@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..40,400&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

:root {
  --black: #0a0a0a;
  --black-light: #111111;
  --white: #fafaf9;
  --gold: #c9a84c;
  --gold-light: #e8d48b;
  --gold-dim: rgba(201, 168, 76, 0.15);
  --gray: #737373;
  --gray-dark: #262626;
  --gray-medium: #404040;
  --gray-light: #a3a3a3;
  --green: #22c55e;
  --red: #ef4444;
  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.2s ease;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.2;
}

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
nav {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(201, 168, 76, 0.1);
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--gold);
  text-decoration: none;
}

.logo-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  margin-left: 2px;
  vertical-align: super;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--gold);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--gray-dark);
  color: var(--white);
  border: 1px solid var(--gray-medium);
}

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

.btn-ghost {
  background: transparent;
  color: var(--gray);
  padding: 8px 12px;
}

.btn-ghost:hover {
  color: var(--white);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

/* Cards */
.card {
  background: var(--black-light);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--black-light);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
}

.stat-value.gold { color: var(--gold); }
.stat-value.green { color: var(--green); }

/* Tables */
.table-wrap {
  overflow-x: auto;
}

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

th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--gray-dark);
}

td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid rgba(38, 38, 38, 0.5);
}

tr:hover td {
  background: rgba(201, 168, 76, 0.03);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-confirmed {
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
}

.badge-cancelled {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
}

.badge-completed {
  background: var(--gold-dim);
  color: var(--gold);
}

.badge-pending {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-light);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--black);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  transition: border-color var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-dim);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23737373' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* Utilization bar */
.util-bar {
  width: 100%;
  height: 8px;
  background: var(--gray-dark);
  border-radius: 4px;
  overflow: hidden;
}

.util-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
  background: var(--gold);
}

.util-fill.low { background: var(--green); }
.util-fill.mid { background: var(--gold); }
.util-fill.high { background: var(--red); }

/* Chat */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 120px);
  max-width: 700px;
  margin: 0 auto;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-msg {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: fadeIn 0.3s ease;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg.assistant {
  align-self: flex-start;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.chat-msg.assistant .chat-avatar {
  background: var(--gold-dim);
  color: var(--gold);
  border: 1px solid rgba(201, 168, 76, 0.3);
}

.chat-msg.user .chat-avatar {
  background: var(--gray-dark);
  color: var(--gray-light);
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.5;
}

.chat-msg.assistant .chat-bubble {
  background: var(--black-light);
  border: 1px solid var(--gray-dark);
  color: var(--white);
}

.chat-msg.user .chat-bubble {
  background: var(--gold);
  color: var(--black);
}

.chat-input-wrap {
  padding: 16px 0;
  border-top: 1px solid var(--gray-dark);
}

.chat-input-row {
  display: flex;
  gap: 12px;
}

.chat-input {
  flex: 1;
  padding: 14px 18px;
  background: var(--black-light);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  transition: border-color var(--transition);
}

.chat-input:focus {
  outline: none;
  border-color: var(--gold);
}

.chat-input::placeholder {
  color: var(--gray);
}

.chat-send {
  padding: 14px 24px;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: var(--radius);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.chat-send:hover {
  background: var(--gold-light);
}

.chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Booking confirmed card */
.booking-confirmed {
  background: rgba(34, 197, 94, 0.05);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 12px;
}

.booking-confirmed h4 {
  color: var(--green);
  font-size: 14px;
  margin-bottom: 8px;
}

/* Page header */
.page-header {
  padding: 32px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-subtitle {
  color: var(--gray);
  font-size: 14px;
  margin-top: 4px;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  color: var(--gray-light);
  margin-bottom: 8px;
}

/* Typing indicator */
.typing-dots {
  display: flex;
  gap: 4px;
  padding: 8px 0;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: var(--gray);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links { gap: 16px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .chat-msg { max-width: 95%; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 900;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--black-light);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius);
  padding: 28px;
  width: 90%;
  max-width: 480px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--gold);
}

/* Section divider */
.section-divider {
  height: 1px;
  background: var(--gray-dark);
  margin: 24px 0;
}

/* Time slot picker */
.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
}

.slot-btn {
  padding: 8px;
  background: var(--black);
  border: 1px solid var(--gray-dark);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.slot-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.slot-btn.selected {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.slot-btn.unavailable {
  opacity: 0.3;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  background: var(--gray-dark);
  border: 1px solid var(--gray-medium);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 14px;
  z-index: 2000;
  animation: slideUp 0.3s ease;
}

.toast.success {
  border-color: var(--green);
  background: rgba(34, 197, 94, 0.1);
}

.toast.error {
  border-color: var(--red);
  background: rgba(239, 68, 68, 0.1);
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-medium); }