/* TinyTale App — Story generator UI */
:root {
  --white: #ffffff;
  --bg: #ffffff;
  --surface: #f8f9fa;
  --surface-2: #f1f3f5;
  --border: #e5e7eb;
  --border-light: #f0f0f0;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #9a9ab0;
  --text-faint: #c0c0d0;
  --violet: #7c3aed;
  --violet-light: #a78bfa;
  --violet-bg: #f5f3ff;
  --violet-border: #ddd6fe;
  --green: #22c55e;
  --green-bg: #f0fdf4;
  --green-border: #bbf7d0;
  --amber: #f59e0b;
  --red: #ef4444;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 14px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Model status badge */
.model-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: all 0.3s;
}

.model-status--loading {
  color: var(--amber);
  background: #fffbeb;
  border-color: #fde68a;
}

.model-status--ready {
  color: var(--green);
  background: var(--green-bg);
  border-color: var(--green-border);
}

.model-status--error {
  color: var(--red);
  background: #fef2f2;
  border-color: #fecaca;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.model-status--loading .status-dot {
  animation: pulse-dot 1.2s ease-in-out infinite;
}

.model-status--ready .status-dot {
  box-shadow: 0 0 5px rgba(34,197,94,0.4);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* Offline badge */
.offline-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

.hidden { display: none !important; }

/* Main container */
.app-container {
  padding-top: 70px;
  min-height: 100vh;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  padding-bottom: 48px;
}

/* Loading screen */
.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 70px);
  text-align: center;
}

.loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.loading-icon {
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.loading-headline {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.loading-sub {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
}

.loading-bar-wrap {
  width: 240px;
  height: 4px;
  background: var(--surface-2);
  border-radius: 4px;
  overflow: hidden;
}

.loading-bar {
  height: 100%;
  width: 0%;
  background: var(--violet);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.loading-progress {
  font-size: 13px;
  font-weight: 600;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

/* App UI */
.app-ui {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 32px;
}

/* Mode bar */
.mode-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 24px;
}

.mode-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.mode-tabs {
  display: flex;
  gap: 8px;
}

.mode-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--white);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
}

.mode-tab:hover {
  border-color: var(--violet-border);
  color: var(--violet);
}

.mode-tab.active {
  background: var(--violet-bg);
  border-color: var(--violet-border);
  color: var(--violet);
}

.mode-tab svg { flex-shrink: 0; }

/* Input area */
.input-area {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 24px;
}

.input-wrap {
  flex: 1;
}

.prompt-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  font-size: 14px;
  font-family: var(--font);
  color: var(--text-primary);
  resize: none;
  line-height: 1.55;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.prompt-input:focus {
  border-color: var(--violet-border);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.08);
}

.prompt-input::placeholder { color: var(--text-faint); }

.input-meta {
  display: flex;
  justify-content: flex-end;
  margin-top: 6px;
}

.char-count {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 400;
}

.generate-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--violet);
  color: white;
  font-size: 14px;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  font-family: var(--font);
  flex-shrink: 0;
  white-space: nowrap;
}

.generate-btn:hover { background: #6d28d9; }
.generate-btn:active { transform: scale(0.97); }
.generate-btn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

/* Output area */
.output-area {
  flex: 1;
  min-height: 300px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
  gap: 12px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.empty-icon { opacity: 0.6; }

.empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
}

.empty-sub {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.6;
}

/* Stories */
.stories-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.story-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s;
}

.story-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.story-card.streaming {
  border-color: var(--violet-border);
  box-shadow: 0 0 0 1px var(--violet-border), 0 2px 8px rgba(124,58,237,0.08);
}

.story-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.story-genre-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet);
  background: var(--violet-bg);
  border: 1px solid var(--violet-border);
  padding: 4px 10px;
  border-radius: 100px;
}

.story-badge {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 500;
  white-space: nowrap;
}

.story-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  line-height: 1.25;
}

.story-body {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  white-space: pre-wrap;
}

.story-cursor {
  display: inline-block;
  width: 2px;
  height: 14px;
  background: var(--violet);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: blink 0.9s step-end infinite;
}

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

.story-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.story-model-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 6px;
  font-weight: 500;
}

.story-offline-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--green);
  font-weight: 600;
}

/* Swarm cards */
.swarm-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

/* Fortune cookie */
.fortune-card {
  background: var(--violet-bg);
  border: 1px solid var(--violet-border);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}

.fortune-cookie-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.fortune-text {
  font-size: 18px;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.55;
  margin-bottom: 12px;
}

.fortune-source {
  font-size: 12px;
  color: var(--text-muted);
}

/* Privacy badge */
.privacy-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: var(--green);
  font-weight: 500;
  margin-top: 32px;
  padding: 10px 0;
}

/* Responsive */
@media (max-width: 640px) {
  .app-container { padding-left: 16px; padding-right: 16px; }
  .nav { padding: 12px 20px; }
  .mode-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .mode-tabs { flex-wrap: wrap; }
  .input-area { flex-direction: column; }
  .generate-btn { width: 100%; justify-content: center; }
  .swarm-container { grid-template-columns: 1fr; }
}