/* Prospeqt Spintax Generator - light theme
 * Tokens copied verbatim from tools/spam-checker/static/style.css
 * Phase 3 design contract (DESIGN.md sections 1-2 and 11-12)
 */

:root {
  /* Backgrounds */
  --bg: #f5f5f7;
  --bg-el: #ffffff;
  --bg-hov: #f0f0f2;
  --bg-sel: #e8eeff;
  --bg-code: #fafafc;

  /* Borders */
  --bd: #e0e0e4;
  --bd-s: #d0d0d4;

  /* Text */
  --tx1: #1a1a1a;
  --tx2: #6b6b6b;
  --tx3: #8a8a8e;

  /* Brand blue */
  --blue: #2756f7;
  --blue-h: #1679fa;
  --blue-d: #0a61d1;
  --blue-bg: rgba(39, 86, 247, 0.08);
  --blue-bd: rgba(39, 86, 247, 0.2);

  /* Semantic */
  --green: #1a8a3e;
  --green-bg: rgba(26, 138, 62, 0.08);
  --amber: #b87a00;
  --amber-bg: rgba(184, 122, 0, 0.08);
  --red: #c33939;
  --red-bg: rgba(195, 57, 57, 0.08);

  /* Shadows */
  --sh-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --sh: 0 0.6px 0.6px -1.25px rgba(0, 0, 0, 0.06),
        0 2.3px 2.3px -2.5px rgba(0, 0, 0, 0.05),
        0 10px 10px -3.75px rgba(0, 0, 0, 0.03);
  --sh-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --sh-blue: 0 2px 8px rgba(22, 121, 250, 0.2);

  /* Radii */
  --r-sm: 6px;
  --r: 10px;
  --r-lg: 12px;
}

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

html { font-size: 14px; }

body {
  background: var(--bg);
  color: var(--tx1);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* Focus rings (keyboard) */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--bg-el);
  border-bottom: 1px solid var(--bd);
}

.topbar-inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--tx1);
  letter-spacing: -0.03em;
  text-decoration: none;
}

.logo-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--blue-h) -23%, var(--blue-d) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--sh-blue);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-badge {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx3);
  border: 1px solid var(--bd);
  border-radius: var(--r-sm);
  padding: 3px 10px;
}

/* Cross-page topbar nav link (legacy, kept for back-compat) */
.batch-nav-link {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--tx2);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  transition: background 0.15s, color 0.15s;
}
.batch-nav-link:hover {
  background: var(--bg-hov);
  color: var(--tx1);
}

/* Unified topbar nav (used on /, /batch, /docs) */
.nav {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav a {
  padding: 8px 14px;
  border-radius: var(--r-sm);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--tx2);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.nav a:hover { background: var(--bg-hov); color: var(--tx1); }
.nav a.active { color: var(--blue); background: var(--blue-bg); }

@media (max-width: 720px) {
  .nav { gap: 0; }
  .nav a { padding: 6px 8px; font-size: 12px; }
}
@media (max-width: 480px) {
  .nav a.nav-external { display: none; }
  .logo { font-size: 15px; }
}

/* Headings */
h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--tx1);
  margin-bottom: 8px;
}

h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 32px 0 12px;
  color: var(--tx1);
}

.lead {
  color: var(--tx2);
  font-size: 15px;
  margin-bottom: 24px;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-h); text-decoration: underline; }

/* Forms */
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--tx3);
  margin-bottom: 8px;
  font-family: 'Space Mono', monospace;
}

textarea {
  width: 100%;
  min-height: 240px;
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  color: var(--tx1);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.65;
  padding: 16px;
  resize: vertical;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--sh-sm);
}

textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-bg);
}

textarea::placeholder { color: var(--tx3); }

textarea.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-bg);
}

/* Input meta row (platform + word count) */
.input-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  gap: 12px;
}

