/*
 * CSS Scroll Animation Generator
 * Prefix: csa-
 */

:root {
    --csa-primary: #7c3aed;
    --csa-primary-l: #a78bfa;
    --csa-primary-light: #ede9fe;
    --csa-bg: #f8fafc;
    --csa-bg-card: #ffffff;
    --csa-text: #1e293b;
    --csa-text-muted: #64748b;
    --csa-border: #e2e8f0;
    --csa-code-bg: #0f172a;
    --csa-code-text: #e2e8f0;
    --csa-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --csa-radius: 12px;
    --csa-radius-sm: 8px;
    --csa-transition: all .2s ease;
}

#pageWrap {
    background-color: transparent !important;
}

/* ═══════════════════════════════════════════
   Anchor Navigation
   ═══════════════════════════════════════════ */
.csa-anchor-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.csa-anchor-link{padding:6px 14px;border-radius:var(--csa-radius-sm);background:var(--csa-primary-light);color:var(--csa-primary)!important;font-size:.82rem;font-weight:600;text-decoration:none!important;transition:var(--csa-transition);white-space:nowrap}
.csa-anchor-link:hover{background:var(--csa-primary);color:#fff!important}

/* ═══════════════════════════════════════════
   Security / Feature Banner (3 columns)
   ═══════════════════════════════════════════ */
.csa-security{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:8px}
.csa-security>p,.csa-security>br{display:none!important}
.csa-security-item{display:flex;align-items:flex-start;gap:10px;background:var(--csa-bg-card);border:1px solid var(--csa-border);border-radius:var(--csa-radius);padding:14px;margin-top:0!important}
.csa-security-item *{margin-top:0!important}
.csa-security-item>span{font-size:1.5rem;flex-shrink:0;line-height:1}
.csa-security-item p{font-size:.82rem!important;color:var(--csa-text-muted);line-height:1.5!important;margin:0!important;padding:0!important}
.csa-security-item strong{display:block;color:var(--csa-text);font-size:.85rem;margin-bottom:2px}

/* ═══════════════════════════════════════════
   Preview Area (auto-play animation)
   ═══════════════════════════════════════════ */
.csa-preview-viewport {
    width: 100%;
    height: 300px;
    border: 1px solid var(--csa-border);
    border-radius: var(--csa-radius) var(--csa-radius) 0 0;
    overflow: hidden;
    background:
        linear-gradient(45deg, #f1f5f9 25%, transparent 25%),
        linear-gradient(-45deg, #f1f5f9 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #f1f5f9 75%),
        linear-gradient(-45deg, transparent 75%, #f1f5f9 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--csa-shadow);
}

.csa-preview-target {
    width: 180px;
    height: 120px;
    background: linear-gradient(135deg, var(--csa-primary), var(--csa-primary-l));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
    text-align: center;
    line-height: 1.4;
    will-change: transform, opacity, filter;
}

/* Scrubber / Controls bar under preview */
.csa-preview-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--csa-code-bg);
    border-radius: 0 0 var(--csa-radius) var(--csa-radius);
    border: 1px solid var(--csa-border);
    border-top: none;
    margin-bottom: 0;
}

.csa-play-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--csa-primary);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s;
}

.csa-play-btn:hover {
    background: var(--csa-primary-l);
}

.csa-play-btn .material-icons {
    font-size: 20px;
}

.csa-scrubber {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #334155;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.csa-scrubber::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--csa-primary-l);
    cursor: pointer;
    box-shadow: 0 0 6px rgba(124, 58, 237, 0.5);
}

.csa-progress-label {
    color: #94a3b8;
    font-size: 0.78rem;
    font-family: 'Consolas', monospace;
    min-width: 36px;
    text-align: right;
    flex-shrink: 0;
}

.csa-compat-notice {
    text-align: center;
    padding: 12px;
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: var(--csa-radius-sm);
    font-size: .8rem;
    color: #92400e;
    margin-bottom: 12px;
    display: none;
}

/* ═══════════════════════════════════════════
   Preset Buttons (Horizontal Scroll)
   ═══════════════════════════════════════════ */
.csa-presets-wrapper {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    scrollbar-width: thin;
}

.csa-presets-wrapper::-webkit-scrollbar {
    height: 4px;
}

.csa-presets-wrapper::-webkit-scrollbar-thumb {
    background: var(--csa-border);
    border-radius: 2px;
}

.csa-preset-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    border: 1px solid var(--csa-border);
    border-radius: var(--csa-radius-sm);
    background: var(--csa-bg);
    color: var(--csa-text);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--csa-transition);
    white-space: nowrap;
}

.csa-preset-btn:hover {
    border-color: var(--csa-primary);
    color: var(--csa-primary);
}

.csa-preset-btn.active {
    background: var(--csa-primary-light);
    border-color: var(--csa-primary);
    color: var(--csa-primary);
    font-weight: 600;
}

