/* ── CSS Variables（Light mode / 預設） ─────────────────────────────── */
:root {
  --bg-page:      #F5F7F6;
  --bg-card:      #FFFFFF;
  --bg-input:     #F8FAF9;
  --border:       #E6EAE8;
  --border-focus: #0F7B61;
  --text-primary: #1F2937;
  --text-muted:   #6B7280;
  --text-sub:     #9CA3AF;
  --accent:       #0F7B61;
  --accent-hover: #0D6B54;
  --accent-soft:  rgba(15,123,97,0.08);
  --success:      #059669;
  --warning:      #D97706;
  --danger:       #DC2626;
  --tag-bg:       #ECFDF5;
  --tag-text:     #065F46;
  --radius:       10px;
  --shadow-sm:    0 1px 4px rgba(0,0,0,0.05);
  --shadow-md:    0 4px 20px rgba(0,0,0,0.08);
}

/* ── Dark mode ────────────────────────────────────────────────────────── */
html.dark {
  --bg-page:      #0D1117;
  --bg-card:      #161B22;
  --bg-input:     #1C2128;
  --border:       #30363D;
  --border-focus: #2DA06E;
  --text-primary: #E6EDF3;
  --text-muted:   #8B949E;
  --text-sub:     #6E7681;
  --accent:       #2DA06E;
  --accent-hover: #3AB87E;
  --accent-soft:  rgba(45,160,110,0.1);
  --success:      #3FB950;
  --warning:      #D29922;
  --danger:       #F85149;
  --tag-bg:       #1A3A2A;
  --tag-text:     #3FB950;
  --shadow-sm:    0 1px 4px rgba(0,0,0,0.25);
  --shadow-md:    0 4px 24px rgba(0,0,0,0.45);
}

/* ── Reset ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Root layout ──────────────────────────────────────────────────────── */
#root { min-height: 100vh; display: flex; flex-direction: column; }

/* ── App Header ───────────────────────────────────────────────────────── */
.app-header {
  height: 56px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  z-index: 10;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-logo-mark {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  flex-shrink: 0;
  letter-spacing: -1px;
}
.header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.header-tagline {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.2;
}

/* ── App Body ─────────────────────────────────────────────────────────── */
.app-body {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(320px, 30%) 1fr;
  height: calc(100vh - 56px);
  overflow: hidden;
}

.panel-left {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--bg-card);
}

.panel-right {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-page);
}

/* ── Panel sections ───────────────────────────────────────────────────── */
.panel-section {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.panel-section:last-child { border-bottom: none; }
.panel-section-main { flex-shrink: 0; }

.section-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-optional {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1px 8px;
}
.section-helper {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.5;
}

/* ── Textarea ─────────────────────────────────────────────────────────── */
textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.7;
  padding: 12px 14px;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea::placeholder { color: var(--text-sub); }

/* ── Upload zone（Card 風格，無虛線） ─────────────────────────────────── */
.upload-zone {
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.upload-zone input[type="file"] { display: none; }
.upload-icon  { font-size: 24px; margin-bottom: 6px; opacity: 0.5; }
.upload-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.upload-hint  { font-size: 11px; color: var(--text-muted); }

/* ── File chips ───────────────────────────────────────────────────────── */
.file-list { margin-top: 10px; display: flex; flex-direction: column; gap: 5px; }
.file-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 12px;
  box-shadow: var(--shadow-sm);
}
.file-chip .file-name {
  flex: 1;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-chip .file-size { color: var(--text-muted); flex-shrink: 0; }
.file-chip .btn-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
  transition: color 0.15s;
}
.file-chip .btn-remove:hover { color: var(--danger); }

/* ── CTA 按鈕 ─────────────────────────────────────────────────────────── */
.btn-submit {
  width: 100%;
  padding: 14px 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: 0.2px;
}
.btn-submit:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px rgba(15,123,97,0.35);
  transform: translateY(-1px);
}
.btn-submit:active:not(:disabled) { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.45; cursor: not-allowed; }

.spinner {
  width: 15px; height: 15px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Right canvas ─────────────────────────────────────────────────────── */
.right-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px;
  overflow: hidden;
  gap: 16px;
}

