/* ============================================================
   ClipFetch — style.css
   Dark navy/blue theme, responsive, accessible, no frameworks.
   ============================================================ */

:root {
  --bg:          #0a1128;
  --bg-soft:     #0d1b2a;
  --surface:     #13233d;
  --surface-2:   #1a2f52;
  --border:      #243b63;
  --text:        #f2f6fc;
  --text-dim:    #a9bad6;
  --accent:      #4ea5ff;
  --accent-deep: #2f7fe0;
  --danger:      #ff7a7a;
  --danger-bg:   rgba(255, 122, 122, 0.08);
  --ok:          #5fd6a2;
  --ok-bg:       rgba(95, 214, 162, 0.08);
  --warn:        #ffd166;
  --radius:      12px;
  --max-width:   880px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Accessibility helpers ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

a { color: var(--accent); }
a:hover { color: #8cc6ff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 17, 40, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.2px;
}

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

.logo-mark { flex: none; }

.site-nav { display: flex; gap: 20px; }
.site-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(600px 300px at 70% -10%, rgba(78, 165, 255, 0.14), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.5px;
}

.subtitle {
  margin: 0 0 36px;
  color: var(--text-dim);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  max-width: 560px;
}

/* ---------- Form ---------- */
.check-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

#url-input {
  flex: 1 1 320px;
  min-width: 0;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease;
}

#url-input::placeholder { color: #6f83a6; }
#url-input:focus { border-color: var(--accent); outline: none; }

.field-hint {
  margin: 10px 2px 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.field-hint code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.8rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: var(--accent-deep);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--accent); color: #06203d; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }

/* ---------- Status area ---------- */
.status-area {
  margin-top: 20px;
  min-height: 0;
}

.status {
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  background: var(--surface);
}

.status.error   { border-color: var(--danger); background: var(--danger-bg); color: #ffc9c9; }
.status.success { border-color: var(--ok);      background: var(--ok-bg);      color: #c8f5e0; }
.status.info    { border-color: var(--border);  background: var(--surface);    color: var(--text-dim); }

/* ---------- Result / notice cards ---------- */
.result-card, .notice-card {
  margin-top: 24px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.notice-card h2 { margin: 0 0 10px; font-size: 1.2rem; }
.notice-card p  { margin: 0 0 12px; color: var(--text-dim); }
.notice-card strong { color: var(--text); }

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.result-head h2 { margin: 0; font-size: 1.2rem; }

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: #06203d;
  background: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
}
.badge-soft { background: var(--ok); }

.result-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0 0 18px;
}
.result-meta dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.result-meta dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  word-break: break-all;
}

.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.result-note {
  margin: 14px 0 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---------- Divider ---------- */
.divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 44px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---------- Upload ---------- */
.section-title { margin: 0 0 10px; font-size: 1.4rem; }
.section-sub   { margin: 0 0 22px; color: var(--text-dim); max-width: 640px; }

.file-drop {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: var(--surface);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.file-drop:hover, .file-drop:focus-within { border-color: var(--accent); }
.file-drop-icon { color: var(--accent); flex: none; }
.file-drop-text { color: var(--text-dim); }
.file-drop-text strong { color: var(--text); }

/* ---------- Info sections ---------- */
.info-section     { padding: 56px 0; border-bottom: 1px solid var(--border); }
.info-section-alt { background: var(--bg-soft); }

.card-grid, .legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
}
.legal-grid { grid-template-columns: repeat(3, 1fr); }

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.info-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.info-card p  { margin: 0; color: var(--text-dim); font-size: 0.93rem; }

.plain-list {
  margin: 8px 0 0;
  padding-left: 20px;
  color: var(--text-dim);
}
.plain-list li { margin-bottom: 10px; }
.plain-list strong { color: var(--text); }

/* ---------- Footer ---------- */
.site-footer {
  padding: 32px 0 40px;
  background: var(--bg-soft);
}

.footer-inner { text-align: center; }

.footer-brand { margin: 0 0 10px; font-weight: 700; }

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.footer-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-nav a:hover { color: var(--text); }

.footer-fine { margin: 0; font-size: 0.8rem; color: #6f83a6; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .hero { padding: 48px 0 40px; }
  .site-nav { display: none; }
  .check-form { flex-direction: column; }
  #url-input, .check-form .btn { width: 100%; }
  .card-grid, .legal-grid { grid-template-columns: 1fr; }
  .result-meta { grid-template-columns: 1fr; gap: 10px; }
  .result-actions .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}