/* =========================================
   FreeOpenAPI.dev | Main Stylesheet
   ========================================= */

:root {
  --ink-950:     #14123A;
  --ink-900:     #1E1B4B;
  --ink-800:     #312E81;
  --violet:      #4F46E5;
  --violet-light:#6366F1;
  --cyan:        #22D3EE;

  --cat-weather:   #0EA5E9;
  --cat-finance:   #10B981;
  --cat-geography: #F59E0B;
  --cat-space:     #8B5CF6;
  --cat-books:     #DB2777;
  --cat-food:      #65A30D;
  --cat-entertainment: #DC2626;
  --cat-knowledge:     #0D9488;
  --cat-music:         #9333EA;
  --cat-games:         #EA580C;

  --free:    #10B981;
  --pro:     #4F46E5;
  --business:#F59E0B;

  --text:       #1F2333;
  --text-light: #5B6178;
  --border:     #E4E6F0;
  --bg-page:    #F7F8FC;
  --bg-white:   #FFFFFF;
  --shadow:     0 2px 10px rgba(30,27,75,0.08);
  --shadow-lg:  0 10px 30px rgba(30,27,75,0.18);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-page);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, .display-font { font-family: 'Space Grotesk', 'Inter', sans-serif; }

a { color: var(--violet-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Navigation ─── */

nav {
  background: linear-gradient(135deg, var(--ink-950) 0%, var(--ink-900) 100%);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 14px rgba(0,0,0,0.25);
  border-bottom: 1px solid rgba(99,102,241,0.25);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #F4F5FC;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo i { color: var(--cyan); font-size: 1.1rem; }

.nav-links { display: flex; list-style: none; gap: 4px; align-items: center; }
.nav-links a {
  color: rgba(244,245,252,0.8);
  padding: 10px 16px;
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: color 0.15s, background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-bottom: 2px solid transparent;
}
.nav-links a i { color: var(--cyan); font-size: 0.85rem; }
.nav-links a:hover, .nav-links a.active {
  color: #fff;
  text-decoration: none;
  border-bottom-color: var(--cyan);
}
.nav-links .btn-nav-cta {
  background: var(--violet);
  color: #fff !important;
  border-radius: 6px;
  border-bottom: none !important;
}
.nav-links .btn-nav-cta:hover { background: var(--violet-light); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span { width: 22px; height: 2px; background: var(--cyan); border-radius: 2px; }

@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--ink-950);
    flex-direction: column;
    padding: 8px;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .nav-links a { letter-spacing: 0; }
  .hero-stats { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
}

/* ─── Layout helpers ─── */

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px 60px; }
.container-narrow { max-width: 780px; margin: 0 auto; padding: 40px 20px 80px; }
.page-title { font-size: 1.7rem; font-weight: 700; margin-bottom: 16px; color: var(--ink-900); }
.page-title i { color: var(--violet); margin-right: 10px; }
.text-muted { color: var(--text-light); }
.eyebrow { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cyan); }

/* ─── Hero ─── */

.hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(20,18,58,0.93) 0%, rgba(30,27,75,0.90) 55%, rgba(49,46,129,0.88) 100%),
    url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1800&q=80&auto=format&fit=crop') center 40%/cover no-repeat;
  color: #F4F5FC;
  padding: 76px 20px 64px;
  text-align: center;
}
.hero-inner { max-width: 780px; margin: 0 auto; position: relative; z-index: 2; }
.hero-inner .eyebrow { opacity: 0.9; }
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5.2vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 14px 0 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.hero-title .accent { color: var(--cyan); }
.hero-sub { font-size: 1.05rem; color: rgba(244,245,252,0.82); max-width: 620px; margin: 0 auto 28px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.hero .btn-primary { background: var(--violet); }
.hero .btn-primary:hover { background: var(--violet-light); }
.hero .btn-ghost { border-color: rgba(244,245,252,0.35); color: #F4F5FC; }
.hero .btn-ghost:hover { border-color: #fff; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  max-width: 1040px;
  margin: 0 auto;
}
.hero-stat {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 10px;
  padding: 16px;
  text-align: left;
  backdrop-filter: blur(2px);
}
.hero-stat i { color: var(--cyan); font-size: 0.95rem; margin-bottom: 6px; display: block; }
.hero-stat-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: rgba(244,245,252,0.65); margin-bottom: 4px; }
.hero-stat-value { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; font-weight: 700; }
.hero-stat-value small { font-size: 0.6em; font-weight: 500; opacity: 0.7; margin-left: 3px; }

