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

:root {
    --color-bg: #0a0a0f;
    --color-bg-subtle: #12121a;
    --color-surface: rgba(255, 255, 255, 0.04);
    --color-surface-hover: rgba(255, 255, 255, 0.07);
    --color-primary: #e84393;
    --color-primary-hover: #fd79a8;
    --color-accent: #ff6b9d;
    --color-text: #f0e6f6;
    --color-text-muted: rgba(240, 230, 246, 0.45);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-glow: rgba(232, 67, 147, 0.25);
    --color-code-bg: rgba(255, 255, 255, 0.03);
    --color-success: #00e676;
    --color-info: #64b5f6;
    --color-warning: #ffab40;
    --color-danger: #ff5252;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(232, 67, 147, 0.15);
    --glass-blur: blur(20px);
    --glass-border: 1px solid var(--color-border);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --gradient-pink: linear-gradient(135deg, #e84393, #fd79a8, #ff6b9d);
    --gradient-pink-subtle: linear-gradient(135deg, rgba(232, 67, 147, 0.15), rgba(253, 121, 168, 0.08));
    --gradient-bg: radial-gradient(ellipse at 20% 0%, rgba(232, 67, 147, 0.12) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 100%, rgba(253, 121, 168, 0.08) 0%, transparent 50%),
                   radial-gradient(ellipse at 50% 50%, rgba(108, 52, 131, 0.06) 0%, transparent 70%);
}

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

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--gradient-bg);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 30% 20%, rgba(232, 67, 147, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(253, 121, 168, 0.03) 0%, transparent 40%);
    animation: bgFloat 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, -1%) rotate(1deg); }
    66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

/* ── Layout ── */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* ── Header ── */
.site-header {
    position: relative;
    z-index: 2;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--color-border);
    padding: 28px 0;
    margin-bottom: 36px;
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(232, 67, 147, 0.4), rgba(253, 121, 168, 0.3), transparent);
}

.site-header h1 {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.site-header h1 span {
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-header p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin-top: 4px;
}

/* ── Search Form ── */
.search-form {
    background: var(--color-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 24px;
    margin-bottom: 32px;
    border: var(--glass-border);
    position: relative;
    overflow: hidden;
}

.search-form::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(232, 67, 147, 0.2), transparent 40%, transparent 60%, rgba(253, 121, 168, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.input-group {
    display: flex;
    gap: 12px;
}

.input-group input[type="url"] {
    flex: 1;
    padding: 13px 18px;
    font-size: 0.95rem;
    font-family: var(--font-mono);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text);
}

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

.input-group input[type="url"]:focus {
    border-color: rgba(232, 67, 147, 0.5);
    box-shadow: 0 0 20px rgba(232, 67, 147, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.input-group button {
    padding: 13px 30px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--gradient-pink);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.input-group button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.input-group button:hover {
    box-shadow: 0 4px 24px rgba(232, 67, 147, 0.35);
    transform: translateY(-1px);
}

.input-group button:hover::before {
    opacity: 1;
}

/* ── Ad Placeholders ── */
.ad-placeholder {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px dashed rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 28px;
}

.ad-placeholder .ad-label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.72rem;
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Results ── */
.results-section h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--color-text);
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Step Card ── */
.step-card {
    background: var(--color-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
    overflow: hidden;
    border: var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
}

.step-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(232, 67, 147, 0.12), transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.step-card:hover {
    box-shadow: var(--shadow-md), 0 0 30px rgba(232, 67, 147, 0.06);
    background: var(--color-surface-hover);
}

.step-card:hover::before {
    opacity: 1;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.step-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.step-number {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-pink);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 2px 12px rgba(232, 67, 147, 0.3);
}

.step-url {
    flex: 1;
    min-width: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    word-break: break-all;
    color: rgba(240, 230, 246, 0.8);
}

.step-status {
    flex-shrink: 0;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.status-2xx { background: rgba(0, 230, 118, 0.12); color: var(--color-success); border: 1px solid rgba(0, 230, 118, 0.2); }
.status-3xx { background: rgba(100, 181, 246, 0.12); color: var(--color-info); border: 1px solid rgba(100, 181, 246, 0.2); }
.status-4xx { background: rgba(255, 171, 64, 0.12); color: var(--color-warning); border: 1px solid rgba(255, 171, 64, 0.2); }
.status-5xx { background: rgba(255, 82, 82, 0.12); color: var(--color-danger); border: 1px solid rgba(255, 82, 82, 0.2); }
.status-js  { background: rgba(206, 147, 255, 0.12); color: #ce93ff; border: 1px solid rgba(206, 147, 255, 0.2); }

