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

:root {
  /* 1970s earth-tone palette */
  --bg-primary: #1c1710;
  --bg-secondary: #252017;
  --bg-tertiary: #302a1f;
  --bg-hover: #3b3327;
  --border: #4a3f30;
  --border-light: #5c4f3c;

  --text-primary: #f2e8d5;
  --text-secondary: #c4b49a;
  --text-muted: #8a7b65;

  --rust: #c0582e;
  --rust-soft: rgba(192, 88, 46, 0.14);
  --rust-border: rgba(192, 88, 46, 0.30);

  --avocado: #7a9a46;
  --avocado-soft: rgba(122, 154, 70, 0.14);
  --avocado-border: rgba(122, 154, 70, 0.30);

  --mustard: #c9952a;
  --mustard-soft: rgba(201, 149, 42, 0.14);
  --mustard-border: rgba(201, 149, 42, 0.30);

  --teal: #5a8f8a;
  --teal-soft: rgba(90, 143, 138, 0.14);

  --cream: #f2e8d5;
  --warm-white: #e8dcc8;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Libre Franklin', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
}

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

/* ---- Header ---- */
header {
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

header .logo {
  width: 36px;
  height: 36px;
  background: var(--rust-soft);
  border: 1px solid var(--rust-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rust);
}

header h1 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

header h1 span {
  color: var(--rust);
  font-style: italic;
}

.settings-toggle {
  margin-left: auto;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s;
}

.settings-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.api-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rust);
  transition: background 0.3s;
}

.api-status.connected { background: var(--avocado); }

/* ---- Footer ---- */
footer {
  padding: 10px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--text-muted);
  text-align: center;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

footer a {
  color: var(--mustard);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 149, 42, 0.3);
  transition: border-color 0.15s;
}

footer a:hover {
  border-color: var(--mustard);
}

.footer-sep { color: var(--border-light); }

/* ---- Layout ---- */
.app-layout {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* ---- Sidebar ---- */
.sidebar {
  width: 0;
  overflow: hidden;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  transition: width 0.25s ease;
  flex-shrink: 0;
}

.sidebar.open { width: 340px; }

.sidebar-inner {
  width: 340px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sidebar h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
  letter-spacing: 0.01em;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-group label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.field-group input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 12px;
  border-radius: 5px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.15s;
}

.field-group input:focus { border-color: var(--mustard); }
.field-group input::placeholder { color: var(--text-muted); }

.field-group .hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-style: italic;
}

.save-key-btn {
  background: var(--rust);
  color: var(--cream);
  border: none;
  padding: 10px;
  border-radius: 5px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.save-key-btn:hover { opacity: 0.85; }

.key-saved-msg {
  display: none;
  padding: 8px 12px;
  background: var(--avocado-soft);
  border: 1px solid var(--avocado-border);
  border-radius: 5px;
  font-size: 0.78rem;
  color: var(--avocado);
}

.key-saved-msg.visible { display: block; }

.sidebar-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 14px;
  background: var(--bg-tertiary);
  border-radius: 5px;
  border-left: 3px solid var(--border-light);
  font-style: italic;
}

/* ---- Main content ---- */
.main-content {
  flex: 1;
  display: flex;
  min-width: 0;
}

/* ---- Upload panel ---- */
.upload-panel {
  width: 420px;
  min-width: 340px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.panel-header {
  padding: 14px 22px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.02em;
}

.drop-zone {
  margin: 20px;
  padding: 48px 24px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--rust);
  background: var(--rust-soft);
}

.drop-zone.dragover { transform: scale(1.01); }

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  background: var(--rust-soft);
  border: 1px solid var(--rust-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rust);
}

.drop-zone p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.drop-zone p strong {
  color: var(--rust);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.drop-zone .hint {
  font-size: 0.75rem;
  margin-top: 8px;
  color: var(--text-muted);
  font-style: italic;
}

/* Image preview */
.image-preview-wrap {
  flex: 1;
  margin: 0 20px 20px;
  display: none;
  flex-direction: column;
  min-height: 0;
}

.image-preview-wrap.visible { display: flex; }

.image-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.image-header .file-icon { color: var(--rust); flex-shrink: 0; }
.image-header .file-details { flex: 1; min-width: 0; }

.image-header .file-name {
  font-weight: 500;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.image-header .file-meta {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.image-header .remove-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.image-header .remove-btn:hover { color: var(--rust); }