/* ─── Lazy-loading placeholders (hero stats, status tables) ─── */

.stat-loading {
  display: inline-block;
  width: 1.1em; height: 1.1em;
  border: 2px solid rgba(255,255,255,0.25);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: stat-spin 0.7s linear infinite;
  vertical-align: -0.15em;
}
.data-table .stat-loading { border-color: var(--border); border-top-color: var(--violet); }
@keyframes stat-spin { to { transform: rotate(360deg); } }

/* ─── Cards ─── */

.card {
  background: var(--bg-white);
  border-radius: 10px;
  border-top: 3px solid var(--violet);
  box-shadow: var(--shadow);
  padding: 26px;
}
.card-header { margin-bottom: 14px; }
.card-header h2 { font-size: 1.15rem; font-weight: 700; color: var(--ink-900); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

/* ─── Category cards (homepage) ─── */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin: 24px 0 8px;
}
.category-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.category-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.category-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 14px;
}
.category-card.weather .category-icon { background: var(--cat-weather); }
.category-card.finance .category-icon { background: var(--cat-finance); }
.category-card.geography .category-icon { background: var(--cat-geography); }
.category-card.space .category-icon { background: var(--cat-space); }
.category-card.books .category-icon { background: var(--cat-books); }
.category-card.food .category-icon { background: var(--cat-food); }
.category-card.entertainment .category-icon { background: var(--cat-entertainment); }
.category-card.knowledge .category-icon { background: var(--cat-knowledge); }
.category-card.music .category-icon { background: var(--cat-music); }
.category-card.games .category-icon { background: var(--cat-games); }
.category-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--ink-900); margin-bottom: 8px; }
.category-card p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 12px; }
.category-card ul { list-style: none; font-size: 0.82rem; color: var(--text-light); }
.category-card ul li { padding: 3px 0; display: flex; align-items: center; gap: 6px; }
.category-card ul li i { font-size: 0.65rem; color: var(--border); }
.category-card ul li code { font-size: 0.78rem; }

/* ─── Info blocks ─── */

.info-block {
  display: flex;
  gap: 18px;
  background: var(--bg-white);
  border-radius: 10px;
  border-left: 3px solid var(--violet);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.info-block-icon { font-size: 1.3rem; flex-shrink: 0; color: var(--violet); width: 28px; text-align: center; padding-top: 2px; }
.info-block-title { font-weight: 700; margin-bottom: 8px; color: var(--ink-900); font-family: 'Space Grotesk', sans-serif; font-size: 1.05rem; }
.info-block-text p, .info-block-text ul { margin-bottom: 10px; color: #444; }
.info-block-text ul { padding-left: 20px; }

/* ─── Alerts ─── */

.alert {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-info    { background: #EAF1FC; border-color: #B9D2F0; color: var(--ink-800); }
.alert-warning { background: #FEF3E2; border-color: #F6D9A0; color: #8A5A0E; }
.alert-success { background: #E8F8F0; border-color: #A3E2C4; color: #0E7A45; }

/* ─── Sources / trust table ─── */

.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th, .data-table td { padding: 11px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.data-table th { color: var(--text-light); font-weight: 700; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.04em; }

.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.status-dot.up { background: var(--free); }
.status-dot.down { background: #E11D48; }

