/* page.css — styles shared across synthetic.html and virality.html */

/* ── Page base ────────────────────────────────────────────────────────────── */

.page-body {
  background: #0a0a0a;
  min-height: 100vh;
}

/* Prevent CSS display properties from overriding the HTML hidden attribute */
[hidden] { display: none !important; }

/* ── Nav ──────────────────────────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(0, 0, 0, 0.85);
  border-bottom: 1px solid rgba(230, 48, 48, 0.2);
  backdrop-filter: blur(10px);
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--red);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--grey);
  transition: color 0.15s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--red);
}

/* ── Page layout ──────────────────────────────────────────────────────────── */

.page-main {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-header {
  text-align: center;
  margin-bottom: 0.5rem;
}

.page-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-sub {
  margin-top: 0.5rem;
  color: var(--grey);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Card ─────────────────────────────────────────────────────────────────── */

.card {
  background: #111111;
  border: 1px solid rgba(230, 48, 48, 0.15);
  border-radius: 10px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* ── Upload zone ──────────────────────────────────────────────────────────── */

#virality-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.upload-zone {
  border: 2px dashed rgba(230, 48, 48, 0.35);
  border-radius: 8px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--red);
  background: rgba(230, 48, 48, 0.05);
}

.upload-zone.has-file {
  border-color: var(--red);
  border-style: solid;
}

.upload-icon {
  font-size: 2rem;
  color: var(--red);
  opacity: 0.7;
}

.upload-label {
  color: var(--grey);
  font-size: 0.9rem;
}

.upload-hint {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
}

.video-preview {
  width: 100%;
  max-height: 200px;
  border-radius: 6px;
  object-fit: contain;
}

.upload-filename {
  font-size: 0.82rem;
  color: var(--red);
  font-weight: 600;
  min-height: 1em;
}

.link {
  cursor: pointer;
}

/* ── Full-width button ────────────────────────────────────────────────────── */

.btn-full {
  width: 100%;
  justify-content: center;
  padding: 0.85rem;
  font-size: 1rem;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── Result card ──────────────────────────────────────────────────────────── */

.result-card {
  gap: 1.5rem;
}

.result-verdict {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--red);
  letter-spacing: -0.01em;
}

.result-confidence {
  font-size: 0.88rem;
  color: var(--grey);
  margin-top: 0.2rem;
}

/* ── Probability bars (synthetic page) ───────────────────────────────────── */

.prob-bars {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.prob-row {
  display: grid;
  grid-template-columns: 110px 1fr 48px;
  align-items: center;
  gap: 0.75rem;
}

.prob-label {
  font-size: 0.82rem;
  color: var(--grey);
}

.prob-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
}

.prob-fill {
  height: 100%;
  background: var(--red);
  border-radius: 99px;
  width: 0%;
  transition: width 0.6s ease;
}

.prob-fill-real {
  background: #4ade80;  /* green for Real */
}

.prob-pct {
  font-size: 0.82rem;
  color: var(--white);
  text-align: right;
}

/* ── Score ring (virality page) ───────────────────────────────────────────── */

.result-score-wrap {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.score-ring {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.score-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.07);
  stroke-width: 8;
}

.ring-fill {
  fill: none;
  stroke: var(--red);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s ease;
}

.score-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.score-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--red);
}

.score-unit {
  font-size: 0.7rem;
  color: var(--grey);
  margin-top: 0.2rem;
}

.score-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* ── Feature bars (virality page) ────────────────────────────────────────── */

.features-section {
  margin-top: 0.5rem;
}

.features-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--grey);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.feat-row {
  display: grid;
  grid-template-columns: 160px 1fr 52px;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.feat-label {
  font-size: 0.8rem;
  color: var(--grey);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feat-track {
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
}

.feat-fill {
  height: 100%;
  background: var(--red);
  border-radius: 99px;
  width: 0%;
  transition: width 0.6s ease;
}

.feat-val {
  font-size: 0.78rem;
  color: var(--white);
  text-align: right;
}

/* ── Form fields (virality page) ─────────────────────────────────────────── */

.fields {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--grey);
  letter-spacing: 0.04em;
}

.field-optional {
  font-weight: 400;
  opacity: 0.6;
}

.field-input {
  background: #1a1a1a;
  border: 1px solid rgba(230, 48, 48, 0.2);
  border-radius: 6px;
  color: var(--white);
  font-size: 0.9rem;
  padding: 0.7rem 0.9rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
  font-family: var(--font);
}

.field-input:focus {
  border-color: var(--red);
}

select.field-input option {
  background: #1a1a1a;
}

/* ── Loading ──────────────────────────────────────────────────────────────── */

.loading {
  text-align: center;
  color: var(--grey);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
}

.loading-step {
  font-size: 0.82rem;
  color: var(--red);
  opacity: 0.85;
  min-height: 1.2em;
}

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

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

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(230, 48, 48, 0.2);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── LLM Explanation ─────────────────────────────────────────────────────── */

.explanation {
  font-size: 0.88rem;
  color: var(--grey);
  line-height: 1.7;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid rgba(230, 48, 48, 0.5);
  border-radius: 0 6px 6px 0;
}

/* ── Live log panel ──────────────────────────────────────────────────────── */

.log-panel {
  background: #0d0d0d;
  border: 1px solid rgba(230, 48, 48, 0.2);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-family: monospace;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  max-height: 160px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.log-panel-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.log-line {
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
}

.log-line.info  { color: rgba(255, 255, 255, 0.6); }
.log-line.warn  { color: #facc15; }
.log-line.error { color: var(--red); }

/* ── Error box ────────────────────────────────────────────────────────────── */

.error-box {
  background: rgba(230, 48, 48, 0.08);
  border: 1px solid rgba(230, 48, 48, 0.4);
  border-radius: 8px;
  color: var(--red);
  font-size: 0.88rem;
  padding: 1rem 1.25rem;
  line-height: 1.5;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  .field-row {
    grid-template-columns: 1fr;
  }

  .prob-row {
    grid-template-columns: 90px 1fr 40px;
  }

  .result-score-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 1rem;
  }
}