/* ==============================================================================
 * Sanatan Story Studio - Frontend Stylesheet (Phase 4)
 * ============================================================================== */

:root {
  --bg-primary:    #0f141c;
  --bg-surface:    #18202c;
  --bg-card:       #1e293b;
  --border-color:  #334155;
  --text-primary:  #f8fafc;
  --text-secondary: #94a3b8;
  --accent-saffron: #f97316;
  --accent-gold:   #eab308;
  --accent-blue:   #38bdf8;
  --success:       #22c55e;
  --danger:        #ef4444;
  --warn-bg:       rgba(234,179,8,0.1);
  --warn-border:   rgba(234,179,8,0.35);
  --error-bg:      rgba(239,68,68,0.1);
  --error-border:  rgba(239,68,68,0.35);
  --focus-ring:    0 0 0 3px rgba(249,115,22,0.5);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Focus styles ──────────────────────────────────────────────────────────── */
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 4px; }

/* ── Header ────────────────────────────────────────────────────────────────── */
.app-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo .symbol { font-size: 1.75rem; }
.logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #f97316, #eab308);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-badge {
  font-size: 0.8rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--accent-blue);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
}

/* ── Main content ──────────────────────────────────────────────────────────── */
#main-content {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  flex: 1;
  width: 100%;
}

.view { }

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.2rem;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.2s, opacity 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn.primary { background-color: var(--accent-saffron); color: #fff; }
.btn.primary:hover:not(:disabled) { background-color: #ea580c; }

.btn.secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn.secondary:hover:not(:disabled) { background-color: #334155; }

.btn.danger { background-color: var(--danger); color: #fff; }
.btn.danger:hover:not(:disabled) { background-color: #dc2626; }

.btn.accent {
  background: linear-gradient(135deg, #f97316, #eab308);
  color: #0f141c;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(249,115,22,0.25);
}
.btn.accent:hover:not(:disabled) {
  opacity: 0.95;
  box-shadow: 0 4px 12px rgba(249,115,22,0.4);
}

.btn-link {
  background: none;
  border: none;
  color: var(--accent-blue);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0.2rem 0.4rem;
}
.btn-link:hover { text-decoration: underline; }

/* ── Badges ────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.status-badge               { background: rgba(234,179,8,0.15); color: var(--accent-gold);    border: 1px solid var(--warn-border); }
.status-validated           { background: rgba(34,197,94,0.15); color: #4ade80;               border: 1px solid rgba(34,197,94,0.3); }
.status-rejected            { background: var(--error-bg);      color: #fca5a5;               border: 1px solid var(--error-border); }
.status-ready-to-render     { background: rgba(56,189,248,0.1); color: var(--accent-blue);    border: 1px solid rgba(56,189,248,0.3); }
.status-completed           { background: rgba(34,197,94,0.15); color: #4ade80;               border: 1px solid rgba(34,197,94,0.3); }
.status-preparing           { background: rgba(148,163,184,0.1);color: var(--text-secondary); border: 1px solid #334155; }
.status-waiting-for-images  { background: rgba(234,179,8,0.15); color: var(--accent-gold);    border: 1px solid var(--warn-border); }
.status-rendering           { background: rgba(249,115,22,0.15);color: var(--accent-saffron); border: 1px solid rgba(249,115,22,0.3); }
.status-failed              { background: var(--error-bg);      color: #fca5a5;               border: 1px solid var(--error-border); }
.status-pending             { background: rgba(148,163,184,0.1);color: var(--text-secondary); border: 1px solid #334155; }
.status-queued              { background: rgba(56,189,248,0.15); color: var(--accent-blue);   border: 1px solid rgba(56,189,248,0.3); }
.status-cleaned             { background: rgba(34,197,94,0.15);  color: #4ade80;              border: 1px solid rgba(34,197,94,0.3); }
.render-badge               { margin-left: 0.4rem; }
.cleanup-badge              { margin-left: 0.4rem; }

/* ── Dashboard toolbar ─────────────────────────────────────────────────────── */
.dashboard-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.dashboard-toolbar h2 { font-size: 1.5rem; }

.toolbar-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-input, .filter-select {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.55rem 0.9rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}
.search-input::placeholder { color: var(--text-secondary); }
.filter-select { cursor: pointer; }
.search-input:focus, .filter-select:focus { border-color: var(--accent-saffron); outline: none; }

/* ── Episode list ──────────────────────────────────────────────────────────── */
.episode-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.episode-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s;
}
.episode-card:hover { border-color: var(--accent-saffron); }

.episode-card-body { flex: 1; }
.episode-card-title { font-size: 1.05rem; margin-bottom: 0.2rem; }
.episode-card-id    { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
.episode-card-topic { font-size: 0.85rem; color: var(--text-secondary); }

.episode-card-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ── Episode detail ────────────────────────────────────────────────────────── */
.detail-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.episode-id-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
}
.detail-header h2 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.detail-topic  { color: var(--accent-gold); font-size: 0.9rem; margin-bottom: 0.25rem; }
.detail-desc   { color: var(--text-secondary); font-size: 0.875rem; }
.detail-status-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
}
.detail-status { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: flex-end; }
.detail-production-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: flex-end; }

/* ── Delivery meta & status banner ────────────────────────────────────────── */
.delivery-meta { margin-top: 1rem; }
.delivery-box {
  border-radius: 8px;
  padding: 0.85rem 1.1rem;
  font-size: 0.9rem;
}
.delivery-box.success {
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.35);
  color: #86efac;
}
.delivery-box.error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: #fca5a5;
}
.delivery-box code {
  background: rgba(0,0,0,0.3);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: #fff;
  font-family: monospace;
}
.delivery-note {
  margin-top: 0.35rem;
  font-size: 0.825rem;
  color: var(--text-secondary);
}