.platform-control {
  display: flex;
  align-items: center;
  gap: 10px;
}

.platform-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Segmented control (used for platform + output mode) */
.segmented,
.mode-toggle {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--bd);
  border-radius: var(--r-sm);
  padding: 2px;
  gap: 2px;
}

.seg-btn {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 5px;
  border: none;
  background: transparent;
  color: var(--tx2);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}

.seg-btn:hover {
  background: var(--bg-hov);
  color: var(--tx1);
}

.seg-btn--active,
.seg-btn[aria-pressed="true"] {
  background: var(--bg-el);
  color: var(--tx1);
  box-shadow: var(--sh-sm);
  font-weight: 600;
}

/* Input meta left group (platform + model pickers) */
.input-meta-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Segmented select (model picker, variant picker) */
.seg-select {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 28px 6px 12px;
  border-radius: 5px;
  border: 1px solid var(--bd);
  background: var(--bg);
  color: var(--tx1);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.seg-select:hover { border-color: var(--blue); }

.seg-select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 20px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--blue-h) -23%, var(--blue-d) 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  box-shadow: var(--sh-blue);
}

.btn:hover { opacity: 0.92; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--full {
  width: 100%;
  justify-content: center;
  min-height: 44px;
}

.btn-ghost {
  background: transparent;
  color: var(--tx2);
  border: 1px solid var(--bd);
  box-shadow: none;
  font-weight: 500;
}

.btn-ghost:hover {
  background: var(--bg-hov);
  color: var(--tx1);
  border-color: var(--bd-s);
  opacity: 1;
}

.btn-ghost--success {
  background: var(--green-bg);
  color: var(--green);
  border-color: rgba(26, 138, 62, 0.3);
  opacity: 1;
}

.btn-sm {
  min-height: 32px;
  padding: 0 14px;
  font-size: 12px;
}

.input-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  margin-top: 16px;
}

.cap-display {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx3);
  text-align: center;
  min-height: 16px;
}

.cap-display-text {
  display: inline-block;
}

/* Field error */
.field-error {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--red);
  font-size: 12px;
  margin-top: 8px;
  font-family: 'Inter', sans-serif;
}

.word-count {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--tx3);
  margin-left: auto;
}

/* Sections (input / progress / output) */
.input-section,
.progress-section,
.output-section {
  margin-top: 24px;
}

.input-section { margin-top: 8px; }

/* Progress card */
.progress-card {
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  box-shadow: var(--sh);
}

.progress-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.phase-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
}

.phase-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.phase-label {
  flex: 1;
  color: var(--tx3);
}

.phase-duration {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--tx3);
}

.phase-row--pending .phase-icon::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bd);
  opacity: 0.6;
  display: inline-block;
}

.phase-row--active .phase-label {
  color: var(--tx1);
  font-weight: 500;
}

.phase-row--done .phase-label {
  color: var(--tx2);
}

.phase-row--done .phase-icon {
  color: var(--green);
}

.phase-row--failed .phase-label {
  color: var(--red);
}

.phase-row--failed .phase-icon {
  color: var(--red);
}

.progress-meta {
  margin-top: 14px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx3);
  min-height: 14px;
}

.mono-stat {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx3);
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--blue-bg);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-white {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 8px;
  vertical-align: -2px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Output card */
.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.output-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.output-body {
  margin-bottom: 14px;
}

.spintax-output {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  line-height: 1.75;
  color: var(--tx1);
  background: var(--bg-code);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  padding: 20px;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
  min-height: 160px;
}

.preview-output {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.75;
  color: var(--tx1);
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  padding: 20px;
  white-space: pre-wrap;
  word-wrap: break-word;
  min-height: 160px;
}

.output-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.output-actions .word-count { margin-left: auto; }

/* Spintax block highlight */
.spintax-block {
  background: var(--blue-bg);
  border-radius: 4px;
  border: 1px solid var(--blue-bd);
  padding: 1px 2px;
  display: inline;
}

.spintax-chip {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 3px;
  vertical-align: middle;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.02em;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
}

