:root {
  --bg: #0A0A0A;
  --bg-card: #111111;
  --bg-hover: #1A1A1A;
  --green: #22C55E;
  --green-dark: #16A34A;
  --green-dim: rgba(34,197,94,0.12);
  --orange: #F59E0B;
  --orange-dim: rgba(245,158,11,0.15);
  --red: #EF4444;
  --text: #FFFFFF;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  --border: #1F1F1F;
  --border-light: #2A2A2A;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-dark); }

/* ═══ Header ═══ */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
}
.header-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; font-weight: 800; font-size: 1.25rem;
  color: var(--text); letter-spacing: -0.02em; flex-shrink: 0;
}
.logo .logo-icon {
  width: 34px; height: 34px; background: var(--green); border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 800; color: #000;
}
.logo span { color: var(--green); }
.logo-text { display: block; }
.logo-tagline { display: block; font-size: 0.68rem; font-weight: 400; color: var(--text-dim); letter-spacing: 0; }
.green { color: var(--green); }

/* Navigation */
.main-nav {
  display: flex; align-items: center; gap: 4px;
}
.nav-link {
  color: var(--text-muted); font-size: 0.85rem; font-weight: 500;
  padding: 6px 12px; border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text); background: var(--bg-hover); }
.nav-link.active { color: var(--green); background: var(--green-dim); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--border);
  color: var(--text); font-size: 1.2rem; padding: 4px 8px; border-radius: 6px;
  cursor: pointer;
}

.header-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

@media (max-width: 840px) {
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-card); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 12px 1.5rem; gap: 2px; z-index: 200;
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 10px 12px; width: 100%; }
  .nav-toggle { display: block; }
}

/* Credits badge */
.credits-badge {
  background: var(--green-dim); border: 1px solid rgba(34,197,94,0.25);
  border-radius: 20px; padding: 5px 14px; font-size: 0.78rem;
  font-weight: 600; color: var(--green); white-space: nowrap;
}

/* Auth buttons */
.btn-signin {
  background: var(--green); color: #000; border: none; border-radius: 20px;
  padding: 6px 18px; font-size: 0.82rem; font-weight: 700; cursor: pointer;
  transition: background 0.2s;
}
.btn-signin:hover { background: var(--green-dark); }
.btn-user {
  background: var(--bg-card); color: var(--text); border: 1px solid var(--border-light);
  border-radius: 20px; padding: 6px 14px; font-size: 0.82rem; font-weight: 600;
  cursor: pointer; transition: background 0.2s; display: flex; align-items: center; gap: 6px;
}
.btn-user:hover { background: var(--bg-hover); }
.btn-signout {
  background: transparent; color: var(--text-dim); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 16px; font-size: 0.82rem; cursor: pointer;
  width: 100%; transition: background 0.2s;
}
.btn-signout:hover { background: var(--bg-hover); color: var(--text); }

/* Login / user dropdown */
.login-dropdown, .user-dropdown {
  position: absolute; right: 1.5rem; top: 100%;
  z-index: 200; margin-top: 4px;
}
.login-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 12px; padding: 20px; width: 300px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.login-card h3 { font-size: 1rem; margin-bottom: 12px; }
.login-card input, .login-card textarea {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border-light); border-radius: 8px;
  padding: 10px 12px; font-size: 0.88rem; margin-bottom: 8px;
  font-family: inherit;
}
.login-card input:focus, .login-card textarea:focus {
  outline: none; border-color: var(--green);
}
.login-card hr {
  border: none; border-top: 1px solid var(--border); margin: 12px 0;
}
.login-hint { font-size: 0.78rem; color: var(--text-dim); margin-top: 8px; }
.btn-primary.small { padding: 8px 20px; font-size: 0.85rem; margin-top: 4px; width: 100%; }
.user-info {
  font-size: 0.88rem;
}
.user-info .user-name { font-weight: 700; margin-bottom: 2px; }
.user-info .user-email { color: var(--text-dim); font-size: 0.78rem; }
.user-info .admin-badge {
  display: inline-block; background: rgba(34,197,94,0.15); color: var(--green);
  font-size: 0.68rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; margin-top: 4px;
}

/* Trust bar */
.trust-bar {
  max-width: 1100px; margin: 12px auto 0; padding: 10px 1.5rem;
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  background: var(--green-dim); border: 1px solid rgba(34,197,94,0.2);
  border-radius: 10px; font-size: 0.78rem; color: var(--green);
}
@media (max-width: 640px) { .trust-bar { font-size: 0.72rem; } }

/* ═══ Page routing ═══ */
.page { display: none; }
.page.active { display: block; }

