*{margin:0;padding:0;box-sizing:border-box}
:root{
    --bg:#f7f8fa;--card:#fff;--border:#e8eaed;
    --text:#1a1a2e;--text2:#6b7280;--text3:#9ca3af;
    --accent:#fe2c55;--accent-light:#fff0f3;
    --teal-light:#edfffe;--green:#10b981;--green-light:#ecfdf5;
    --blue:#3b82f6;--blue-light:#eff6ff;
    --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
    --shadow-md:0 4px 12px rgba(0,0,0,.07);
    --radius:12px;
}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none}
.wrap{max-width:620px;margin:0 auto;padding:0 20px}

nav{display:flex;align-items:center;justify-content:center;gap:10px;padding:28px 0 8px}
nav svg{width:28px;height:28px;color:var(--text)}
nav h1{font-size:18px;font-weight:800;letter-spacing:-.03em}

.hero{text-align:center;padding:36px 0 32px}
.hero h2{font-size:28px;font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:10px}
.hero h2 span{color:var(--accent)}
.hero p{font-size:15px;color:var(--text2);max-width:380px;margin:0 auto;line-height:1.5}

.dl-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow-md);margin-bottom:32px}
.input-row{display:flex;gap:10px}
.input-row input{flex:1;background:var(--bg);border:2px solid var(--border);border-radius:10px;padding:14px 16px;color:var(--text);font-family:inherit;font-size:15px;font-weight:500;outline:none;transition:border .2s;-webkit-user-select:text;user-select:text}
.input-row input::placeholder{color:var(--text3);font-weight:400}
.input-row input:focus{border-color:var(--accent)}

.btn-dl{flex-shrink:0;background:var(--accent);color:#fff;border:none;border-radius:10px;padding:0 28px;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:background .15s,transform .1s;-webkit-tap-highlight-color:transparent}
.btn-dl:hover{background:#e5163f}
.btn-dl:active{transform:scale(.97)}
.btn-dl:disabled{opacity:.5;cursor:default;transform:none}
.btn-dl .ic{width:18px;height:18px;flex-shrink:0}
.btn-dl svg.spin{width:18px;height:18px;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.result{margin-top:20px;animation:fadeUp .35s ease}
.preview{display:flex;gap:16px;padding:16px;background:var(--bg);border-radius:12px;margin-bottom:14px}
.preview img{width:80px;height:106px;object-fit:cover;border-radius:8px;background:var(--border);flex-shrink:0}
.v-info{display:flex;flex-direction:column;justify-content:center;gap:6px;min-width:0}
.v-info h3{font-size:14px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-info .author{font-size:13px;color:var(--accent);font-weight:600}
.v-stats{display:flex;gap:14px;font-size:12px;color:var(--text2);font-weight:500}
.v-stats span{display:inline-flex;align-items:center;gap:4px}
.v-stats svg{width:13px;height:13px;color:var(--text3)}

.dl-actions{display:flex;flex-direction:column;gap:8px}
.dl-act{width:100%;padding:14px;border:none;border-radius:10px;font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .15s,transform .1s;-webkit-tap-highlight-color:transparent;text-decoration:none}
.dl-act:active{transform:scale(.98)}
.dl-act svg{width:18px;height:18px;flex-shrink:0}
.dl-act.primary{background:var(--accent);color:#fff}
.dl-act.primary:hover{background:#e5163f}
.dl-act.secondary{background:var(--bg);color:var(--text);border:2px solid var(--border)}
.dl-act.secondary:hover{border-color:var(--text3)}

/* Locked state */
.dl-act.locked{opacity:.6;cursor:pointer;position:relative}
.dl-act.locked::after{content:"🔒";margin-left:4px;font-size:12px}

.err{margin-top:16px;padding:12px 16px;background:var(--accent-light);border:1px solid #fecdd3;border-radius:10px;font-size:13px;font-weight:500;color:var(--accent);display:flex;align-items:center;gap:8px;animation:fadeUp .3s ease}
.err svg{width:16px;height:16px;flex-shrink:0}

.features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:32px}
.feat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 16px;box-shadow:var(--shadow)}
.feat-ic{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.feat-ic svg{width:20px;height:20px}
.feat-ic.red{background:var(--accent-light);color:var(--accent)}
.feat-ic.teal{background:var(--teal-light);color:#0d9488}
.feat-ic.blue{background:var(--blue-light);color:var(--blue)}
.feat-ic.green{background:var(--green-light);color:var(--green)}
.feat h3{font-size:14px;font-weight:700;margin-bottom:4px}
.feat p{font-size:12px;color:var(--text2);line-height:1.45}

.steps-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px 24px;box-shadow:var(--shadow);margin-bottom:32px}
.steps-card h2{font-size:18px;font-weight:800;text-align:center;margin-bottom:24px;letter-spacing:-.02em}
.steps{display:flex;flex-direction:column;gap:20px}
.stp{display:flex;align-items:flex-start;gap:16px}
.stp-n{flex-shrink:0;width:36px;height:36px;background:var(--accent);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800}
.stp-body h4{font-size:14px;font-weight:700;margin-bottom:2px}
.stp-body p{font-size:13px;color:var(--text2);line-height:1.45}

.ad-slot{display:flex;justify-content:center;margin-bottom:32px}

footer{text-align:center;padding:16px 0 40px;font-size:12px;color:var(--text3)}
footer a{color:var(--text2);text-decoration:none;font-weight:500}

/* ══ LOCKER OVERLAY ══ */
.locker-overlay{
    position:fixed;inset:0;z-index:9999;
    background:rgba(0,0,0,.5);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    opacity:0;
    transition:opacity .3s ease;
    display:flex;
    align-items:stretch;
}
.locker-overlay.active{opacity:1}
.locker-container{
    width:100%;height:100%;
    display:flex;
}
.locker-container iframe{
    width:100%;height:100%;
    border:none;
}

@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:480px){.hero h2{font-size:24px}.input-row{flex-direction:column}.btn-dl{padding:14px;justify-content:center}.dl-card{padding:18px}.steps-card{padding:22px 18px}}