.badge-green { background: var(--green-bg); color: var(--green); border: 1px solid rgba(26, 138, 62, 0.2); }
.badge-amber { background: var(--amber-bg); color: var(--amber); border: 1px solid rgba(184, 122, 0, 0.2); }
.badge-red   { background: var(--red-bg);   color: var(--red);   border: 1px solid rgba(195, 57, 57, 0.2); }
.badge-info  { background: var(--bg-hov);   color: var(--tx2);   border: 1px solid var(--bd); }

.badge.mono {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 400;
}

/* Badge as clickable button (QA issues) */
.badge-btn {
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 600;
  transition: opacity 0.15s;
}

.badge-btn:hover { opacity: 0.8; }

/* QA panel (inline below badges, shown on click) */
#qa-panel-slot {
  width: 100%;
}

.qa-panel {
  margin-top: 8px;
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-md);
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.5;
}

.qa-panel-empty {
  color: var(--tx3);
  margin: 0;
}

.qa-panel-section { margin-bottom: 10px; }
.qa-panel-section:last-child { margin-bottom: 0; }

.qa-panel-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  font-family: 'Space Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.qa-panel-label--error { color: var(--red); }
.qa-panel-label--warn  { color: var(--amber); }

.qa-panel-item {
  padding: 6px 10px;
  border-radius: 6px;
  margin-bottom: 4px;
  color: var(--tx1);
}

.qa-panel-item:last-child { margin-bottom: 0; }
.qa-panel-item--error { background: var(--red-bg); }
.qa-panel-item--warn  { background: var(--amber-bg); }

/* Cap banner (shown when daily cap hit) */
.cap-banner {
  padding: 12px 16px;
  background: var(--amber-bg);
  border: 1px solid rgba(184, 122, 0, 0.2);
  border-radius: var(--r-lg);
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--tx1);
}

.cap-banner strong {
  color: var(--tx1);
  font-weight: 600;
}

/* Error card (failed terminal state) */
.error-card {
  margin-top: 16px;
  padding: 18px 20px;
  background: var(--red-bg);
  border: 1px solid rgba(195, 57, 57, 0.2);
  border-radius: var(--r-lg);
  color: var(--tx1);
}

.error-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--red);
  margin-bottom: 6px;
}

.error-detail {
  font-size: 13px;
  color: var(--tx2);
  margin-bottom: 12px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  max-width: 320px;
  padding: 14px 16px;
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--tx1);
  z-index: 1000;
  animation: toast-slide-in 0.25s ease-out;
}

.toast[data-type="warn"] {
  border-color: rgba(184, 122, 0, 0.3);
  background: var(--amber-bg);
}

.toast[data-type="error"] {
  border-color: rgba(195, 57, 57, 0.3);
  background: var(--red-bg);
}

.toast-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.toast-message { flex: 1; }

.toast-close {
  background: transparent;
  border: none;
  color: var(--tx3);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
  line-height: 1;
}

.toast-close:hover { color: var(--tx1); }

@keyframes toast-slide-in {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Login page */
.login-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  padding: 40px 36px;
  width: 360px;
  max-width: calc(100vw - 48px);
  box-shadow: var(--sh-md);
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--tx1);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.login-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--tx2);
  text-align: center;
  margin-bottom: 24px;
}

input[type="password"] {
  width: 100%;
  height: 44px;
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  color: var(--tx1);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 0 16px;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--sh-sm);
}

input[type="password"]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-bg);
}

input[type="password"].error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-bg);
}

/* Footer */
.footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--bd);
  color: var(--tx3);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: 'Space Mono', monospace;
}

.footer a { color: var(--tx2); }
.footer a:hover { color: var(--blue); }

/* Tool switcher (Prospeqt shared component) */
.tool-switcher {
  position: relative;
  display: inline-flex;
}

.tool-switcher-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--bd);
  border-radius: 8px;
  color: var(--tx2);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tool-switcher-btn:hover {
  background: var(--bg-hov);
  color: var(--tx1);
  border-color: var(--bd-s);
}

