static/css/main.css

/* ─────────────────────────────────────────────────────────────
   ReviewLens AI — Zinc Dark + Green
   JetBrains Mono throughout. Green accent, no purple.
   ───────────────────────────────────────────────────────────── */

:root {
  --bg-base:       #0a0a0a;
  --bg-surface:    #111111;
  --bg-raised:     #181818;
  --bg-elevated:   #202020;

  --border:        rgba(255, 255, 255, 0.06);
  --border-hover:  rgba(0, 200, 83, 0.25);

  --text-primary:  #e8e8e8;
  --text-secondary:#888888;
  --text-muted:    #444444;

  --accent:        #00c853;
  --accent-dim:    rgba(0, 200, 83, 0.1);
  --accent-glow:   rgba(0, 200, 83, 0.3);

  --positive:      #00c853;
  --positive-dim:  rgba(0, 200, 83, 0.1);
  --neutral:       #ffd600;
  --neutral-dim:   rgba(255, 214, 0, 0.1);
  --negative:      #ff1744;
  --negative-dim:  rgba(255, 23, 68, 0.1);

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-main:    'Source Serif 4', Georgia, serif;

  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

/* subtle scanline texture — very faint */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  display: flex;
  gap: 3px;
  align-items: flex-end;
}

.logo-dot {
  width: 4px;
  border-radius: 1px;
  background: var(--accent);
  animation: bar-idle 2s ease-in-out infinite;
}

.logo-dot:nth-child(1) { height: 8px;  animation-delay: 0.0s; }
.logo-dot:nth-child(2) { height: 14px; animation-delay: 0.15s; }
.logo-dot:nth-child(3) { height: 10px; animation-delay: 0.3s; }

@keyframes bar-idle {
  0%, 100% { opacity: 0.4; transform: scaleY(0.8); }
  50%       { opacity: 1;   transform: scaleY(1); }
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0;
  color: var(--text-primary);
}

.logo-ai {
  color: var(--accent);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 7px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--transition);
  flex-shrink: 0;
}

.status-dot.ready   { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.status-dot.partial { background: var(--neutral); box-shadow: 0 0 8px rgba(255,214,0,0.4); }
.status-dot.error   { background: var(--negative); box-shadow: 0 0 8px rgba(255,23,68,0.4); }

.status-label {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* ── Main layout ── */
.main-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 80px;
  position: relative;
  z-index: 1;
}

/* ── Hero ── */
.hero {
  padding: 64px 0 48px;
}

.hero-eyebrow {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  max-width: 500px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.75;
  font-weight: 400;
}

/* ── Analyzer card ── */
.analyzer-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition);
}

.analyzer-card:focus-within {
  border-color: rgba(0, 200, 83, 0.2);
}

.input-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.char-count {
  letter-spacing: 0;
  text-transform: none;
  transition: color var(--transition);
}

.char-count.near-limit { color: var(--neutral); }
.char-count.at-limit   { color: var(--negative); }

.review-textarea {
  width: 100%;
  min-height: 150px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.7;
  padding: 14px 16px;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.review-textarea::placeholder { color: var(--text-muted); }

.review-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.input-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

.btn-primary,
.btn-secondary {
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 9px 18px;
  border: 1px solid transparent;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 7px;
  letter-spacing: 0.02em;
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}

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

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover:not(:disabled) {
  background: #00e564;
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-arrow {
  transition: transform var(--transition);
  display: inline-block;
}

.btn-primary:hover:not(:disabled) .btn-arrow {
  transform: translateX(3px);
}

/* ── Loading panel ── */
.loading-panel {
  margin-top: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.loading-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 24px;
}

.loading-bars span {
  display: block;
  width: 3px;
  border-radius: 1px;
  background: var(--accent);
  animation: bar-bounce 1s ease-in-out infinite;
}

.loading-bars span:nth-child(1) { height: 10px; animation-delay: 0.0s; }
.loading-bars span:nth-child(2) { height: 18px; animation-delay: 0.1s; }
.loading-bars span:nth-child(3) { height: 24px; animation-delay: 0.2s; }
.loading-bars span:nth-child(4) { height: 18px; animation-delay: 0.3s; }
.loading-bars span:nth-child(5) { height: 10px; animation-delay: 0.4s; }

@keyframes bar-bounce {
  0%, 100% { transform: scaleY(0.5); opacity: 0.4; }
  50%       { transform: scaleY(1.0); opacity: 1; }
}

.loading-text {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%   { content: ''; }
  25%  { content: '.'; }
  50%  { content: '..'; }
  75%  { content: '...'; }
  100% { content: ''; }
}

/* ── Error panel ── */
.error-panel {
  margin-top: 16px;
  background: rgba(255, 23, 68, 0.05);
  border: 1px solid rgba(255, 23, 68, 0.2);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.error-icon {
  font-size: 14px;
  flex-shrink: 0;
  padding-top: 1px;
}

.error-message {
  color: var(--negative);
  font-size: 12px;
  line-height: 1.5;
}