/* ═══════════════════════════════════════════
   Settings Panel
   ═══════════════════════════════════════════ */
.csa-settings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.csa-param {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.csa-param-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--csa-text);
}

.csa-param-val {
    background: var(--csa-primary-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--csa-primary);
    font-family: 'Consolas', monospace;
}

.csa-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--csa-border);
    border-radius: 3px;
    outline: none;
}

.csa-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--csa-primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.1s;
}

.csa-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.csa-select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--csa-border);
    border-radius: var(--csa-radius-sm);
    font-size: 0.85rem;
    color: var(--csa-text);
    background: #fff;
    cursor: pointer;
}

/* ═══════════════════════════════════════════
   Code Output
   ═══════════════════════════════════════════ */
.csa-output {
    background: var(--csa-code-bg);
    border-radius: var(--csa-radius);
    padding: 20px;
    position: relative;
    box-shadow: var(--csa-shadow);
}

.csa-output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.csa-output-title {
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    font-family: monospace;
}

.csa-copy-btn {
    background: var(--csa-primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: background 0.2s;
}

.csa-copy-btn:hover {
    background: var(--csa-primary-l);
}

.csa-code {
    margin: 0;
    padding: 0;
    background: transparent;
    color: var(--csa-code-text);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    border: none;
}

/* ═══════════════════════════════════════════
   Toast
   ═══════════════════════════════════════════ */
.csa-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background-color: var(--csa-text);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
}

.csa-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* ═══════════════════════════════════════════
   SEO: How-to Steps
   ═══════════════════════════════════════════ */
.csa-steps{display:grid;gap:12px;counter-reset:step}
.csa-steps>p,.csa-steps>br{display:none!important}
.csa-step{display:flex;gap:14px;align-items:flex-start;margin-top:0!important}
.csa-step *{margin-top:0!important}
.csa-step::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--csa-primary);color:#fff;font-size:.85rem;font-weight:700;flex-shrink:0}
.csa-step h4{font-size:.9rem!important;margin:0 0 4px 0!important;padding:0!important;color:var(--csa-text)}
.csa-step p{font-size:.82rem!important;color:var(--csa-text-muted);margin:0!important;padding:0!important;line-height:1.5!important}

/* ═══════════════════════════════════════════
   SEO: FAQ (dl/dt/dd)
   ═══════════════════════════════════════════ */
.csa-faq dt{font-weight:700;color:var(--csa-text);margin-top:16px!important;font-size:.9rem}
.csa-faq dt:first-child{margin-top:0!important}
.csa-faq dd{color:var(--csa-text-muted);font-size:.85rem;line-height:1.7;margin-left:0!important;padding-left:16px!important;border-left:3px solid var(--csa-primary-light)}

/* ═══════════════════════════════════════════
   SEO: Use Cases
   ═══════════════════════════════════════════ */
.csa-use-cases{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.csa-use-cases>p,.csa-use-cases>br{display:none!important}
.csa-use-case{display:flex;gap:12px;align-items:flex-start;padding:14px;background:var(--csa-bg);border-radius:var(--csa-radius);margin-top:0!important}
.csa-use-case *{margin-top:0!important}
.csa-use-case-icon{font-size:1.5rem;flex-shrink:0;line-height:1}
.csa-use-case h4{font-size:.85rem!important;margin:0 0 4px 0!important;padding:0!important}
.csa-use-case p{font-size:.8rem!important;color:var(--csa-text-muted);margin:0!important;padding:0!important;line-height:1.5!important}

/* ═══════════════════════════════════════════
   SEO: Related Tools
   ═══════════════════════════════════════════ */
.csa-related-tools{display:flex;gap:8px;flex-wrap:wrap}
.csa-related-tools>p,.csa-related-tools>br{display:none!important}
.csa-related-tools *{margin-top:0!important}
.csa-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;border:none;transition:var(--csa-transition);text-decoration:none!important}
.csa-btn--secondary{background:#fff;color:var(--csa-primary)!important;border:1px solid var(--csa-primary)}
.csa-btn--secondary:hover{background:var(--csa-primary-light)}
.csa-btn--sm{padding:5px 10px;font-size:.78rem}

/* ═══════════════════════════════════════════
   SEO: Glossary (dl)
   ═══════════════════════════════════════════ */
/* shares .csa-faq styles */

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */
@media (max-width: 640px) {
    .csa-security { grid-template-columns: 1fr; gap: 8px; }
    .csa-use-cases { grid-template-columns: 1fr; }
    .csa-settings { grid-template-columns: 1fr; }
    .csa-preview-viewport { height: 220px; }
    .csa-anchor-nav { gap: 4px; }
    .csa-anchor-link { padding: 5px 10px; font-size: .75rem; }
}