/* timecode.tools · SUBT · style.css */
/* Accent: #a78bfa — violet */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --black:#06040f;--surface:#0d0a1a;--surface-2:#121022;--surface-3:#18152e;
    --border:#251e44;--border-hi:#322858;
    --text-primary:#e4deff;--text-secondary:#8878cc;--text-muted:#524478;
    --accent:#a78bfa;--accent-ghost:rgba(167,139,250,.09);--accent-glow:rgba(167,139,250,.25);
    --ok-color:#30ffb8;--warn-color:#fbbf24;--err-color:#ff4466;
    --mono:ui-monospace,'Cascadia Code','SF Mono','Fira Code','Consolas','Courier New',monospace;
    --sans:'Gill Sans','Gill Sans MT','Optima','Trebuchet MS','Segoe UI','Helvetica Neue',system-ui,sans-serif;
    --radius:4px;--radius-lg:6px;--max-w:900px;
}
html{overflow-x:hidden;scroll-behavior:smooth}
body{background:var(--black);color:var(--text-primary);font-family:var(--mono);font-size:16px;line-height:1.75;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
.scanlines{pointer-events:none;position:fixed;inset:0;z-index:9999;background-image:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 1px);background-size:24px 24px}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
.blink{animation:blink 1s step-end infinite}
.section-label,.panel-label{font-family:var(--mono);font-size:12px;color:var(--text-secondary);letter-spacing:.15em;text-transform:uppercase;margin-bottom:14px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(6,4,15,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{max-width:var(--max-w);margin:0 auto;padding:0 2rem;height:56px;display:flex;align-items:center;justify-content:space-between}
.header-left{display:flex;align-items:center;gap:.75rem;font-size:13px}
.back-link{color:var(--text-muted);letter-spacing:.08em;transition:color .2s}.back-link:hover{color:var(--accent)}
.header-sep{color:var(--text-muted)}.tool-id{color:var(--accent);letter-spacing:.12em;font-size:13px}
.tool-badge{display:flex;align-items:center;gap:.4rem;font-size:11px;color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--border);border-radius:20px;padding:3px 10px}
.badge-dot{color:var(--accent);font-size:10px}
.tool-hero{border-bottom:1px solid var(--border);background:var(--surface)}
.tool-hero-inner{max-width:var(--max-w);margin:0 auto;padding:2.5rem 2rem 2rem}
.tool-headline{font-family:var(--sans);font-size:clamp(2rem,5vw,3rem);font-weight:800;letter-spacing:-.03em;color:var(--text-primary);line-height:1.1;margin-bottom:.75rem}
.tool-headline .accent{color:var(--accent)}
.tool-sub{font-size:14px;color:var(--text-secondary);max-width:62ch;line-height:1.8}
.workspace{flex:1;max-width:var(--max-w);width:100%;margin:0 auto;padding:2rem 2rem 3rem;display:flex;flex-direction:column;gap:1.25rem}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;position:relative}
.panel::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);opacity:.3;border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.field-group{display:flex;flex-direction:column;gap:.4rem}
.field-label{font-size:11px;color:var(--text-secondary);letter-spacing:.1em;text-transform:uppercase}
.text-input{font-family:var(--mono);font-size:14px;background:var(--surface-2);color:var(--text-primary);border:1px solid var(--border-hi);border-radius:var(--radius);padding:8px 12px;outline:none;width:100%;transition:border-color .2s,box-shadow .2s}
.text-input::placeholder{color:var(--text-muted)}
.text-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-ghost)}
select.text-input{cursor:pointer}
button,.btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:13px;letter-spacing:.06em;border:none;border-radius:var(--radius);cursor:pointer;padding:8px 16px;transition:all .18s;white-space:nowrap;line-height:1}
button:active{transform:scale(.97)}
.btn-primary{background:var(--accent);color:#06040f;font-weight:bold;border:1px solid var(--accent)}
.btn-primary:hover{filter:brightness(1.1);box-shadow:0 0 18px var(--accent-glow)}
.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-hi)}
.btn-ghost:hover{color:var(--text-primary);border-color:var(--text-muted)}
.btn-sm{padding:5px 12px;font-size:12px}

/* Tool section dividers */
.tool-divider{padding:.5rem 0 .25rem;display:flex;flex-direction:column;gap:.2rem}
.tool-divider-label{font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;font-weight:normal}
.tool-divider-sub{font-size:11px;color:var(--text-muted);letter-spacing:.04em}

/* Drop zone */
.drop-zone{border:1px dashed var(--border-hi);border-radius:var(--radius);padding:2rem 1rem;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;display:flex;flex-direction:column;align-items:center;gap:.6rem}
.drop-zone:hover,.drop-zone.highlight{border-color:var(--accent);background:var(--accent-ghost)}
.drop-main{font-size:14px;color:var(--text-secondary)}
.drop-sub{font-size:12px;color:var(--text-muted);letter-spacing:.06em}

/* File info bar */
.file-info{margin-top:.75rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding:.6rem .75rem;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);font-size:12px}
.file-info-name{color:var(--text-primary);font-family:var(--mono)}
.file-info-meta{color:var(--text-muted)}
.file-info-detected{color:var(--accent);font-family:var(--mono);letter-spacing:.06em}

/* Format cards */
.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-bottom:.75rem}
.format-card{display:flex;cursor:pointer;position:relative}
.format-card input[type="radio"]{position:absolute;opacity:0;width:0;height:0}
.format-card-inner{flex:1;display:flex;flex-direction:column;gap:.2rem;padding:.85rem;background:var(--surface-2);border:1px solid var(--border-hi);border-radius:var(--radius);transition:border-color .15s,background .15s}
.format-card:hover .format-card-inner{border-color:var(--accent);background:var(--accent-ghost)}
.format-card input:checked + .format-card-inner{border-color:var(--accent);background:var(--accent-ghost);box-shadow:0 0 0 1px var(--accent)}
.format-ext{font-family:var(--mono);font-size:18px;font-weight:600;color:var(--accent);letter-spacing:.05em}
.format-name{font-size:12px;color:var(--text-primary);margin-top:.1rem}
.format-desc{font-size:11px;color:var(--text-muted);line-height:1.5}

/* FPS grid */
.fps-grid{display:flex;align-items:flex-end;gap:.75rem;flex-wrap:wrap;margin-bottom:.75rem}
.fps-grid .field-group{flex:1;min-width:140px}
.fps-arrow{font-size:20px;color:var(--text-muted);padding-bottom:10px;flex-shrink:0}
.ratio-display{font-family:var(--mono);font-size:12px;color:var(--text-muted);padding:.5rem .75rem;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem}
.ratio-display .ratio-accent{color:var(--accent)}

/* Warnings */
.format-warn{font-size:12px;color:var(--warn-color);padding:.5rem 0;letter-spacing:.03em}
.error-msg{font-size:12px;color:var(--err-color);margin-left:.75rem}

/* Callout box */
.info-callout{display:flex;gap:1rem;align-items:flex-start;background:rgba(167,139,250,.05);border-color:rgba(167,139,250,.2)}
.info-callout::before{background:rgba(167,139,250,.4)}
.callout-icon{font-size:18px;color:var(--accent);flex-shrink:0;margin-top:2px}
.callout-text{font-size:12.5px;color:var(--text-secondary);line-height:1.75}
.callout-text strong{color:var(--text-primary);font-weight:500}
.callout-text em{font-style:normal;color:var(--text-primary)}
.callout-text code{font-family:var(--mono);font-size:11px;background:rgba(255,255,255,.07);padding:1px 5px;border-radius:3px;color:var(--accent)}

/* Output */
.stats-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem}
.stat-pill{font-family:var(--mono);font-size:11px;color:var(--accent);background:var(--accent-ghost);border:1px solid rgba(167,139,250,.2);border-radius:20px;padding:3px 10px;letter-spacing:.06em}
.output-textarea{font-family:var(--mono);font-size:12px;line-height:1.7;background:var(--surface-2);color:var(--text-primary);border:1px solid var(--border-hi);border-radius:var(--radius);padding:.75rem;width:100%;min-height:220px;resize:vertical;outline:none}
.output-textarea:focus{border-color:var(--accent)}

/* Info grid */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.info-item{display:flex;gap:1rem;align-items:flex-start}
.info-num{font-size:11px;color:var(--accent);letter-spacing:.1em;flex-shrink:0;padding-top:2px;width:22px}
.info-item h3{font-family:var(--sans);font-size:.95rem;font-weight:600;color:var(--text-primary);margin-bottom:.35rem}
.info-item p{font-size:13px;color:var(--text-secondary);line-height:1.7}
.info-item code{font-family:var(--mono);font-size:11px;background:var(--surface-2);padding:1px 4px;border-radius:3px;color:var(--accent)}

/* Quick-nav */
.tool-quick-nav{position:sticky;top:56px;z-index:90;background:rgba(0,0,0,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.tqn-inner{max-width:var(--max-w);margin:0 auto;padding:.45rem 2rem;display:flex;align-items:center;gap:.85rem;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.tqn-inner::-webkit-scrollbar{display:none}
.tqn-label{font-family:var(--mono);font-size:10px;color:var(--text-muted);letter-spacing:.15em;white-space:nowrap;flex-shrink:0}
.tqn-pills{display:flex;gap:.25rem;flex-wrap:nowrap}
.qp{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--text-muted);background:transparent;border:1px solid transparent;border-radius:3px;padding:2px 7px;white-space:nowrap;flex-shrink:0;text-decoration:none;line-height:1.7;transition:color .15s,border-color .15s,background .15s}
.qp:hover,.qp.qp-active{color:var(--accent);border-color:var(--accent-ghost);background:var(--accent-ghost)}
.qp.qp-active{cursor:default;pointer-events:none}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:1.25rem 2rem;margin-top:auto}
.footer-inner{max-width:var(--max-w);margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-logo{font-size:13px;color:var(--text-muted);letter-spacing:.1em;transition:color .2s}.footer-logo:hover{color:var(--accent)}
.footer-note{font-size:11px;color:var(--text-muted)}
.disclaimer-bar{border-top:1px solid var(--border);padding:1.25rem 2rem;background:var(--surface)}
.disclaimer-inner{max-width:var(--max-w);margin:0 auto;display:flex;flex-direction:column;gap:.5rem}
.disclaimer-label{font-size:10px;color:var(--text-muted);letter-spacing:.15em;text-transform:uppercase}
.disclaimer-text{font-size:12px;color:var(--text-secondary);line-height:1.8;max-width:90ch}
.disclaimer-text strong{color:var(--text-primary);font-weight:normal}

@media(max-width:640px){
    .header-inner{padding:0 1rem}.tool-hero-inner,.workspace{padding-left:1rem;padding-right:1rem}
    .tool-badge{display:none}.tqn-inner{padding:.4rem 1rem;gap:.5rem}
    .tqn-label{display:none}.qp{font-size:10px;padding:2px 5px}
    .format-grid{grid-template-columns:1fr}
    .fps-grid{flex-direction:column}.fps-arrow{display:none}
    .info-grid{grid-template-columns:1fr}
}