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

:root {
    --bg: #0a0a0f;
    --surface: #111118;
    --surface2: #1a1a24;
    --border: #2a2a3a;
    --accent: #00e5ff;
    --accent2: #7c3aed;
    --text: #e8e8f0;
    --text-muted: #6b6b8a;
    --text-dim: #9898b8;
    --green: #00ff88;
    --orange: #ff8c00;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-display: 'Syne', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Background grid ───────────────────────────────────── */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

/* ── Layout ────────────────────────────────────────────── */
main {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}

/* ── Header ────────────────────────────────────────────── */
header {
    margin-bottom: 48px;
}

.badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(0,229,255,0.3);
    padding: 4px 12px;
    border-radius: 2px;
    margin-bottom: 20px;
    background: rgba(0,229,255,0.05);
}

h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 16px;
}

h1 span {
    color: var(--accent);
    display: block;
}

.subtitle {
    font-size: 14px;
    color: var(--text-dim);
    max-width: 480px;
    line-height: 1.7;
}

.domain-label {
    font-size: 13px;
    color: var(--accent);
    margin-top: 4px;
}

/* ── Cards ─────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.4;
    pointer-events: none;
}

.card h2 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

/* ── Form ──────────────────────────────────────────────── */
.field {
    margin-bottom: 24px;
}

.field label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.field label .optional {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-muted);
    opacity: 0.6;
}

.input-wrap {
    display: flex;
    align-items: center;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.input-wrap:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(0,229,255,0.1);
}

.prefix {
    padding: 0 12px;
    font-size: 13px;
    color: var(--text-muted);
    border-right: 1px solid var(--border);
    height: 42px;
    display: flex;
    align-items: center;
    white-space: nowrap;
    background: rgba(0,229,255,0.03);
}

input[type="text"] {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 10px 14px;
    width: 100%;
    transition: border-color 0.2s;
    outline: none;
}

.input-wrap input[type="text"] {
    border: none;
    border-radius: 0;
}

input[type="text"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(0,229,255,0.1);
}

input[type="text"]::placeholder { color: var(--text-muted); }

.field small {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ── Checkboxes ────────────────────────────────────────── */
.checkboxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.check {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-dim);
    cursor: pointer;
    padding: 10px 14px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
    user-select: none;
}

.check:hover { border-color: rgba(0,229,255,0.35); color: var(--text); }

.check.is-checked {
    border-color: rgba(0,229,255,0.5);
    background: rgba(0,229,255,0.06);
    color: var(--text);
}

/* Hide the native checkbox, keep it accessible */
.check input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.box {
    width: 16px;
    height: 16px;
    border: 1.5px solid #444460;
    border-radius: 3px;
    flex-shrink: 0;
    position: relative;
    transition: all 0.15s;
    background: var(--surface);
}

.check.is-checked .box {
    background: var(--accent);
    border-color: var(--accent);
}

.check.is-checked .box::after {
    content: '';
    position: absolute;
    top: 2px; left: 4px;
    width: 5px; height: 8px;
    border: 2px solid var(--bg);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

/* ── Cache time selects ────────────────────────────────── */
.cache-times { display: flex; flex-direction: column; gap: 10px; }

.cache-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-dim);
}

select {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    cursor: pointer;
    outline: none;
}

select:focus { border-color: var(--accent); }

/* ── Submit button ─────────────────────────────────────── */
.btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 20px;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.05em;
    margin-top: 8px;
}

.btn:hover { background: #33eeff; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,229,255,0.3); }
.btn:active { transform: translateY(0); }
.btn.loading { opacity: 0.7; pointer-events: none; }

/* ── Back link ─────────────────────────────────────────── */
.back-link {
    display: inline-block;
    font-size: 12px;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 20px;
    transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

/* ── Stats grid ────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 14px;
    text-align: center;
}

.stat.active {
    border-color: rgba(0,229,255,0.3);
    background: rgba(0,229,255,0.05);
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ── Tags ──────────────────────────────────────────────── */
.tags-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
    font-size: 12px;
}

.tag-label { color: var(--text-muted); margin-right: 4px; }

.tag {
    background: rgba(0,229,255,0.1);
    border: 1px solid rgba(0,229,255,0.2);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 11px;
    font-weight: 600;
}

.tag-woo     { background: rgba(124,58,237,0.1);  border-color: rgba(124,58,237,0.3);  color: #a78bfa; }
.tag-slug    { background: rgba(0,255,136,0.08);  border-color: rgba(0,255,136,0.2);   color: var(--green); }
.tag-excluded{ background: rgba(239,68,68,0.08);  border-color: rgba(239,68,68,0.25);  color: #f87171; }
.tag-script  { background: rgba(251,191,36,0.08); border-color: rgba(251,191,36,0.25); color: #fbbf24; }
.tag-cookie  { background: rgba(99,102,241,0.08); border-color: rgba(99,102,241,0.25); color: #818cf8; }