.tool-switcher-btn[aria-expanded="true"] {
  background: var(--blue-bg);
  color: var(--blue);
  border-color: var(--blue);
}

.tool-switcher-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 280px;
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: 12px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  padding: 6px;
  z-index: 1000;
  display: none;
  font-family: 'Inter', sans-serif;
}

.tool-switcher-menu.is-open { display: block; }

.tool-switcher-header {
  font-size: 11px;
  font-weight: 600;
  color: var(--tx3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 12px 4px;
}

.tool-switcher-item {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  position: relative;
}

.tool-switcher-item + .tool-switcher-item { margin-top: 2px; }

.tool-switcher-item:hover {
  background: var(--bg-hov);
  text-decoration: none;
}

.tool-switcher-item--active,
.tool-switcher-item--active:hover { background: var(--blue-bg); }

.tool-switcher-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--tx1);
  margin-bottom: 2px;
}

.tool-switcher-item--active .tool-switcher-name { color: var(--blue); }

.tool-switcher-desc {
  display: block;
  font-size: 12px;
  color: var(--tx3);
  line-height: 1.4;
}

.tool-switcher-badge {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 9px;
  font-weight: 700;
  color: var(--blue);
  background: var(--bg-el);
  border: 1px solid var(--blue);
  border-radius: 4px;
  padding: 2px 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .spinner,
  .spinner-white {
    animation: none;
    border-style: dashed;
  }
  .toast { animation: none; }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* Tablet */
@media (max-width: 768px) {
  .container { padding: 24px 20px 60px; }
  textarea { min-height: 200px; }
}

/* Mobile */
@media (max-width: 600px) {
  .container { padding: 16px 16px 48px; }
  .topbar { padding: 12px 16px; }
  h1 { font-size: 20px; }
  textarea { min-height: 160px; font-size: 13px; }
  .input-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .word-count { margin-left: 0; }
  .output-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .output-actions { flex-wrap: wrap; }
  .output-actions .word-count { margin-left: 0; width: 100%; }
  .login-card { padding: 32px 24px; }
}

/* ==========================================================================
   Batch mode (multi-segment .md flow)
   Added when the single-page UI was unified to support both single-email
   and batch flows from the same /.
   ========================================================================== */

/* File upload row + mode indicator */
.upload-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.upload-btn-wrap {
  position: relative;
  display: inline-block;
}
/* Visually-hidden file input — keeps it accessible for label clicks (Safari
   blocks programmatic .click() on display:none inputs, but a label-wrapped
   visually-hidden input works natively). */
.upload-btn-wrap input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  clip: rect(0,0,0,0);
}
.upload-btn { cursor: pointer; }
.md-filename {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--tx3);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mode-indicator {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--bd);
  background: var(--bg);
  color: var(--tx2);
  margin-left: auto;
}
.mode-indicator[data-mode="batch"] {
  background: var(--blue-bg);
  border-color: var(--blue-bd);
  color: var(--blue);
}

/* Batch dry-run parsing spinner */
.parsing-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.parsing-title {
  font-weight: 600;
  font-size: 14px;
  margin: 0 0 4px 0;
}
.parsing-detail {
  font-size: 13px;
  color: var(--tx2);
  margin: 0;
}
.spinner-blue {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--blue-bg);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Confirm card */
.batch-confirm-card {
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--sh-sm);
}
.batch-confirm-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.batch-confirm-title {
  margin: 0;
  font-size: 18px;
  font-family: 'Space Grotesk', sans-serif;
}
.batch-confirm-stat {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--tx2);
  background: var(--bg);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--bd);
}

.batch-warnings {
  background: var(--amber-bg);
  border: 1px solid rgba(184, 122, 0, 0.2);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--tx1);
}
.batch-warnings ul {
  margin: 6px 0 0 0;
  padding-left: 20px;
}