/* ── Canvas 初始狀態（未生成） ────────────────────────────────────────── */
.canvas-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 48px 24px;
}
.canvas-hero { text-align: center; }
.canvas-hero-icon {
  font-size: 52px;
  display: block;
  margin-bottom: 20px;
  opacity: 0.12;
}
.canvas-hero-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.canvas-hero-sub {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 440px;
  line-height: 1.65;
  margin: 0 auto;
}
.canvas-chips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  width: 100%;
  max-width: 560px;
}
.canvas-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 10px 12px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s, background 0.15s;
  font-family: inherit;
  text-align: center;
}
.canvas-chip:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 4px 14px rgba(15,123,97,0.15);
  transform: translateY(-2px);
}
.canvas-chip:active { transform: translateY(0); }
.canvas-chip-icon  { font-size: 22px; line-height: 1; }
.canvas-chip-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  white-space: nowrap;
}
.canvas-hint-text {
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 0.2px;
}

/* ── Trace live（生成中） ─────────────────────────────────────────────── */
.trace-live {
  flex: 1;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 0;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}
.trace-live-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.trace-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.trace-live-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── 步驟卡片 ─────────────────────────────────────────────────────────── */
.trace-card {
  border-left: 3px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--bg-input);
  padding: 10px 14px;
  animation: slideIn 0.25s ease both;
}
.trace-card.running { border-left-color: var(--accent); }
.trace-card.done    { border-left-color: var(--success); }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.trace-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.step-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.action-badge {
  font-size: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 3px;
  padding: 1px 6px;
}

/* ── Trace compact（完成後折疊） ──────────────────────────────────────── */
details.react-trace-compact {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-card);
}
details.react-trace-compact summary {
  padding: 10px 16px;
  cursor: pointer;
  background: var(--bg-card);
  font-size: 12px;
  color: var(--text-muted);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
details.react-trace-compact summary::-webkit-details-marker { display: none; }
.chevron { display: inline-block; transition: transform 0.2s; }
details[open] .chevron { transform: rotate(90deg); }
.trace-steps-compact {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 260px;
  overflow-y: auto;
}

/* 共用 trace 文字 */
.thought-block        { margin-bottom: 4px; }
.thought-header       { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
.thought-icon         { font-size: 13px; }
.thought-source-tag   { font-size: 10px; padding: 1px 6px; border-radius: 4px; font-weight: 600; letter-spacing: 0.3px; }
.thought-source-tag.thinking   { background: #7c3aed22; color: #7c3aed; border: 1px solid #7c3aed44; }
.thought-source-tag.text       { background: #0ea5e922; color: #0ea5e9; border: 1px solid #0ea5e944; }
.thought-text         { color: var(--text-muted); font-size: 12px; white-space: pre-wrap; }
.thought-toggle       { background: none; border: none; cursor: pointer; color: var(--accent); font-size: 11px; padding: 2px 0; margin-top: 2px; display: block; }
.thought-toggle:hover { text-decoration: underline; }
.action-text     { color: var(--warning); font-family: monospace; font-size: 12px; margin-bottom: 3px; word-break: break-all; }
.obs-block       { margin-top: 2px; }
.obs-text        { color: var(--text-primary); font-size: 12px; white-space: pre-wrap; word-break: break-all; }

/* ── Output area ──────────────────────────────────────────────────────── */
.output-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  gap: 12px;
}
.output-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.template-tag {
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: monospace;
}
.btn-group { display: flex; gap: 8px; }
.btn-icon {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.btn-icon.copied { border-color: var(--success); color: var(--success); }

.code-scroll {
  flex: 1;
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}
.code-scroll pre { margin: 0; }
.code-scroll pre code { font-family: 'Cascadia Code', 'Fira Code', monospace; font-size: 13px; }

/* ── Error banner ─────────────────────────────────────────────────────── */
.error-banner {
  background: rgba(220,38,38,0.06);
  border: 1px solid rgba(220,38,38,0.25);
  border-radius: var(--radius);
  color: var(--danger);
  padding: 10px 14px;
  font-size: 13px;
  flex-shrink: 0;
}

