/* Admin Page Styles */
:root {
  --bg0: #f6f8fa;
  --bg1: #ffffff;
  --ink: #1b1f24;
  --ink-soft: #57606a;
  --ink-softer: #8b949e;
  --line: #d1d9e0;
  --cyan: #0077a8;
  --cyan-deep: #055980;
  --cyan-glow: rgba(0, 119, 168, 0.12);
  --paper: #ffffff;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  --radius: 8px;
  --danger: #c0392b;
  --danger-bg: #fce4ec;
  --success: #27ae60;
  --success-bg: #e8f5e9;
  --warning: #f39c12;
  --warning-bg: #fff8e1;
}

[data-theme="dark"] {
  --bg0: #0d1117;
  --bg1: #161b22;
  --ink: #e6edf3;
  --ink-soft: #8b949e;
  --ink-softer: #6e7681;
  --line: #30363d;
  --cyan: #58a6ff;
  --cyan-deep: #79c0ff;
  --cyan-glow: rgba(88, 166, 255, 0.12);
  --paper: rgba(22, 27, 34, 0.85);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  --danger-bg: rgba(198, 40, 40, 0.15);
  --success-bg: rgba(39, 174, 96, 0.15);
  --warning-bg: rgba(243, 156, 18, 0.15);
}

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

body {
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg0);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header - using shared styles from app.css */

.lang,
.theme-toggle {
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg0);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s;
}

.lang:hover,
.theme-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Main */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

/* Hero */
.hero {
  padding: 3rem 0 2rem;
}

.hero h1 {
  font-family: "Sora", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.lede {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 700px;
  line-height: 1.7;
}

/* Stage Filter */
.stage-filter {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.stage-btn {
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s;
}

.stage-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.stage-btn.is-active {
  background: var(--cyan);
  color: #fff;
  border-color: var(--cyan);
}

/* Prompts Grid */
.prompts-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Prompt Card */
.prompt-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color 0.2s;
}

.prompt-card.is-modified {
  border-left: 4px solid var(--warning);
}

.prompt-card.is-default {
  border-left: 4px solid var(--success);
}

.prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--bg0);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  user-select: none;
}

.prompt-header:hover {
  background: var(--cyan-glow);
}

.prompt-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.prompt-stage {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  background: var(--cyan);
  border-radius: 50%;
}

.prompt-meta {
  display: flex;
  flex-direction: column;
}

.prompt-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}

.prompt-desc {
  font-size: 0.8rem;
  color: var(--ink-softer);
}

.prompt-badges {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 4px;
}

.badge-default {
  background: var(--success-bg);
  color: var(--success);
}

.badge-modified {
  background: var(--warning-bg);
  color: var(--warning);
}

.prompt-toggle-icon {
  font-size: 0.8rem;
  color: var(--ink-softer);
  transition: transform 0.2s;
}

.prompt-card[open] .prompt-toggle-icon {
  transform: rotate(90deg);
}

/* Prompt Body */
.prompt-body {
  padding: 1.25rem;
}

.prompt-actions {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.btn {
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn.primary {
  background: var(--cyan);
  color: #fff;
  border-color: var(--cyan);
}

.btn.primary:hover {
  background: var(--cyan-deep);
}

.btn.danger {
  border-color: var(--danger);
  color: var(--danger);
}

.btn.danger:hover {
  background: var(--danger-bg);
}

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

.prompt-textarea {
  width: 100%;
  min-height: 300px;
  font-family: "JetBrains Mono", "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg0);
  color: var(--ink);
  resize: vertical;
  tab-size: 2;
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
}

.prompt-textarea:focus {
  outline: 2px solid var(--cyan);
  outline-offset: -1px;
}

.prompt-textarea.is-modified {
  border-color: var(--warning);
  background: var(--warning-bg);
}

[data-theme="dark"] .prompt-textarea.is-modified {
  background: rgba(243, 156, 18, 0.08);
}

.prompt-status {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--ink-softer);
  min-height: 1.2em;
}

.prompt-status.success {
  color: var(--success);
}

.prompt-status.error {
  color: var(--danger);
}

/* Char count */
.prompt-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
}

.char-count {
  font-size: 0.75rem;
  color: var(--ink-softer);
}

/* Reset row */
.reset-row {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--line);
  color: var(--ink-softer);
  font-size: 0.85rem;
}

.footer a {
  color: var(--cyan-deep);
  text-decoration: none;
  font-weight: 600;
  margin-right: 0.75rem;
}

.footer a:hover {
  text-decoration: underline;
}

/* Mobile */
@media (max-width: 768px) {
  main {
    padding: 1rem;
  }

  .hero {
    padding: 2rem 0 1.5rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .stage-filter {
    gap: 0.35rem;
  }

  .stage-btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.75rem;
  }

  .prompt-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .prompt-actions {
    flex-direction: column;
  }

  .prompt-textarea {
    min-height: 200px;
    font-size: 0.72rem;
  }
}