.15s; }
.hero-wave span:nth-child(3) { height: 12px; animation-delay: 0.3s; }
.hero-wave span:nth-child(4) { height: 6px; animation-delay: 0.45s; }

@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.4); }
}

.hero-type {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.hero-insight {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.hero-insight.heading {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.hero-insight.label {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.hero-insight.alert {
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
  color: var(--text);
}

.hero-insight.action {
  color: var(--accent);
  font-weight: 500;
}

.hero-card-footer {
  padding: 0 1.5rem 1.25rem;
  display: flex;
  justify-content: flex-end;
}

.btn-view-full {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-family: var(--font-body);
  text-decoration: none;
  transition: all 0.2s;
}
.btn-view-full:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Dashboard sections --- */
.section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.section-date {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-bottom: 1.5rem;
}

/* --- Reports --- */
.reports-section {
  margin-bottom: 2rem;
}

.reports-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

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

.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.report-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.report-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.report-card-type {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.report-card-title {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
  color: var(--text);
}

.report-card-preview {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.report-card-date {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
  font-size: 0.9375rem;
}

/* --- Archive link --- */
.archive-link {
  text-align: center;
  padding: 1rem 0;
}

.btn-view-all {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.2s;
}
.btn-view-all:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Report Viewer --- */
.report-back {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.8125rem;
  display: inline-block;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.report-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.report-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.report-meta {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

/* --- Briefing Styles --- */
.briefing-line {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}

.briefing-heading {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
}

.briefing-label {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  margin-top: 1rem;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.briefing-review-good {
  border-left: 3px solid rgba(110, 201, 130, 0.4);
  padding-left: 0.75rem;
  color: var(--text-muted);
}

.briefing-review-bad {
  border-left: 3px solid rgba(201, 110, 110, 0.5);
  padding-left: 0.75rem;
  color: var(--text-muted);
}

.briefing-action {
  color: var(--accent);
  font-weight: 500;
}

.briefing-alert {
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

.briefing-intel {
  color: var(--text);
}

.briefing-divider-line {
  height: 1px;
  background: var(--border);
  margin: 0.75rem 0;
}

.briefing-table-wrap {
  margin: 0.5rem 0;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
}

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

.briefing-table th {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-weight: 500;
}

.briefing-table td {
  font-size: 0.8rem;
  padding: 0.45rem 0.75rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

/* --- Tabs --- */
.briefing-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-family: var(--font-body);
  transition: all 0.2s;
}
.tab-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}
.tab-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }

/* --- Loading --- */
.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .pulse-strip { grid-template-columns: repeat(2, 1fr); }
  .reports-grid { grid-template-columns: 1fr; }
  .hotel-identity { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .app-container { padding: 0 1rem 2rem; }
  .report-grid { grid-template-columns: 1fr; }
  .login-container { margin-top: 8vh; }
}

@media (max-width: 480px) {
  .pulse-strip { grid-template-columns: 1fr; }
  .hotel-name { font-size: 1.375rem; }
}