/* ── Saved path ───────────────────────────────────────────────────────── */
.saved-path { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
.saved-path span { color: var(--success); }

/* ── Progress bar ─────────────────────────────────────────────────────── */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.progress-bar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.5s ease;
}
.progress-fill.done {
  background: var(--success);
  transition: width 0.3s ease, background 0.3s ease;
}
.progress-label {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 72px;
}

/* ── Trace spinner & dot animation ───────────────────────────────────── */
.trace-spinner {
  display: inline-block;
  width: 10px; height: 10px;
  border: 1.5px solid var(--accent-soft);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}
.dot-anim {
  display: inline-block;
  animation: dots 1.2s steps(3, end) infinite;
  letter-spacing: 3px;
  color: var(--accent);
}
@keyframes dots {
  0%   { clip-path: inset(0 67% 0 0); }
  33%  { clip-path: inset(0 33% 0 0); }
  67%  { clip-path: inset(0 0   0 0); }
  100% { clip-path: inset(0 67% 0 0); }
}

/* ── Loading hint ─────────────────────────────────────────────────────── */
.loading-hint {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
  flex-shrink: 0;
}
.large-spinner {
  width: 20px !important;
  height: 20px !important;
  border: 2.5px solid var(--accent-soft) !important;
  border-top-color: var(--accent) !important;
}

/* ── Settings dropdown（Header 右上角浮動面板） ──────────────────────── */
.settings-dropdown-wrap {
  position: relative;
}
.settings-dropdown-trigger {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  position: relative;
  transition: border-color 0.15s, color 0.15s;
}
.settings-dropdown-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.settings-dropdown-trigger.warn {
  border-color: var(--warning);
  color: var(--warning);
}
.settings-warn-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warning);
  border: 1.5px solid var(--bg-card);
}

.settings-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-md);
  z-index: 200;
  animation: fadeDown 0.15s ease;
}
@keyframes fadeDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.settings-panel-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.settings-row { display: flex; flex-direction: column; gap: 6px; }
.settings-field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.apikey-warn-msg {
  font-size: 11px;
  color: var(--warning);
  margin-top: 4px;
}

/* ── API Key ──────────────────────────────────────────────────────────── */
.apikey-saved-badge {
  margin-left: 6px;
  font-size: 11px;
  color: var(--success);
  font-weight: 600;
}
.apikey-row { display: flex; gap: 8px; align-items: center; }
.apikey-input {
  flex: 1;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: monospace;
  font-size: 13px;
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.15s;
}
.apikey-input:focus { border-color: var(--border-focus); }
.apikey-btn {
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.apikey-btn:hover:not(:disabled) { background: var(--accent-hover); }
.apikey-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.apikey-btn-clear {
  padding: 8px 10px;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.apikey-btn-clear:hover { border-color: var(--danger); color: var(--danger); }
.apikey-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.apikey-link { color: var(--accent); text-decoration: none; }
.apikey-link:hover { text-decoration: underline; }
.apikey-notice { font-size: 11px; color: var(--success); margin-top: 4px; }

/* ── Model select ─────────────────────────────────────────────────────── */
.model-select {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
  appearance: auto;
}
.model-select:focus { border-color: var(--border-focus); }
.model-select:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Header right ─────────────────────────────────────────────────────── */
.header-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.header-email {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
}
.header-btn {
  background: none;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  padding: 5px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
  transition: border-color 0.15s, color 0.15s;
}
.header-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Toast ────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  z-index: 9999;
  animation: toastIn 0.3s ease;
  box-shadow: var(--shadow-md);
}
.toast-success { background: var(--accent); color: #fff; }
.toast-info    { background: var(--bg-card); color: var(--accent); border: 1px solid var(--border); }
.toast-error   { background: rgba(220,38,38,0.92); color: #fff; }
@keyframes toastIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ── Login page ───────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #e8f5ee 0%, #d4ecdf 50%, #c8e6d4 100%);
  transition: background 0.3s;
}
.login-page.dark {
  background: linear-gradient(135deg, #0a1f14 0%, #0d2a1a 50%, #071810 100%);
}