/* ═══ Page containers ═══ */
.page-container {
  max-width: 1100px; margin: 0 auto; padding: 0 1.5rem 3rem;
}
.page-container.narrow { max-width: 800px; }

.page-hero {
  text-align: center; padding: 40px 20px 30px;
}
.page-hero h1 {
  font-size: 2.4rem; font-weight: 800; margin-bottom: 10px;
}
.page-hero p {
  font-size: 1.05rem; color: var(--text-muted); max-width: 700px; margin: 0 auto;
  line-height: 1.7;
}

/* ═══ Tabs (Home page) ═══ */
.tabs {
  max-width: 1100px; margin: 1.5rem auto 0; padding: 0 1.5rem;
  display: flex; gap: 4px;
}
.tab {
  background: var(--bg-card); color: var(--text-muted);
  border: 1px solid var(--border); border-bottom: none;
  padding: 10px 24px; border-radius: 10px 10px 0 0;
  font-size: 0.92rem; font-weight: 600; cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tab:hover { background: var(--bg-hover); color: var(--text); }
.tab.active {
  background: var(--bg-card); color: var(--green);
  border-color: var(--green); border-bottom: 1px solid var(--bg-card);
  position: relative; z-index: 2;
}

.tab-content {
  max-width: 1100px; margin: -1px auto 0; padding: 0 1.5rem 2rem;
}
.tab-content.hidden { display: none; }

.section-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 0 12px 12px 12px; padding: 28px;
}

h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; }
.hint { font-size: 0.82rem; color: var(--text-dim); margin-bottom: 16px; }

/* ═══ Upload area ═══ */
.upload-area {
  border: 2px dashed var(--border-light); border-radius: 12px;
  padding: 40px 20px; text-align: center; cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 16px;
}
.upload-area:hover, .upload-area.dragover {
  border-color: var(--green); background: var(--green-dim);
}
.upload-area.small { padding: 24px 14px; }
.upload-icon { font-size: 2rem; margin-bottom: 6px; opacity: 0.5; }
.upload-area p { color: var(--text-muted); font-size: 0.88rem; }
.upload-area .link {
  color: var(--green); cursor: pointer; text-decoration: underline;
}

.file-info {
  background: var(--green-dim); border: 1px solid rgba(34,197,94,0.25);
  border-radius: 8px; padding: 10px 14px; font-size: 0.85rem;
  color: var(--green); margin-bottom: 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.file-info .remove { cursor: pointer; opacity: 0.7; }
.file-info .remove:hover { opacity: 1; }

/* Fields */
.field-label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--text-muted); margin-bottom: 6px; margin-top: 12px;
}

select {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border-light); border-radius: 8px;
  padding: 10px 12px; font-size: 0.9rem; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%239CA3AF' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
select:focus { outline: none; border-color: var(--green); }

.btn-primary {
  display: inline-block; margin-top: 20px;
  padding: 12px 32px; background: var(--green); color: #000;
  font-weight: 700; font-size: 1rem; border: none; border-radius: 8px;
  cursor: pointer; transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-1px); color: #000; }
.btn-primary:disabled {
  opacity: 0.5; cursor: not-allowed; transform: none;
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .two-col { grid-template-columns: 1fr; } }

/* Progress */
.progress-section { margin-top: 20px; }
.progress-section.hidden { display: none; }

.eta-banner {
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.2);
  border-radius: 12px; padding: 16px 20px; margin-bottom: 16px;
  font-size: 0.9rem; color: #93C5FD; line-height: 1.7;
}
.eta-detail { font-size: 0.85rem; color: var(--text-muted); }
.eta-coffee { font-size: 0.9rem; color: var(--green); font-weight: 600; }
.progress-track {
  height: 8px; background: var(--border); border-radius: 4px; overflow: hidden;
}
.progress-bar {
  height: 100%; width: 0%; background: var(--green); border-radius: 4px;
  transition: width 0.4s ease;
}
.progress-msg {
  font-size: 0.82rem; color: var(--text-dim); margin-top: 8px;
}

/* Results */
.metrics {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin: 20px 0;
}
.metric-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; text-align: center;
}
.metric-card .value {
  font-size: 1.6rem; font-weight: 800; color: var(--green);
}
.metric-card .label {
  font-size: 0.78rem; color: var(--text-dim); margin-top: 2px;
}

.warning {
  background: var(--orange-dim); border: 1px solid rgba(245,158,11,0.3);
  border-radius: 8px; padding: 12px 16px; font-size: 0.85rem;
  color: var(--orange); margin-bottom: 16px;
}
.warning.hidden { display: none; }