.image-container {
  flex: 1;
  overflow: auto;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.image-container img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.analyze-btn {
  margin-top: 14px;
  padding: 13px;
  background: var(--rust);
  color: var(--cream);
  border: none;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s;
  letter-spacing: 0.01em;
}

.analyze-btn:hover { opacity: 0.85; }
.analyze-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.analyze-btn .btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(242, 232, 213, 0.3);
  border-top-color: var(--cream);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

.analyze-btn.loading .btn-spinner { display: block; }

/* ---- Results panel ---- */
.results-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.results-toolbar {
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.verdict-badge {
  display: none;
  padding: 5px 16px;
  border-radius: 5px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
}

.verdict-badge.visible { display: inline-block; }

.verdict-badge.clean {
  background: var(--avocado-soft);
  color: var(--avocado);
  border: 1px solid var(--avocado-border);
}

.verdict-badge.minor {
  background: var(--mustard-soft);
  color: var(--mustard);
  border: 1px solid var(--mustard-border);
}

.verdict-badge.major {
  background: var(--rust-soft);
  color: var(--rust);
  border: 1px solid var(--rust-border);
}

.issue-count {
  display: none;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-style: italic;
}

.issue-count.visible { display: inline; }

.results-area {
  flex: 1;
  overflow: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.results-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
}

.results-placeholder svg {
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  opacity: 0.25;
}

.results-placeholder p {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-style: italic;
}

.results-placeholder em {
  color: var(--rust);
}

/* Summary card */
.summary-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
}

.summary-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--cream);
}

.summary-card .summary-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Flaw cards */
.flaw-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.15s;
}

.flaw-card:hover { border-color: var(--border-light); }

.flaw-card-header {
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.severity-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
}

.severity-dot.high { background: var(--rust); }
.severity-dot.medium { background: var(--mustard); }
.severity-dot.low { background: var(--teal); }
.severity-dot.info { background: var(--text-muted); }

.flaw-card-title { flex: 1; }

.flaw-card-title h4 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 3px;
  color: var(--cream);
}

.flaw-card-title .flaw-category {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  font-style: italic;
}

.severity-label {
  font-size: 0.68rem;
  font-weight: 600;
  font-family: var(--font-body);
  padding: 3px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.severity-label.high { background: var(--rust-soft); color: var(--rust); }
.severity-label.medium { background: var(--mustard-soft); color: var(--mustard); }
.severity-label.low { background: var(--teal-soft); color: var(--teal); }
.severity-label.info { background: rgba(138, 123, 101, 0.15); color: var(--text-secondary); }

.flaw-card-body {
  display: none;
  padding: 0 20px 18px 42px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.flaw-card.open .flaw-card-body { display: block; }

.flaw-card-body .explanation { margin-bottom: 12px; }

.flaw-card-body .suggestion {
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: 5px;
  border-left: 3px solid var(--avocado);
  font-size: 0.82rem;
  line-height: 1.6;
}

.flaw-card-body .suggestion strong {
  color: var(--avocado);
  font-family: var(--font-body);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chevron {
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-top: 3px;
}

.flaw-card.open .chevron { transform: rotate(180deg); }

/* Score ring */
.score-ring-wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 10px 0;
}

.score-ring {
  position: relative;
  width: 76px;
  height: 76px;
}

.score-ring svg { transform: rotate(-90deg); }

.score-ring circle {
  fill: none;
  stroke-width: 5;
}

.score-ring .ring-bg { stroke: var(--border); }

.score-ring .ring-fg {
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}

.score-ring .ring-fg.good { stroke: var(--avocado); }
.score-ring .ring-fg.okay { stroke: var(--mustard); }
.score-ring .ring-fg.bad { stroke: var(--rust); }

.score-ring .score-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
}

.score-ring .score-label.good { color: var(--avocado); }
.score-ring .score-label.okay { color: var(--mustard); }
.score-ring .score-label.bad { color: var(--rust); }

.score-breakdown {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.score-breakdown span {
  font-weight: 600;
  color: var(--cream);
}

/* Error toast */
.error-toast {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #2d1b14;
  border: 1px solid var(--rust-border);
  color: var(--rust);
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 0.85rem;
  max-width: 440px;
  z-index: 200;
  animation: slideUp 0.3s ease;
}

.error-toast.visible { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }