*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--purple:#7c3aed;--blue:#3b82f6;--green:#10b981;--bg:#0f0c29;--surface:rgba(255,255,255,0.06);--border:rgba(255,255,255,0.12);--text:#fff;--muted:rgba(255,255,255,0.5)}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:linear-gradient(135deg,#0f0c29,#302b63,#24243e);min-height:100vh;color:var(--text)}

/* NAVBAR */
.navbar{position:sticky;top:0;z-index:100;background:rgba(15,12,41,0.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:960px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-size:1.1rem;font-weight:700;background:linear-gradient(90deg,#a78bfa,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-switch{display:inline-flex;align-items:center;padding:3px;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:999px}
.lang-btn{min-width:48px;padding:6px 12px;border:none;background:transparent;color:var(--muted);border-radius:999px;cursor:pointer;font-size:.82rem;font-weight:600;transition:all .2s}
.lang-btn.active{background:linear-gradient(90deg,var(--purple),var(--blue));color:#fff}
.lang-btn:hover{color:#fff}
.nav-email{font-size:.82rem;color:var(--muted)}
.nav-quota-badge{font-size:.78rem;background:rgba(124,58,237,.25);border:1px solid rgba(124,58,237,.4);color:#c4b5fd;border-radius:20px;padding:3px 10px}
.btn-nav{padding:6px 16px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-size:.88rem;transition:opacity .2s}
.btn-nav:hover{opacity:.8}
.btn-nav-primary{background:linear-gradient(90deg,var(--purple),var(--blue));border-color:transparent}
.btn-logout{background:transparent;border:1px solid rgba(255,255,255,.15);color:var(--muted);padding:6px 14px;border-radius:8px;cursor:pointer;font-size:.82rem;transition:opacity .2s}
.btn-logout:hover{opacity:.7}

/* HERO */
.hero{text-align:center;padding:64px 20px 48px;max-width:720px;margin:0 auto}
.hero-badge{display:inline-block;font-size:.8rem;background:rgba(124,58,237,.2);border:1px solid rgba(124,58,237,.35);color:#c4b5fd;border-radius:20px;padding:5px 14px;margin-bottom:22px}
.hero-title{font-size:clamp(1.8rem,5vw,2.8rem);font-weight:800;line-height:1.2;margin-bottom:18px}
.gradient-text{background:linear-gradient(90deg,#a78bfa,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1rem;color:var(--muted);line-height:1.7;margin-bottom:28px}
.hero-cta-row{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.hero-cta-note{font-size:.82rem;color:var(--muted)}
.btn-primary{padding:13px 28px;background:linear-gradient(90deg,var(--purple),var(--blue));border:none;border-radius:10px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .2s,transform .1s}
.btn-primary:hover{opacity:.9}
.btn-primary:active{transform:scale(.98)}
.btn-lg{padding:14px 32px;font-size:1.05rem}
.btn-full{width:100%;margin-top:4px}

/* TOOL AREA */
.container{max-width:1100px;margin:0 auto;padding:0 20px 48px}
.tool-layout{display:flex;justify-content:center;gap:24px;align-items:stretch;visibility:hidden}
.tool-column{display:grid;grid-template-rows:auto 1fr auto auto;gap:16px;width:520px;flex-shrink:0}
.preview-column{width:270px;flex-shrink:0;position:relative;margin:0;overflow:hidden}

/* QUOTA BAR */
.quota-bar{display:flex;align-items:center;justify-content:space-between;background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.25);border-radius:10px;padding:10px 16px;font-size:.88rem;color:#c4b5fd}
.btn-upgrade-sm{padding:5px 14px;background:linear-gradient(90deg,var(--purple),var(--blue));border:none;border-radius:6px;color:#fff;font-size:.82rem;font-weight:600;cursor:pointer;transition:opacity .2s}
.btn-upgrade-sm:hover{opacity:.85}

/* INPUT */
.input-area{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;backdrop-filter:blur(12px);display:flex;flex-direction:column}
textarea{width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.15);border-radius:10px;padding:14px;color:#fff;font-size:.95rem;resize:none;outline:none;line-height:1.6;transition:border-color .2s;font-family:inherit;flex:1;min-height:0}
textarea::placeholder{color:rgba(255,255,255,.3);font-size:.88rem}
textarea:focus{border-color:#a78bfa}
button#parseBtn{margin-top:14px;width:100%;padding:14px;background:linear-gradient(90deg,var(--purple),var(--blue));border:none;border-radius:10px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:opacity .2s,transform .1s}
button#parseBtn:hover{opacity:.9}
button#parseBtn:active{transform:scale(.98)}
button#parseBtn:disabled{opacity:.6;cursor:not-allowed}

/* LOADER */
.loader{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}

/* ERROR */
.error-box{padding:14px 18px;background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.4);border-radius:10px;color:#fca5a5;font-size:.9rem;line-height:1.5}

/* RESULT */
.result-area{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column}
.result-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;backdrop-filter:blur(12px);flex:1;display:flex;flex-direction:column;min-height:0}
.preview-card{width:100%;flex:1;padding:12px;display:flex;flex-direction:column;gap:6px;min-height:0}
.preview-head{display:flex;flex-direction:column;gap:4px}
.preview-title{font-size:1rem;font-weight:700;color:rgba(255,255,255,.85)}
.preview-stage{flex:1;min-height:0;overflow:hidden;display:flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);padding:5px}
.preview-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:20px;color:var(--muted);font-size:.88rem}
.preview-empty-icon{font-size:2rem}
.video-wrap{max-width:100%;max-height:100%;background:#000;border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.video-wrap video{display:block;max-width:100%;max-height:100%;object-fit:contain}
.preview-video-wrap{max-height:100%;display:flex;align-items:center;justify-content:center}
.result-info{padding:0;display:flex;flex-direction:column;gap:12px}
.preview-actions{margin-top:auto}
.info-text{font-size:.82rem;color:var(--muted);word-break:break-all}
.download-btn{display:block;text-align:center;padding:12px;background:linear-gradient(90deg,#059669,var(--green));border-radius:10px;color:#fff;font-weight:600;font-size:.95rem;text-decoration:none;cursor:pointer;transition:opacity .2s,transform .1s}
.download-btn:hover{opacity:.9}
.download-btn:active{transform:scale(.98)}