.step-chevron {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    color: var(--color-text-muted);
}

.step-card.expanded .step-chevron {
    transform: rotate(180deg);
    color: var(--color-accent);
}

/* ── Step Details (collapsed by default) ── */
.step-details {
    display: none;
    padding: 0 20px 20px;
    border-top: 1px solid var(--color-border);
}

.step-card.expanded .step-details {
    display: block;
}

.detail-block {
    margin-top: 16px;
}

.detail-block h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.base-url {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 14px;
    border-radius: 8px;
    word-break: break-all;
    border: 1px solid var(--color-border);
}

/* ── Tables ── */
.param-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.param-table th,
.param-table td {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
}

.param-table th {
    background: rgba(255, 255, 255, 0.03);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.param-table td {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    word-break: break-all;
    color: rgba(240, 230, 246, 0.75);
}

.param-table tr:last-child td {
    border-bottom: none;
}

.param-table td.key-cell {
    font-weight: 600;
    color: var(--color-accent);
    white-space: nowrap;
    width: 30%;
}

.empty-note {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

/* ── Error ── */
.error-box {
    background: rgba(255, 82, 82, 0.08);
    border: 1px solid rgba(255, 82, 82, 0.2);
    color: var(--color-danger);
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.92rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ── Footer ── */
.site-footer {
    text-align: center;
    padding: 36px 0;
    color: var(--color-text-muted);
    font-size: 0.82rem;
    margin-top: 48px;
    position: relative;
    z-index: 1;
}

.site-footer::before {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--gradient-pink);
    margin: 0 auto 20px;
    border-radius: 2px;
    opacity: 0.4;
}

/* ── JSON Formatter ── */
.json-panels {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
}

.json-input,
.json-output {
    flex: 1;
    min-width: 0;
    background: var(--color-surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: var(--glass-border);
    padding: 16px;
    position: relative;
}

.json-input::before,
.json-output::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(232, 67, 147, 0.1), transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.json-input h3,
.json-output h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.json-input textarea {
    width: 100%;
    min-height: 300px;
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text);
    resize: vertical;
    outline: none;
    transition: all 0.3s ease;
}

.json-input textarea::placeholder {
    color: var(--color-text-muted);
}

.json-input textarea:focus {
    border-color: rgba(232, 67, 147, 0.4);
    box-shadow: 0 0 20px rgba(232, 67, 147, 0.08);
    background: rgba(255, 255, 255, 0.05);
}

.json-output pre {
    min-height: 300px;
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: rgba(240, 230, 246, 0.7);
}

.json-string { color: #00e676; }
.json-number { color: #ffab40; }
.json-boolean { color: #ce93ff; }
.json-null { color: #ce93ff; }
.json-key { color: #64b5f6; }

.json-error {
    background: rgba(255, 82, 82, 0.08);
    border: 1px solid rgba(255, 82, 82, 0.2);
    color: var(--color-danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-bottom: 16px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.format-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 24px;
    font-size: 0.92rem;
    font-weight: 600;
    color: #fff;
    background: var(--gradient-pink);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.format-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.format-btn:hover {
    box-shadow: 0 4px 24px rgba(232, 67, 147, 0.35);
    transform: translateY(-1px);
}

.format-btn:hover::before {
    opacity: 1;
}

.format-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.68rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(232, 67, 147, 0.2), rgba(253, 121, 168, 0.12));
    color: var(--color-accent);
    border: 1px solid rgba(232, 67, 147, 0.25);
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 6px;
    text-transform: none;
    letter-spacing: 0;
}

.jsonl-separator {
    color: var(--color-text-muted);
    font-style: italic;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .input-group {
        flex-direction: column;
    }

    .input-group button {
        width: 100%;
    }

    .step-header {
        padding: 12px 14px;
        gap: 8px;
    }

    .step-url {
        font-size: 0.78rem;
    }

    .step-details {
        padding: 0 14px 14px;
    }

    .param-table td.key-cell {
        width: auto;
        white-space: normal;
    }

    .json-panels {
        flex-direction: column;
    }
}