/* ── Config actions ─────────────────────────────────────── */
.btn-icon-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}
.btn-icon-action:hover { border-color: var(--accent); color: var(--accent); }
.btn-icon-action.copied { border-color: var(--green); color: var(--green); }

/* ── Cache Tester ───────────────────────────────────────── */
.tester-card {}
.tester-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }

.tester-controls {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.tester-input-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color 0.2s;
    font-size: 13px;
}
.tester-input-wrap:focus-within { border-color: var(--accent); }

.tester-domain {
    padding: 10px 12px;
    color: var(--text-muted);
    white-space: nowrap;
    border-right: 1px solid var(--border);
    background: rgba(0,229,255,0.03);
}

.tester-input-wrap input[type="text"] {
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 10px 12px;
    flex: 1;
}

.btn-test {
    padding: 10px 20px;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-test:hover   { background: #33eeff; }
.btn-test.loading { opacity: 0.7; pointer-events: none; }

.test-results {
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.test-url {
    padding: 8px 14px;
    font-size: 11px;
    color: var(--text-muted);
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid var(--border);
}

.test-hits { padding: 4px 0; }

.test-hit {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.hit-num    { color: var(--text-muted); width: 24px; }
.hit-time   { color: var(--text-muted); font-size: 11px; margin-left: auto; }
.hit-code   { color: var(--text-muted); font-size: 11px; }

.hit-status {
    font-weight: 700;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 2px;
    letter-spacing: 0.05em;
}
.hit-status.hit     { background: rgba(0,255,136,0.1);  color: var(--green);  border: 1px solid rgba(0,255,136,0.3); }
.hit-status.miss    { background: rgba(251,191,36,0.1); color: #fbbf24;       border: 1px solid rgba(251,191,36,0.3); }
.hit-status.bypass  { background: rgba(239,68,68,0.1);  color: #f87171;       border: 1px solid rgba(239,68,68,0.25); }
.hit-status.unknown { background: rgba(148,163,184,0.1); color: #94a3b8;      border: 1px solid rgba(148,163,184,0.2); }

.test-verdict {
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    border-top: 1px solid var(--border);
}
.verdict-ok   { color: var(--green); background: rgba(0,255,136,0.05); }
.verdict-warn { color: #fbbf24;      background: rgba(251,191,36,0.05); }

.test-error {
    padding: 12px 14px;
    font-size: 12px;
    color: #f87171;
}

/* Textarea */
textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    padding: 12px 16px;
    resize: vertical;
    transition: border-color .2s;
    line-height: 1.6;
    box-sizing: border-box;
}
textarea:focus {
    outline: none;
    border-color: var(--accent);
}
textarea::placeholder { color: var(--text-muted); }
.tag-type { opacity: 0.6; margin-right: 2px; }

/* ── Notices ───────────────────────────────────────────── */
.notices { margin-top: 16px; }
.notice {
    font-size: 12px;
    color: var(--orange);
    background: rgba(255,140,0,0.08);
    border: 1px solid rgba(255,140,0,0.2);
    border-radius: 3px;
    padding: 8px 12px;
    margin-bottom: 6px;
}
.notice-warn {
    color: #facc15;
    background: rgba(250,204,21,0.07);
    border-color: rgba(250,204,21,0.25);
}

/* ── Config block ──────────────────────────────────────── */
.config-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.config-actions { display: flex; gap: 10px; }

.btn-copy {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-copy:hover { border-color: var(--accent); color: var(--accent); }
.btn-copy.copied { border-color: var(--green); color: var(--green); }

.btn-download {
    background: var(--accent2);
    border: 1px solid rgba(124,58,237,0.5);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s;
}

.btn-download:hover { background: #6d28d9; }

.config-wrap {
    background: #070710;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: auto;
    max-height: 520px;
}

pre#nginxConfig {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.7;
    color: #c8c8e8;
    padding: 20px 24px;
    white-space: pre;
    tab-size: 4;
}

/* Syntax-like coloring via CSS */
pre#nginxConfig { color: #c8c8e8; }

/* ── Instructions ──────────────────────────────────────── */
.steps { list-style: none; counter-reset: none; }

.steps li {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.steps li:last-child { border-bottom: none; }

.step-num {
    flex-shrink: 0;
    width: 28px; height: 28px;
    background: rgba(0,229,255,0.1);
    border: 1px solid rgba(0,229,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    margin-top: 2px;
}

.steps strong {
    display: block;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 6px;
}

.steps p {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

code {
    font-family: var(--font-mono);
    font-size: 11px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 6px;
    color: var(--accent);
}

code.cmd {
    display: block;
    padding: 10px 14px;
    margin: 8px 0;
    color: var(--green);
    background: #070710;
}

/* ── Footer ────────────────────────────────────────────── */
footer {
    text-align: center;
    margin-top: 48px;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 600px) {
    main { padding: 40px 16px 60px; }
    .checkboxes { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .config-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}