/* ── Results panel ── */
.results-panel {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  animation: fade-up 0.3s ease-out both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .results-panel { grid-template-columns: 1fr; }
}

.result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.result-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.result-card-label {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.model-tag {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0, 200, 83, 0.15);
  letter-spacing: 0.05em;
}

/* ── Sentiment badge ── */
.sentiment-badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.sentiment-badge.positive {
  color: var(--positive);
  background: var(--positive-dim);
  border: 1px solid rgba(0, 200, 83, 0.2);
}

.sentiment-badge.neutral {
  color: var(--neutral);
  background: var(--neutral-dim);
  border: 1px solid rgba(255, 214, 0, 0.2);
}

.sentiment-badge.negative {
  color: var(--negative);
  background: var(--negative-dim);
  border: 1px solid rgba(255, 23, 68, 0.2);
}

/* ── Confidence bars ── */
.confidence-heading {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.confidence-bars {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.conf-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.conf-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.conf-label { font-size: 11px; color: var(--text-secondary); }
.conf-score { font-size: 11px; font-weight: 600; color: var(--text-primary); }

.conf-track {
  height: 3px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
}

.conf-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.conf-fill.positive { background: var(--positive); }
.conf-fill.neutral  { background: var(--neutral); }
.conf-fill.negative { background: var(--negative); }

/* ── Summary card ── */
.summary-text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-primary);
  font-family: var(--font-main);
}

.summary-meta {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ── Examples ── */
.examples-section {
  margin-top: 40px;
}

.examples-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.examples-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.example-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 11px;
  padding: 7px 14px;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.example-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
}

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

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--accent); }

/* ── Scrollbar ── */
::-webkit-scrollbar              { width: 5px; }
::-webkit-scrollbar-track        { background: var(--bg-base); }
::-webkit-scrollbar-thumb        { background: var(--bg-elevated); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover  { background: var(--text-muted); }

#errorPanel[hidden],
#resultsPanel[hidden],
#loadingPanel[hidden],
#emptyPlaceholder[hidden],
#analysisMetaRow[hidden],
#keywordsSection[hidden] {
  display: none !important;
}

/* ── Placeholder Card (Empty State) ── */
.placeholder-card {
  background: var(--bg-surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  margin-top: 16px;
  animation: fade-up 0.3s ease-out both;
}

.placeholder-icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.8;
}

.placeholder-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.placeholder-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Loading Steps Checklist ── */
.loading-steps {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 280px;
  text-align: left;
}

.loading-step {
  font-size: 12px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition);
}

.loading-step.pending {
  color: var(--text-muted);
}

.step-icon {
  display: inline-block;
  min-width: 16px;
}

/* ── Analysis Timer Badge ── */
.analysis-meta-row {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

.time-badge {
  font-size: 11px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Sentiment Layout Grid ── */
.sentiment-layout-grid {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 16px;
  align-items: center;
}

@media (max-width: 500px) {
  .sentiment-layout-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Confidence Indicator Card ── */
.confidence-indicator-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.indicator-label {
  font-size: 9px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.indicator-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.indicator-badge {
  font-size: 9px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.indicator-badge.very-high {
  background: rgba(0, 200, 83, 0.15);
  color: var(--positive);
}

.indicator-badge.high {
  background: rgba(0, 200, 83, 0.08);
  color: var(--positive);
  opacity: 0.95;
}

.indicator-badge.moderate {
  background: rgba(255, 214, 0, 0.15);
  color: var(--neutral);
}

.indicator-badge.low {
  background: rgba(255, 23, 68, 0.15);
  color: var(--negative);
}

/* ── Highlight Keywords Section ── */
.keywords-section {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.keywords-heading {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.keywords-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.keyword-badge {
  font-size: 10px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.keyword-badge.positive {
  background: rgba(0, 200, 83, 0.12);
  color: var(--positive);
  border: 1px solid rgba(0, 200, 83, 0.15);
}

.keyword-badge.negative {
  background: rgba(255, 23, 68, 0.12);
  color: var(--negative);
  border: 1px solid rgba(255, 23, 68, 0.15);
}

.keyword-badge.neutral {
  background: rgba(255, 214, 0, 0.12);
  color: var(--neutral);
  border: 1px solid rgba(255, 214, 0, 0.15);
}

/* ── Model Info Section ── */
.model-info-section {
  margin-top: 48px;
}

.model-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}

.info-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
}

.info-item strong {
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 9px;
  letter-spacing: 0.05em;
}

.info-item span {
  color: var(--text-secondary);
}

/* ── Improved Summary Card Style (Item 18) ── */
#summaryCard {
  border: 1px solid rgba(0, 200, 83, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(24, 24, 24, 0.95) 100%);
  padding: 24px;
}

#summaryCard .summary-text {
  font-size: 14px;
  line-height: 1.8;
  color: #ffffff;
  font-family: system-ui, -apple-system, sans-serif;
  letter-spacing: 0.01em;
  padding: 6px 0;
  word-wrap: break-word;
}