.downloads {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px;
}
.btn-download {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; background: var(--green); color: #000;
  font-weight: 700; font-size: 0.9rem; border: none; border-radius: 8px;
  cursor: pointer; transition: background 0.2s;
  text-decoration: none;
}
.btn-download:hover { background: var(--green-dark); color: #000; }

/* Table */
.table-wrap {
  overflow-x: auto; border: 1px solid var(--border); border-radius: 10px;
}
.table-wrap table {
  width: 100%; border-collapse: collapse; font-size: 0.82rem;
}
.table-wrap th {
  background: var(--bg-hover); color: var(--text-muted);
  font-weight: 600; text-align: left; padding: 10px 12px;
  border-bottom: 1px solid var(--border); white-space: nowrap;
  position: sticky; top: 0;
}
.table-wrap td {
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  color: var(--text-muted); max-width: 260px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.table-wrap tr:hover td { background: var(--bg-hover); }
.table-note {
  font-size: 0.78rem; color: var(--text-dim); padding: 8px 12px;
  text-align: right;
}

.loc-details {
  margin-top: 12px; font-size: 0.88rem;
}
.loc-details summary {
  cursor: pointer; color: var(--text-muted); font-weight: 600;
}
.loc-details summary:hover { color: var(--text); }

/* ═══ Shared page components ═══ */

/* Section titles */
.section-title {
  font-size: 1.5rem; font-weight: 700; text-align: center; margin-bottom: 6px;
}
.section-subtitle {
  font-size: 0.95rem; color: var(--text-dim); text-align: center; margin-bottom: 28px;
}
.sub-heading {
  font-size: 1rem; font-weight: 600; color: var(--text-muted); margin: 16px 0 10px;
}

/* Card grids */
.card-grid {
  display: grid; gap: 20px;
}
.card-grid.two { grid-template-columns: 1fr 1fr; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 840px) {
  .card-grid.three, .card-grid.four { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .card-grid.two, .card-grid.three, .card-grid.four { grid-template-columns: 1fr; }
}

/* Step cards */
.step-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.step-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--green); color: #000;
  width: 40px; height: 40px; border-radius: 50%;
  font-weight: 700; font-size: 1.1rem; margin-bottom: 12px;
}
.step-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* Stat banner (How it Works) */
.stat-banner {
  display: flex; justify-content: center; gap: 40px; flex-wrap: wrap;
  padding: 28px 20px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; margin: 0 0 36px;
}
.stat-item { text-align: center; }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--green); }
.stat-label { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }

/* Comparison table */
.compare-table-wrap {
  overflow-x: auto; border-radius: 12px; border: 1px solid var(--border);
  margin: 20px 0;
}
.compare-table {
  width: 100%; border-collapse: collapse;
}
.compare-table th {
  padding: 14px 16px; text-align: left; font-size: 0.95rem;
  border-bottom: 2px solid var(--border-light); font-weight: 700;
}
.compare-table th.col-red { background: #1A0A0A; color: var(--red); }
.compare-table th.col-yellow { background: #1A1500; color: var(--orange); }
.compare-table th.col-green { background: #0A1A0A; color: var(--green); }
.compare-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-size: 0.88rem; color: var(--text-muted);
}
.compare-table tr:nth-child(odd) td { background: var(--bg-card); }
.compare-table tr:nth-child(even) td { background: var(--bg); }

/* Usecase cards */
.usecase-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px; text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}
.usecase-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.usecase-icon { font-size: 2rem; margin-bottom: 8px; }
.usecase-title { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.usecase-desc { font-size: 0.85rem; color: var(--text-muted); }

/* CTA card */
.cta-card {
  text-align: center; padding: 40px 20px; margin: 48px 0 0;
  background: rgba(34,197,94,0.06); border: 1px solid rgba(34,197,94,0.15);
  border-radius: 16px;
}
.cta-card h2 { font-size: 1.4rem; margin-bottom: 8px; }
.cta-card p { font-size: 1rem; color: var(--text-muted); margin-bottom: 20px; }

/* Info callout */
.info-callout {
  padding: 14px 20px; border-radius: 12px; font-size: 0.9rem; margin: 20px 0;
}
.info-callout.green {
  background: rgba(34,197,94,0.06); border: 1px solid rgba(34,197,94,0.15); color: var(--green);
}
.info-callout.blue {
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.2); color: #60A5FA;
}

/* Content card */
.content-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 36px; margin: 28px 0;
}
.content-card h2 { font-size: 1.3rem; margin-bottom: 16px; }
.content-card p { color: var(--text-muted); line-height: 1.8; }

