:root {
  --navy: #0f1f33;
  --navy-light: #1a2d47;
  --navy-dark: #0a1628;
  --gold: #f59e0b;
  --gold-hover: #d97706;
  --cream: #faf8f6;
  --white: #ffffff;
  --green: #22c55e;
  --red: #ef4444;
  --orange: #f97316;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-100);
  color: var(--gray-900);
  line-height: 1.6;
}

h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; font-weight: 700; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Login page */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
}

.login-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-card h1 {
  color: var(--navy);
  font-size: 28px;
  margin-bottom: 8px;
}

.login-card .subtitle {
  color: var(--gray-500);
  margin-bottom: 32px;
  font-size: 15px;
}

.login-card .brand {
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: block;
}

input, textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}

input:focus, textarea:focus { border-color: var(--gold); }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: var(--gold-hover); }
.btn-approve { background: var(--green); color: white; }
.btn-approve:hover { opacity: 0.9; }
.btn-edit { background: var(--gold); color: var(--navy); }
.btn-edit:hover { background: var(--gold-hover); }
.btn-redo { background: var(--red); color: white; }
.btn-redo:hover { opacity: 0.9; }
.btn-outline { background: transparent; border: 2px solid var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { border-color: var(--navy); color: var(--navy); }
.btn-full { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* Dashboard */
.topbar {
  background: var(--navy);
  color: white;
  padding: 16px 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar .logo {
  color: var(--gold);
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 700;
}

.topbar .client-name { font-size: 15px; color: var(--gray-300); }

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
  padding-bottom: 48px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h2 { font-size: 18px; }
.card-body { padding: 24px; }

/* Approval items */
.approval-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: background 0.15s;
}

.approval-item:hover { background: var(--gray-100); }
.approval-item:last-child { border-bottom: none; }

.approval-item .badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-editing { background: #dbeafe; color: #1e40af; }
.badge-approved { background: #dcfce7; color: #166534; }
.badge-edits-requested { background: #fed7aa; color: #9a3412; }
.badge-redo { background: #fecaca; color: #991b1b; }
.badge-new { background: var(--gold); color: var(--navy); animation: pulse 2s infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }

.approval-item .info { flex: 1; }
.approval-item .info h3 { font-size: 16px; margin-bottom: 4px; }
.approval-item .info p { font-size: 14px; color: var(--gray-500); }
.approval-item .deadline { font-size: 13px; color: var(--gray-500); white-space: nowrap; }
.approval-item .deadline.urgent { color: var(--red); font-weight: 600; }

/* Detail modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
  background: var(--white);
  border-radius: var(--radius);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 10;
}

.modal-header h2 { font-size: 20px; }
.modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--gray-500); padding: 4px; }
.modal-body { padding: 24px; }

/* Chat */
.chat-container {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  max-height: 400px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
}

.chat-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.chat-msg.user {
  align-self: flex-end;
  background: var(--navy);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-msg.assistant {
  align-self: flex-start;
  background: var(--gray-100);
  color: var(--gray-900);
  border-bottom-left-radius: 4px;
}

.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--gray-200);
}

.chat-input-bar input {
  flex: 1;
  border: 1px solid var(--gray-300);
  padding: 10px 14px;
}

.chat-input-bar button {
  padding: 10px 20px;
  background: var(--gold);
  color: var(--navy);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

/* Action buttons row */
.actions-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* Preview area */
.preview-frame {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
}

.preview-frame iframe {
  width: 100%;
  height: 500px;
  border: none;
}

/* Stats cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: center;
}

.stat-card .number { font-size: 32px; font-weight: 700; color: var(--navy); }
.stat-card .label { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.stat-card .change { font-size: 13px; margin-top: 8px; }
.stat-card .change.up { color: var(--green); }
.stat-card .change.down { color: var(--red); }

/* Loading spinner */
.spinner { display: inline-block; width: 20px; height: 20px; border: 3px solid var(--gray-300); border-top-color: var(--gold); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state { text-align: center; padding: 48px 24px; color: var(--gray-500); }
.empty-state h3 { margin-bottom: 8px; color: var(--gray-700); }

/* Responsive */
@media (max-width: 640px) {
  .login-card { padding: 32px 24px; }
  .modal { margin: 12px; }
  .actions-row { flex-direction: column; }
  .actions-row .btn { width: 100%; }
}