/* TIPS */
.tips{margin-top:0;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:20px;display:flex;flex-direction:column;justify-content:center}
.tips h3{font-size:.95rem;color:var(--muted);margin-bottom:12px;font-weight:500}
.tips ol{padding-left:20px;display:flex;flex-direction:column;gap:8px}
.tips li{font-size:.88rem;color:rgba(255,255,255,.45);line-height:1.5}

/* PRICING */
.pricing-section{background:rgba(0,0,0,.25);border-top:1px solid var(--border);padding:64px 20px}
.pricing-inner{max-width:960px;margin:0 auto}
.pricing-title{text-align:center;font-size:clamp(1.5rem,4vw,2.2rem);font-weight:800;margin-bottom:10px}
.pricing-sub{text-align:center;color:var(--muted);margin-bottom:40px;font-size:.95rem}
.pricing-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.plan-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px 24px;display:flex;flex-direction:column;gap:10px;backdrop-filter:blur(12px);position:relative}
.plan-highlighted{border-color:var(--purple);background:rgba(124,58,237,.12)}
.plan-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,var(--purple),var(--blue));color:#fff;font-size:.72rem;font-weight:700;padding:4px 14px;border-radius:20px;white-space:nowrap}
.plan-badge-green{background:linear-gradient(90deg,#059669,var(--green))}
.plan-badge-orange{background:linear-gradient(90deg,#d97706,#f59e0b)}
.plan-name{font-size:1rem;font-weight:700;color:rgba(255,255,255,.85)}
.plan-price{font-size:2rem;font-weight:800}
.plan-price-unit{font-size:1rem;font-weight:400;color:var(--muted)}
.plan-period{font-size:.78rem;color:var(--muted);margin-bottom:4px}
.plan-features{list-style:none;display:flex;flex-direction:column;gap:8px;flex:1}
.plan-features li{font-size:.88rem;color:rgba(255,255,255,.7)}
.btn-plan{margin-top:8px;padding:12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:opacity .2s,transform .1s}
.btn-plan:hover{opacity:.85}
.btn-plan:active{transform:scale(.98)}
.btn-plan-primary{background:linear-gradient(90deg,var(--purple),var(--blue));border-color:transparent}

/* FOOTER */
.footer{text-align:center;padding:24px 20px;font-size:.78rem;color:rgba(255,255,255,.3);border-top:1px solid var(--border)}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);backdrop-filter:blur(4px);z-index:500;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:#1c1836;border:1px solid var(--border);border-radius:20px;padding:32px 28px;width:100%;max-width:400px;position:relative;display:flex;flex-direction:column;gap:14px}
.modal-close{position:absolute;top:16px;right:16px;background:transparent;border:none;color:var(--muted);font-size:1.1rem;cursor:pointer;line-height:1}
.modal-close:hover{color:#fff}
.modal-tabs{display:flex;gap:4px;background:rgba(255,255,255,.05);border-radius:10px;padding:4px}
.modal-tab{flex:1;padding:8px;background:transparent;border:none;color:var(--muted);font-size:.9rem;cursor:pointer;border-radius:8px;transition:all .2s}
.modal-tab.active{background:rgba(124,58,237,.35);color:#fff;font-weight:600}
.modal-desc{font-size:.88rem;color:var(--muted);line-height:1.5;margin-bottom:4px}
.modal-input{width:100%;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:#fff;font-size:.95rem;outline:none;transition:border-color .2s;font-family:inherit}
.modal-input:focus{border-color:#a78bfa}
.modal-error{font-size:.85rem;color:#fca5a5;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:9px 12px}

/* UPGRADE MODAL */
.upgrade-icon{font-size:2.5rem;text-align:center}
.upgrade-title{font-size:1.2rem;font-weight:700;text-align:center}
.upgrade-desc{font-size:.88rem;color:var(--muted);text-align:center;line-height:1.6}
.upgrade-options{display:flex;flex-direction:column;gap:12px}
.upgrade-option{display:flex;flex-direction:column;gap:3px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;cursor:pointer;text-align:left;transition:border-color .2s,opacity .2s}
.upgrade-option:hover{border-color:var(--purple);opacity:.9}
.upgrade-option-primary{background:rgba(124,58,237,.15);border-color:rgba(124,58,237,.4)}
.up-badge{font-size:.7rem;font-weight:700;color:#a78bfa;text-transform:uppercase;letter-spacing:.5px}
.up-name{font-size:.95rem;font-weight:700;color:#fff}
.up-price{font-size:1.3rem;font-weight:800;color:#fff}
.up-detail{font-size:.8rem;color:var(--muted)}

.hidden{display:none!important}

@media (max-width:720px){
  .nav-inner{height:auto;min-height:60px;padding:12px 20px;gap:12px;align-items:flex-start;flex-direction:column}
  .nav-actions{width:100%;flex-wrap:wrap}
  .tool-layout{flex-direction:column;align-items:center}
  .preview-column{order:2;position:static;width:100%;min-height:620px}
  .tool-column{order:1;grid-template-rows:auto auto auto auto;width:100%;max-width:100%}
  .result-area{position:static}
  .preview-card{min-height:620px}
}