.login-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
}
.login-logo { display: flex; align-items: center; gap: 10px; }
.login-logo-icon {
  font-size: 24px;
  background: #1a7f4e;
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.login-logo-name { font-size: 15px; font-weight: 700; color: #1a7f4e; }
.login-logo-sub  { font-size: 11px; color: #556070; }
.login-page.dark .login-logo-name { color: #3fb950; }
.login-page.dark .login-logo-sub  { color: #8b949e; }

.login-theme-btn {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 12px;
  cursor: pointer;
  color: #1a2332;
  transition: background 0.2s;
}
.login-page.dark .login-theme-btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  color: #e6edf3;
}

.login-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
  padding: 40px 40px 60px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  align-items: start;
}

.login-badge {
  display: inline-block;
  border: 1.5px solid #1a7f4e;
  color: #1a7f4e;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.login-page.dark .login-badge { border-color: #3fb950; color: #3fb950; }

.login-headline {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  color: #1a2332;
  margin-bottom: 32px;
}
.login-page.dark .login-headline { color: #e6edf3; }

.login-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.login-step-card {
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  padding: 16px;
  backdrop-filter: blur(8px);
}
.login-page.dark .login-step-card {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}
.login-step-label { font-size: 10px; font-weight: 700; color: #1a7f4e; letter-spacing: 1px; margin-bottom: 6px; }
.login-step-title { font-size: 15px; font-weight: 700; color: #1a2332; margin-bottom: 6px; }
.login-step-desc  { font-size: 12px; color: #556070; line-height: 1.5; }
.login-page.dark .login-step-title { color: #e6edf3; }
.login-page.dark .login-step-desc  { color: #8b949e; }

.login-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 16px;
  padding: 28px 28px 32px;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
}
.login-page.dark .login-card {
  background: rgba(22,27,34,0.95);
  border-color: rgba(255,255,255,0.1);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}
.login-card-label { font-size: 10px; font-weight: 700; color: #1a7f4e; letter-spacing: 1.5px; margin-bottom: 6px; }
.login-card-title { font-size: 24px; font-weight: 800; color: #1a2332; margin-bottom: 4px; }
.login-page.dark .login-card-title { color: #e6edf3; }
.login-card-hint  { font-size: 13px; color: #556070; margin-bottom: 20px; }
.login-hint-val   { color: #1a7f4e; font-weight: 700; }
.login-page.dark .login-card-hint { color: #8b949e; }
.login-page.dark .login-hint-val  { color: #3fb950; }

.login-field-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #556070;
  margin-bottom: 8px;
}
.login-page.dark .login-field-label { color: #8b949e; }

.login-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #d1d9e0;
  border-radius: 10px;
  font-size: 14px;
  background: #f8fafc;
  color: #1a2332;
  outline: none;
  transition: border-color 0.15s;
}
.login-input:focus { border-color: #1a7f4e; }
.login-page.dark .login-input {
  background: #1c2128;
  border-color: #30363d;
  color: #e6edf3;
}
.login-page.dark .login-input:focus { border-color: #3fb950; }

.login-google-wrap {
  min-height: 44px;
  display: flex;
  align-items: center;
}
.login-google-wrap.disabled { pointer-events: none; }
.login-google-placeholder {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #d1d9e0;
  border-radius: 10px;
  font-size: 13px;
  color: #8b949e;
  text-align: center;
  background: #f8fafc;
}
.login-page.dark .login-google-placeholder {
  background: #1c2128;
  border-color: #30363d;
}

.login-btn-primary {
  width: 100%;
  padding: 13px;
  background: #1a7f4e;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s;
}
.login-btn-primary:hover:not(:disabled) { background: #156b40; }
.login-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.login-spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
.login-error {
  margin-top: 12px;
  font-size: 12px;
  color: #dc2626;
  background: rgba(220,38,38,0.07);
  border: 1px solid rgba(220,38,38,0.2);
  border-radius: 8px;
  padding: 8px 12px;
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .app-body {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }
  .panel-left  { border-right: none; border-bottom: 1px solid var(--border); }
  .panel-right { min-height: 60vh; overflow: visible; }
  .right-content { overflow: visible; }
}