/* ─── Forms / buttons ─── */

.form-group { text-align: left; margin-bottom: 12px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.form-input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}
.form-input:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px rgba(79,70,229,0.15); }
.form-input.error { border-color: #E11D48; }
.form-input:disabled { background: #F1F1F7; cursor: not-allowed; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--ink-900); color: #F4F5FC; }
.btn-primary:hover { background: var(--violet); color: #fff; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary:disabled:hover { background: var(--ink-900); color: #F4F5FC; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--violet); }
.btn-small { padding: 7px 16px; font-size: 0.78rem; }
.btn-full { width: 100%; }

footer {
  text-align: center;
  padding: 32px 20px;
  margin-top: 40px;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 0.875rem;
}
footer p { max-width: 780px; margin: 0 auto; }
footer a { color: var(--violet-light); font-weight: 600; }

code {
  background: #EEF0F9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* ─── API docs: language tabs and code blocks ─── */

.lang-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.lang-tab {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  background: #EEF0F9;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-light);
}
.lang-tab.active { background: var(--ink-900); color: #F4F5FC; border-color: var(--ink-900); }
.lang-panel { display: none; }
.lang-panel.active { display: block; }

.code-block {
  position: relative;
  background: var(--ink-950);
  color: #E3E8EF;
  border-radius: 0 8px 8px 8px;
  padding: 20px 22px;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.8rem;
  line-height: 1.6;
}
.code-block pre { margin: 0; white-space: pre; }
.code-block code { background: transparent; color: inherit; padding: 0; border-radius: 0; font-size: inherit; }
.code-block .copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.22);
  color: #F4F5FC;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
}
.code-block .copy-btn:hover { background: var(--violet); color: #fff; border-color: var(--violet); }

.badge-tier {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.badge-tier--free { background: #E8F8F0; color: var(--free); }
.badge-tier--pro { background: #EDECFB; color: var(--pro); }
.badge-tier--business { background: #FEF3E2; color: #B9770E; }

.badge-category {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
}
.badge-category.weather { background: var(--cat-weather); }
.badge-category.finance { background: var(--cat-finance); }
.badge-category.geography { background: var(--cat-geography); }
.badge-category.space { background: var(--cat-space); }
.badge-category.books { background: var(--cat-books); }
.badge-category.food { background: var(--cat-food); }
.badge-category.entertainment { background: var(--cat-entertainment); }
.badge-category.knowledge { background: var(--cat-knowledge); }
.badge-category.music { background: var(--cat-music); }
.badge-category.games { background: var(--cat-games); }

/* Which specific upstream API backs a given endpoint — several categories (e.g. "Space, Nature
   & Misc") bundle half a dozen unrelated sources under one card, so this makes each row's origin
   scannable without reading the whole description. */
.badge-source {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 600;
  background: var(--border);
  color: var(--text-light);
  white-space: nowrap;
}

/* ─── API Explorer (search page) ─── */

.explore-search { margin-bottom: 18px; max-width: 480px; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.chip i { font-size: 0.78rem; color: var(--text-light); }
.chip .chip-count { opacity: 0.6; font-weight: 500; }
.chip:hover { border-color: var(--violet); }
.chip.active { background: var(--ink-900); color: #F4F5FC; border-color: var(--ink-900); }
.chip.active i { color: var(--cyan); }
.chip.active .chip-count { opacity: 0.75; }

.explore-count { font-size: 0.82rem; color: var(--text-light); margin-bottom: 12px; }

.try-it-key-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 18px;
  padding: 14px 16px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.api-row-list { display: flex; flex-direction: column; gap: 10px; }
.api-row-wrap { display: flex; flex-direction: column; gap: 10px; }
.try-it-toggle.active { background: var(--violet); color: #fff; border-color: var(--violet); }

.try-it-panel {
  background: #FAFAFE;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.try-it-fields { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.try-it-field { margin-bottom: 0; min-width: 160px; flex: 1; }
.try-it-required { color: var(--violet); font-size: 0.68rem; font-weight: 600; text-transform: uppercase; }
.try-it-actions { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.try-it-meta { display: flex; gap: 14px; align-items: center; font-size: 0.78rem; color: var(--text-light); margin-bottom: 8px; }
.try-it-response { max-height: 340px; overflow-y: auto; }

