/* flyingV 文案系統 - 全域樣式 */

:root {
  --primary: #5046e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --secondary: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --transition: all 0.15s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans TC', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
}

/* === Layout === */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--gray-900);
  color: white;
  padding: 24px 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--gray-700);
  margin-bottom: 16px;
}

.sidebar-logo h1 {
  font-size: 18px;
  font-weight: 700;
  color: white;
}

.sidebar-logo span {
  font-size: 12px;
  color: var(--gray-400);
}

.sidebar nav { padding: 0 12px; }

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--gray-300);
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  transition: var(--transition);
  margin-bottom: 2px;
}

.sidebar nav a:hover { background: var(--gray-700); color: white; }
.sidebar nav a.active { background: var(--primary); color: white; }

.sidebar nav a svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
}

.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
  max-width: 1200px;
}

/* === Page Header === */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.page-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
}

/* === Cards === */
.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--gray-100); color: var(--gray-700); border: 1px solid var(--gray-300); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* === Forms === */
.form-group { margin-bottom: 20px; }

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

.form-group label .optional {
  font-weight: 400;
  color: var(--gray-400);
  font-size: 12px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(80,70,229,0.1);
}

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

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

.form-section {
  margin-bottom: 32px;
}

.form-section h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
}

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

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

table th, table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
}

table th {
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-50);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

table tr:hover { background: var(--gray-50); }

/* === Badges === */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-draft { background: var(--gray-100); color: var(--gray-600); }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-completed { background: #dbeafe; color: #1e40af; }

/* === Streaming output === */
.output-area {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 300px;
  white-space: pre-wrap;
  font-size: 15px;
  line-height: 1.8;
  overflow-y: auto;
  max-height: 600px;
}

.output-area.streaming {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(80,70,229,0.1);
}

.cursor-blink::after {
  content: '|';
  animation: blink 1s step-end infinite;
  color: var(--primary);
}

@keyframes blink { 50% { opacity: 0; } }

/* === Conversation === */
.conversation {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  padding: 16px;
  border-radius: var(--radius);
  max-width: 85%;
}

.message-user {
  background: var(--primary-light);
  align-self: flex-end;
  border: 1px solid #c7d2fe;
}

.message-ai {
  background: white;
  align-self: flex-start;
  border: 1px solid var(--gray-200);
}

.message-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  margin-bottom: 6px;
}

/* === Skill selector === */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.skill-card {
  padding: 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.skill-card:hover { border-color: var(--primary); background: var(--primary-light); }
.skill-card.selected { border-color: var(--primary); background: var(--primary-light); }

.skill-card h4 { font-size: 14px; margin-bottom: 4px; }
.skill-card p { font-size: 12px; color: var(--gray-500); }

/* === Toast / Notification === */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--gray-900);
  color: white;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 1000;
  animation: slideUp 0.3s ease;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }

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

/* === Loading === */
.loading-spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* === Empty state === */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray-400);
}

.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: 16px; color: var(--gray-600); margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* === Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal {
  background: white;
  border-radius: 12px;
  padding: 32px;
  width: 90%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.modal h3 { margin-bottom: 16px; }

/* === Responsive === */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
}

/* === Utility === */
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 13px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.hidden { display: none !important; }