/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --bg-2: #111118;
  --bg-3: #1a1a24;
  --border: #2a2a3a;
  --text: #f0f0f5;
  --text-2: #9090a8;
  --text-3: #6060780;
  --accent: #6366f1;
  --accent-hover: #4f52e0;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --verified: #22c55e;
  --verified-bg: rgba(34, 197, 94, 0.1);
  --questionable: #f59e0b;
  --questionable-bg: rgba(245, 158, 11, 0.1);
  --incorrect: #ef4444;
  --incorrect-bg: rgba(239, 68, 68, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: white;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--text); }

/* ── Buttons ── */
.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  font-family: 'Inter', sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  font-family: 'Inter', sans-serif;
}

.btn-outline:hover { border-color: var(--accent); background: var(--accent-glow); }
.btn-full { width: 100%; justify-content: center; }

/* ── Hero ── */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner { max-width: 720px; margin: 0 auto; position: relative; }

.hero-badge {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid rgba(99,102,241,0.3);
  color: #a5b4fc;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text);
}

.hero-highlight {
  background: linear-gradient(135deg, #6366f1, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta { padding: 14px 28px; font-size: 16px; }

/* ── Checker ── */
.checker-section {
  padding: 40px 24px 80px;
}

.checker-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.checker-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.checker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}

.checker-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
}

.checker-counter {
  font-size: 13px;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.checker-textarea {
  width: 100%;
  min-height: 200px;
  background: transparent;
  border: none;
  outline: none;
  padding: 16px 24px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--text);
  resize: vertical;
  line-height: 1.7;
}

.checker-textarea::placeholder { color: var(--text-2); }

.checker-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-3);
}

.checker-limit {
  font-size: 13px;
  color: var(--text-2);
}

/* ── Loader ── */
.btn-loader {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
.hidden { display: none !important; }

/* ── Results ── */
.results {
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeUp 0.4s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Verdict Card */
.verdict-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.verdict-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.verdict-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.verdict-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.verdict-value {
  font-size: 22px;
  font-weight: 700;
}

.verdict-summary {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* Verdict states */
.verdict-trusted .verdict-icon { background: var(--verified-bg); }
.verdict-trusted .verdict-value { color: var(--verified); }
.verdict-questionable .verdict-icon { background: var(--questionable-bg); }
.verdict-questionable .verdict-value { color: var(--questionable); }
.verdict-unreliable .verdict-icon { background: var(--incorrect-bg); }
.verdict-unreliable .verdict-value { color: var(--incorrect); }

/* Claims */
.claims-section {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.claims-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.claims-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.claim-item {
  border-radius: var(--radius-sm);
  padding: 16px;
  border: 1px solid transparent;
}

.claim-item.verified {
  background: var(--verified-bg);
  border-color: rgba(34,197,94,0.2);
}

.claim-item.questionable {
  background: var(--questionable-bg);
  border-color: rgba(245,158,11,0.2);
}

.claim-item.incorrect {
  background: var(--incorrect-bg);
  border-color: rgba(239,68,68,0.2);
}

.claim-top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}

.claim-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

.verified .claim-badge { background: var(--verified-bg); color: var(--verified); }
.questionable .claim-badge { background: var(--questionable-bg); color: var(--questionable); }
.incorrect .claim-badge { background: var(--incorrect-bg); color: var(--incorrect); }

.claim-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

.claim-explanation {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  padding-left: 0;
}

/* Tip */
.tip-card {
  background: var(--accent-glow);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.tip-icon { font-size: 20px; flex-shrink: 0; }

.tip-text {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}

/* Error */
.error-box {
  background: var(--incorrect-bg);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: #fca5a5;
}

/* ── How it works ── */
.how-section { padding: 80px 24px; background: var(--bg-2); }

.section-inner { max-width: 1000px; margin: 0 auto; text-align: center; }

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 17px;
  color: var(--text-2);
  margin-bottom: 56px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  text-align: left;
}

.step {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.step-number {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.step-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}

/* ── Pricing ── */
.pricing-section { padding: 80px 24px; }

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 680px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}

.pricing-card-pro {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-2) 0%, rgba(99,102,241,0.05) 100%);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-plan {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.pricing-price {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.pricing-price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-2);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.pricing-features li {
  font-size: 14px;
  color: var(--text-2);
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 24px;
  text-align: center;
}

.footer-inner { max-width: 600px; margin: 0 auto; }

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 13px;
  color: var(--text-2);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .nav-links { gap: 16px; }
  .nav-link { display: none; }
  .hero { padding: 72px 20px 60px; }
  .checker-footer { flex-direction: column; gap: 12px; align-items: stretch; }
  .checker-footer .btn-primary { justify-content: center; }
}
/* ── Auth Pages ── */
.auth-section {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.auth-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.auth-sub {
  font-size: 15px;
  color: var(--text-2);
}

.auth-fields {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.field-input {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 15px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

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

.field-input::placeholder {
  color: var(--text-2);
}

.auth-error {
  font-size: 13px;
  color: var(--incorrect);
  min-height: 18px;
}

.auth-switch {
  text-align: center;
  font-size: 14px;
  color: var(--text-2);
  margin-top: 24px;
}

.auth-switch a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-switch a:hover {
  text-decoration: underline;
}

/* ── Success Box ── */
.success-box {
  text-align: center;
  padding: 16px 0;
}

.success-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.success-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.success-sub {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* ── Save Prompt ── */
.save-prompt {
  background: var(--accent-glow);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.save-prompt p {
  font-size: 14px;
  color: var(--text-2);
}

/* ── Nav email ── */
.nav-email {
  font-size: 13px;
  color: var(--text-2);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── History Page ── */
.history-section {
  padding: 60px 24px;
  min-height: calc(100vh - 64px);
}

.history-inner {
  max-width: 760px;
  margin: 0 auto;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.history-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.history-sub {
  font-size: 14px;
  color: var(--text-2);
  margin-top: 4px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.history-card:hover {
  border-color: var(--accent);
}

.history-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.history-verdict {
  font-size: 13px;
  font-weight: 600;
  text-transform: capitalize;
}

.verdict-trusted { color: var(--verified); }
.verdict-questionable { color: var(--questionable); }
.verdict-unreliable { color: var(--incorrect); }

.history-date {
  font-size: 12px;
  color: var(--text-2);
}

.history-text {
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 8px;
  line-height: 1.6;
}

.history-summary {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.loading-text, .empty-text {
  text-align: center;
  color: var(--text-2);
  font-size: 15px;
  padding: 48px 0;
}