/* Quote card */
.quote-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px; margin: 28px 0; text-align: center;
}
.quote-card blockquote {
  font-size: 1.15rem; font-weight: 600; color: #E2E8F0;
  font-style: italic; line-height: 1.7; max-width: 700px; margin: 0 auto;
}
.quote-card cite {
  display: block; font-size: 0.85rem; color: var(--text-dim);
  margin-top: 16px; font-style: normal;
}

/* Value cards (About page) */
.value-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
  transition: transform 0.2s, border-color 0.2s;
}
.value-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.value-icon { font-size: 1.8rem; margin-bottom: 10px; }
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.value-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* Audience cards (About page) */
.audience-card {
  background: rgba(34,197,94,0.06); border: 1px solid rgba(34,197,94,0.15);
  border-radius: 12px; padding: 24px; text-align: center;
  transition: transform 0.2s;
}
.audience-card:hover { transform: translateY(-2px); }
.audience-icon { font-size: 2rem; margin-bottom: 8px; }
.audience-card h3 { font-size: 1rem; font-weight: 700; color: var(--green); margin-bottom: 6px; }
.audience-card p { font-size: 0.85rem; color: var(--text-muted); }

/* ═══ Pricing page ═══ */
.pricing-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.pricing-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.pricing-card.featured { border-color: var(--green); }
.pricing-card hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.pricing-name { font-size: 1.4rem; font-weight: 800; }
.pricing-price { font-size: 2rem; font-weight: 800; }
.pricing-price span { font-size: 0.85rem; font-weight: 600; color: var(--text-dim); }
.pricing-subtitle { font-size: 0.88rem; color: var(--text-muted); margin-top: 4px; }
.pricing-card ul {
  list-style: none; padding: 0;
}
.pricing-card li {
  font-size: 0.88rem; color: var(--text-muted); padding: 6px 0;
  padding-left: 20px; position: relative;
}
.pricing-card li::before {
  content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700;
}

.badge-green { color: var(--green); font-size: 0.82rem; }
.badge-orange { color: var(--orange); font-size: 0.82rem; }
.badge-green-pill {
  display: inline-block; background: var(--green); color: #000;
  font-size: 0.75rem; font-weight: 700; padding: 4px 12px;
  border-radius: 6px; margin: 8px 0;
}
.badge-gray-pill {
  display: inline-block; background: var(--text-dim); color: #fff;
  font-size: 0.75rem; font-weight: 600; padding: 4px 12px;
  border-radius: 6px; margin: 8px 0;
}

/* ═══ Free tools page ═══ */
.tool-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.tool-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.tool-card.disabled { opacity: 0.55; }
.tool-card.disabled:hover { transform: none; border-color: var(--border); }
.tool-icon { font-size: 2rem; margin-bottom: 8px; }
.tool-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }
.tool-card p { font-size: 0.88rem; color: var(--text-muted); margin-top: 10px; line-height: 1.6; }

/* ═══ Privacy page ═══ */
.privacy-content {
  padding: 40px 0 20px;
  line-height: 1.8;
}
.privacy-content h1 { font-size: 2.2rem; margin-bottom: 8px; }
.privacy-content h2 {
  font-size: 1.3rem; margin-top: 2rem; margin-bottom: 8px; color: var(--green);
}
.privacy-content p { color: var(--text-muted); margin-bottom: 12px; }
.privacy-content ul { padding-left: 1.5rem; margin-bottom: 12px; }
.privacy-content li { color: var(--text-muted); padding: 2px 0; }
.privacy-content strong { color: var(--text); }

/* ═══ Footer ═══ */
footer {
  padding: 2rem 0; border-top: 1px solid var(--border);
  text-align: center; font-size: 0.82rem; color: var(--text-dim);
}
.footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 1.5rem;
}
.footer-links {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 8px 20px; margin-bottom: 12px;
}
.footer-links a { color: var(--text-muted); font-size: 0.82rem; }
.footer-links a:hover { color: var(--green); }

/* ═══ Utilities ═══ */
.hidden { display: none !important; }
.text-dim { color: var(--text-dim); }

.success-banner {
  background: var(--green-dim); border: 1px solid rgba(34,197,94,0.3);
  border-radius: 8px; padding: 14px 18px; margin-bottom: 16px;
  font-size: 0.9rem; color: var(--green); font-weight: 600;
}

.error-banner {
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
  border-radius: 8px; padding: 14px 18px; margin: 20px 0;
  font-size: 0.9rem; color: var(--red);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }