/* CORS Debugger — Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #EF4444; --primary-light: #F87171;
  --accent: #10B981; --accent-glow: rgba(16,185,129,0.15);
  --success: #10B981; --danger: #EF4444; --warning: #F59E0B;
  --bg: #0C0E14; --bg-card: rgba(255,255,255,0.04);
  --bg-glass: rgba(255,255,255,0.06); --border: rgba(255,255,255,0.08);
  --text: #E8E8E8; --text-dim: #9CA3AF; --text-muted: #6B7280;
  --radius: 12px; --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif; --mono: 'JetBrains Mono', monospace;
  --shadow: 0 4px 24px rgba(0,0,0,0.3); --transition: 250ms ease;
}
html { font-size: 16px; } body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; -webkit-font-smoothing: antialiased; }

.header { position: sticky; top: 0; z-index: 100; background: rgba(12,14,20,0.85); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); }
.header__inner { max-width: 850px; margin: 0 auto; padding: 0.75rem 1.5rem; display: flex; align-items: center; }
.header__brand { display: flex; align-items: center; gap: 0.6rem; }
.header__icon { font-size: 1.3rem; } .header__title { font-size: 1.15rem; font-weight: 700; }

.btn { display: inline-flex; align-items: center; gap: 0.4rem; border: none; cursor: pointer; font-family: var(--font); font-size: 0.85rem; font-weight: 500; border-radius: var(--radius-sm); transition: all var(--transition); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn--ghost { background: var(--bg-glass); color: var(--text-dim); padding: 0.5rem 0.85rem; border: 1px solid var(--border); }
.btn--ghost:hover { background: rgba(255,255,255,0.1); color: var(--text); }
.btn--accent { background: var(--primary); color: #fff; padding: 0.55rem 1.1rem; font-weight: 600; }
.btn--accent:hover { filter: brightness(1.15); }
.btn--sm { font-size: 0.78rem; padding: 0.35rem 0.7rem; }

.main { max-width: 850px; margin: 0 auto; padding: 1.25rem 1.5rem 3rem; }

.request-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.input-row { display: flex; gap: 0.5rem; }
.method-select { padding: 0.5rem; background: rgba(0,0,0,0.4); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--primary-light); font-family: var(--mono); font-weight: 600; font-size: 0.85rem; cursor: pointer; }
.method-select:focus { outline: none; border-color: var(--primary); }
.url-input { flex: 1; padding: 0.5rem 0.75rem; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: var(--mono); font-size: 0.88rem; }
.url-input:focus { outline: none; border-color: var(--primary); }

.options-row { display: flex; gap: 1rem; align-items: center; margin-top: 0.5rem; flex-wrap: wrap; }
.opt-label { font-size: 0.82rem; color: var(--text-dim); display: flex; align-items: center; gap: 0.3rem; }
.opt-input { width: 200px; padding: 0.3rem 0.5rem; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: 4px; color: var(--text); font-family: var(--mono); font-size: 0.8rem; }
.opt-input:focus { outline: none; border-color: var(--primary); }

.headers-section { margin-top: 0.5rem; }
.headers-toggle { cursor: pointer; font-size: 0.82rem; font-weight: 500; color: var(--text-dim); list-style: none; }
.headers-toggle::-webkit-details-marker { display: none; }
.headers-editor { margin-top: 0.4rem; display: flex; flex-direction: column; gap: 0.3rem; }
.header-entry { display: flex; gap: 0.3rem; }
.header-key, .header-val { flex: 1; padding: 0.3rem 0.5rem; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: 4px; color: var(--text); font-family: var(--mono); font-size: 0.78rem; }
.header-key:focus, .header-val:focus { outline: none; border-color: var(--primary); }
.btn-remove { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 0.82rem; padding: 0.25rem; }

.loader { text-align: center; padding: 2rem; display: flex; gap: 0.3rem; justify-content: center; }
.loader.hidden { display: none; }
.loader-dot { width: 10px; height: 10px; background: var(--primary); border-radius: 50%; animation: bounce 0.6s infinite alternate; }
.loader-dot:nth-child(2) { animation-delay: 0.2s; }
.loader-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { to { transform: translateY(-8px); opacity: 0.5; } }

.results.hidden { display: none; }

.verdict-card { display: flex; align-items: center; gap: 0.75rem; padding: 1rem; margin-top: 1rem; border-radius: var(--radius); font-weight: 600; font-size: 1.05rem; }
.verdict-card--pass { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: var(--success); }
.verdict-card--fail { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--danger); }
.verdict-card--warn { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--warning); }

.result-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-top: 0.75rem; }
.result-card__title { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.5rem; }

.header-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.3rem 0.75rem; }
@media (max-width: 500px) { .header-grid { grid-template-columns: 1fr; } }
.hdr-name { font-size: 0.78rem; font-family: var(--mono); color: var(--primary-light); }
.hdr-val { font-size: 0.82rem; font-family: var(--mono); word-break: break-all; }
.hdr-missing { font-size: 0.82rem; font-family: var(--mono); color: var(--danger); font-style: italic; }

.check-list { display: flex; flex-direction: column; gap: 0.25rem; }
.check-item { font-size: 0.85rem; display: flex; align-items: center; gap: 0.4rem; }
.check-pass { color: var(--success); } .check-fail { color: var(--danger); } .check-warn { color: var(--warning); }

.explanation { font-size: 0.88rem; color: var(--text-dim); line-height: 1.7; }
.explanation strong { color: var(--text); }

.fixes { display: flex; flex-direction: column; gap: 0.5rem; }
.fix-block { background: rgba(0,0,0,0.3); border-radius: var(--radius-sm); overflow: hidden; }
.fix-lang { font-size: 0.72rem; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.04em; padding: 0.3rem 0.6rem; border-bottom: 1px solid var(--border); }
.fix-code { font-family: var(--mono); font-size: 0.78rem; padding: 0.5rem 0.6rem; white-space: pre; overflow-x: auto; }

.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; padding: 0.6rem 1.25rem; border-radius: var(--radius); font-size: 0.85rem; font-weight: 500; box-shadow: var(--shadow); z-index: 500; animation: toastIn 300ms ease; }
.toast[hidden] { display: none; }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 600px) { .main { padding: 1rem; } }