.section-heading { font-size: 1.1rem; margin-bottom: 1rem; color: var(--text-secondary); }

/* ── Upload code section ───────────────────────────────────────────────────── */
.upload-code-section h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.upload-code-section p  { color: var(--text-secondary); font-size: 0.875rem; margin-bottom: 0.75rem; }
.upload-code-actions    { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.info-note { font-size: 0.8rem; color: var(--text-secondary); }

/* ── Scene list ────────────────────────────────────────────────────────────── */
#detail-scene-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.25rem;
}

.scene-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.1rem;
}

.scene-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.scene-number { font-weight: 700; color: var(--accent-gold); font-size: 0.9rem; }
.scene-id     { font-family: monospace; font-size: 0.72rem; color: var(--text-secondary); flex: 1; }
.scene-title  { font-size: 0.95rem; margin-bottom: 0.3rem; }
.scene-desc   { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 0.6rem; }

.prompt-box { margin-bottom: 0.75rem; }
.prompt-box label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.prompt-text {
  font-size: 0.8rem;
  color: #cbd5e1;
  background-color: #0b1017;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 0.6rem;
  max-height: 80px;
  overflow-y: auto;
  user-select: all;
  margin-bottom: 0.3rem;
}

.scene-image-area { margin-top: 0.75rem; }
.validation-error { font-size: 0.8rem; color: #fca5a5; margin-bottom: 0.6rem; }

.upload-area { display: flex; flex-direction: column; gap: 0.5rem; }
.progress-wrap { display: flex; align-items: center; gap: 0.5rem; }
.upload-progress { flex: 1; height: 8px; }
.progress-pct { font-size: 0.75rem; color: var(--text-secondary); min-width: 2.5rem; text-align: right; }
.upload-feedback { font-size: 0.8rem; }
.upload-feedback .ok  { color: var(--success); }
.upload-feedback .err { color: var(--danger); }

/* ── Readiness panel ───────────────────────────────────────────────────────── */
#readiness-panel h3 { font-size: 1rem; margin-bottom: 0.6rem; }
#readiness-panel p  { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
#readiness-panel .ok   { color: var(--success); font-weight: 600; }
#readiness-panel .warn { color: var(--accent-gold); font-weight: 600; }

/* ── Error / empty states ──────────────────────────────────────────────────── */
.error-state {
  color: #fca5a5;
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: 8px;
  padding: 1.25rem;
  font-size: 0.9rem;
}
.empty-state {
  color: var(--text-secondary);
  padding: 2rem;
  text-align: center;
  font-size: 0.9rem;
}

/* ── Modals ────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 1rem;
}
.modal-overlay[hidden] { display: none; }

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  max-width: 520px;
  width: 100%;
}
.modal-box h2 { font-size: 1.15rem; margin-bottom: 1rem; }

.modal-box label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  margin-top: 0.75rem;
  text-transform: uppercase;
}
.modal-box input, .modal-box textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.9rem;
}
.modal-box input:focus, .modal-box textarea:focus {
  outline: none;
  border-color: var(--accent-saffron);
}
.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
}

/* Upload code modal */
.warn-banner {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  color: var(--accent-gold);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.code-display-wrap {
  background: #0b1017;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  word-break: break-all;
}
.code-display {
  font-family: monospace;
  font-size: 0.78rem;
  color: #67e8f9;
  user-select: all;
}
.meta-line { font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 0.3rem; }

/* ── Image preview overlay ─────────────────────────────────────────────────── */
.image-preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 600;
}
.preview-inner {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
}
.preview-img {
  max-width: 95vw;
  max-height: 90vh;
  border-radius: 6px;
  display: block;
}
.btn-close-preview {
  position: absolute;
  top: -1.5rem;
  right: 0;
  background: rgba(255,255,255,0.1);
  border: none;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}
.btn-close-preview:hover { background: rgba(255,255,255,0.2); }

/* ── Toast notifications ───────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 1000;
  max-width: 380px;
}
.toast {
  padding: 0.75rem 1.1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}
.toast.toast-visible { opacity: 1; transform: translateY(0); }
.toast-success { background: rgba(34,197,94,0.2); border: 1px solid rgba(34,197,94,0.5); color: #4ade80; }
.toast-error   { background: var(--error-bg);       border: 1px solid var(--error-border); color: #fca5a5; }
.toast-info    { background: rgba(56,189,248,0.1);  border: 1px solid rgba(56,189,248,0.3); color: var(--accent-blue); }

/* ── Login view & Header actions ─────────────────────────────────────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.login-card {
  max-width: 440px;
  margin: 3rem auto;
  padding: 2.25rem 2rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.login-subtext {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.login-form .form-group {
  margin-bottom: 1.25rem;
}

.login-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.login-form input[type="text"],
.login-form input[type="password"] {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
  border-color: var(--accent-saffron);
}

.login-error {
  background-color: var(--error-bg);
  border: 1px solid var(--error-border);
  color: #fca5a5;
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.btn.small {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* ── Footer ────────────────────────────────────────────────────────────────── */
.app-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  text-align: center;
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-header { padding: 0.75rem 1rem; }
  #main-content { padding: 0 1rem; margin: 1rem auto; }
  .dashboard-toolbar { flex-direction: column; align-items: flex-start; }
  .toolbar-controls { width: 100%; }
  .search-input { flex: 1; min-width: 0; }
  .episode-list { grid-template-columns: 1fr; }
  #detail-scene-list { grid-template-columns: 1fr; }
  .detail-header { flex-direction: column; }
  .modal-box { padding: 1.25rem; }
}

@media (max-width: 480px) {
  .logo h1 { font-size: 1.1rem; }
  .header-badge { display: none; }
  .episode-card-actions { flex-direction: column; }
}