.api-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s, transform 0.15s;
}
.api-row:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.api-row .badge-category { flex-shrink: 0; }
.api-row-main { flex: 1; min-width: 220px; }
.api-row-endpoint code:first-child { background: #EDECFB; color: var(--ink-800); font-weight: 700; }
.api-row-desc { font-size: 0.85rem; color: var(--text-light); margin-top: 4px; }
.api-row-source { font-size: 0.75rem; opacity: 0.75; }
.api-row-link {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--violet);
  white-space: nowrap;
}
.api-row-link i { font-size: 0.72rem; margin-left: 2px; }

.explore-empty {
  display: none;
  text-align: center;
  padding: 48px 20px;
  color: var(--text-light);
  background: var(--bg-white);
  border: 1px dashed var(--border);
  border-radius: 10px;
}

/* ─── Homepage: promo / CTA block ─── */

.promo-block {
  background: linear-gradient(135deg, var(--ink-950) 0%, var(--ink-900) 100%);
  color: #F4F5FC;
  border-radius: 12px;
  padding: 32px;
  margin-top: 24px;
  box-shadow: var(--shadow);
}
.promo-block h2 { color: #fff; font-size: 1.3rem; margin-bottom: 10px; }
.promo-block p { color: rgba(244,245,252,0.85); margin-bottom: 14px; max-width: 640px; }
.promo-block .btn-primary { background: var(--cyan); color: var(--ink-950); }
.promo-block .btn-primary:hover { background: #67E3F5; }
.promo-block .btn-ghost { border-color: rgba(244,245,252,0.35); color: #F4F5FC; }
.promo-block .btn-ghost:hover { border-color: #fff; }

/* ─── Pricing table ─── */

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin: 20px 0; }
.pricing-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-align: center; }
.pricing-card.featured { border-color: var(--violet); box-shadow: var(--shadow-lg); position: relative; }
.pricing-card.featured::before {
  content: "Most popular"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--violet); color: #fff; font-size: 0.68rem; font-weight: 700; padding: 4px 12px; border-radius: 999px;
}
.pricing-name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
.pricing-price { font-size: 2.1rem; font-weight: 700; color: var(--ink-900); font-family: 'Space Grotesk', sans-serif; }
.pricing-price small { font-size: 0.9rem; font-weight: 500; color: var(--text-light); }
.pricing-limit { color: var(--text-light); font-size: 0.85rem; margin: 10px 0 16px; }

/* ─── Admin / login ─── */

.admin-login { display: flex; align-items: center; justify-content: center; min-height: 70vh; padding: 20px; }
.login-card {
  background: var(--bg-white);
  border-radius: 10px;
  border-top: 3px solid var(--violet);
  box-shadow: var(--shadow-lg);
  padding: 44px 32px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.login-icon { font-size: 2rem; margin-bottom: 10px; color: var(--violet); }
.login-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; color: var(--ink-900); }
.login-sub { color: var(--text-light); font-size: 0.9rem; margin-bottom: 22px; }

.stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-tile { background: var(--bg-white); border: 1px solid var(--border); border-radius: 10px; padding: 18px; }
.stat-tile-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-light); margin-bottom: 6px; }
.stat-tile-value { font-size: 1.6rem; font-weight: 700; color: var(--ink-900); font-family: 'Space Grotesk', sans-serif; }

/* ─── Cookie banner ─── */

#cookie-banner {
  display: none; position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--ink-950); color: #F4F5FC; padding: 16px 24px; z-index: 9999;
  align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
#cookie-banner p { margin: 0; font-size: 0.875rem; flex: 1; min-width: 260px; }
#cookie-banner a { color: var(--cyan); text-decoration: underline; }
#cookie-banner button {
  background: var(--cyan); color: var(--ink-950); border: none; padding: 10px 22px; border-radius: 6px;
  font-size: 0.9rem; font-weight: 700; cursor: pointer; white-space: nowrap; flex-shrink: 0;
}

@media (max-width: 640px) {
  .hero { padding: 56px 16px 48px; }
  .card { padding: 20px; }
}