.batch-segment-list {
  margin-bottom: 16px;
  max-height: 480px;
  overflow-y: auto;
}
.batch-section-group { margin-bottom: 18px; }
.batch-section-group:last-child { margin-bottom: 0; }
.batch-section-header {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--tx1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 6px 0;
  border-bottom: 1px solid var(--bd);
  margin-bottom: 6px;
}
.batch-section-meta {
  font-family: 'Space Mono', monospace;
  font-weight: 400;
  font-size: 11px;
  color: var(--tx3);
  text-transform: none;
  letter-spacing: 0;
  margin-left: 6px;
}
.batch-segment-rows {
  list-style: none;
  padding: 0;
  margin: 0;
}
.batch-segment-rows--flat { padding: 4px 0; }
.batch-seg-num {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx3);
  min-width: 28px;
  text-align: right;
  flex-shrink: 0;
}
.batch-seg-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 13px;
  gap: 10px;
}
.batch-seg-row:hover { background: var(--bg-hov); }
.batch-seg-name {
  flex: 1;
  color: var(--tx1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.batch-seg-emails {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx2);
  flex-shrink: 0;
}
.batch-seg-warn {
  font-size: 11px;
  color: var(--amber);
  flex-shrink: 0;
}

.batch-confirm-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.batch-confirm-actions .btn--full { flex: 1; }
.batch-confirm-note {
  margin: 12px 0 0 0;
  font-size: 12px;
  color: var(--tx3);
}

/* Batch progress card */
.batch-progress-card {
  background: var(--bg-el);
  border: 1px solid var(--bd);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--sh-sm);
}
.batch-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.batch-progress-title {
  margin: 0 0 4px 0;
  font-size: 18px;
  font-family: 'Space Grotesk', sans-serif;
}
.batch-progress-meta {
  margin: 0;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--tx2);
}
.batch-progress-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.batch-progress-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.batch-stat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--bd);
  background: var(--bg);
  color: var(--tx2);
}
.batch-stat strong {
  color: var(--tx1);
  font-weight: 600;
}
.batch-stat--done    { background: var(--green-bg); border-color: rgba(26,138,62,0.2); color: var(--green); }
.batch-stat--done strong   { color: var(--green); }
.batch-stat--running { background: var(--blue-bg); border-color: var(--blue-bd); color: var(--blue); }
.batch-stat--running strong { color: var(--blue); }
.batch-stat--retry   { background: var(--amber-bg); border-color: rgba(184,122,0,0.2); color: var(--amber); }
.batch-stat--retry strong  { color: var(--amber); }
.batch-stat--failed  { background: var(--red-bg); border-color: rgba(195,57,57,0.2); color: var(--red); }
.batch-stat--failed strong { color: var(--red); }

.batch-progress-bar-wrap {
  height: 8px;
  background: var(--bg);
  border: 1px solid var(--bd);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 16px;
}
.batch-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue-h), var(--blue));
  transition: width 0.4s ease;
}
.batch-progress-bar[data-status="done"]      { background: var(--green); }
.batch-progress-bar[data-status="failed"]    { background: var(--red); }
.batch-progress-bar[data-status="cancelled"] { background: var(--tx3); }

.batch-segment-progress {
  max-height: 360px;
  overflow-y: auto;
}
.batch-prog-seg {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px;
  font-size: 13px;
  border-bottom: 1px solid var(--bd);
}
.batch-prog-seg:last-child { border-bottom: none; }
.batch-prog-seg-num {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx3);
  width: 24px;
}
.batch-prog-seg-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--tx1);
}
.batch-prog-seg-bodies {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--tx2);
  flex-shrink: 0;
}

/* Admin-only controls. Hidden from normal users; revealed when
   body.admin-mode is set (toggle via ?admin=1 in the URL). Used for
   teammate A/B testing of the alpha vs beta_v1 spintax pipelines. */
.admin-only-control {
  display: none;
}
body.admin-mode .admin-only-control {
  display: flex;
}