*{box-sizing:border-box;margin:0;padding:0}
html,body{overflow-x:hidden;width:100%;max-width:100vw}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;background:#0a0e1a;color:#e2e8f0;line-height:1.6;min-height:100vh}
a{color:inherit;text-decoration:none}

.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 24px;border-bottom:1px solid #1e293b;background:#0d1117;width:100%}
.app-header .logo{font-size:22px;font-weight:700;background:linear-gradient(135deg,#a78bfa,#6366f1,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px}
.app-header .back-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:8px;background:#1e293b;color:#94a3b8;font-size:13px;border:1px solid #334155;cursor:pointer;transition:all .2s}
.app-header .back-btn:hover{background:#263040;color:#e2e8f0}

.wrap{max-width:1200px;margin:0 auto;padding:24px 16px}

.card{background:#111827;border:1px solid #1e293b;border-radius:16px;padding:20px;box-shadow:0 8px 32px rgba(0,0,0,.3)}
.card h2{font-size:18px;margin-bottom:14px;color:#c4b5fd}

label{display:block;font-size:13px;margin:10px 0 5px;color:#cbd5e1;font-weight:500}
input,select,textarea{width:100%;border-radius:10px;border:1px solid #334155;background:#0f172a;color:#f1f5f9;padding:10px 12px;font-size:14px;transition:border-color .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:#7c3aed}
textarea{resize:vertical;min-height:80px}

button{border-radius:10px;border:none;font-weight:600;cursor:pointer;padding:10px 18px;font-size:14px;transition:all .2s}
.btn-primary{background:linear-gradient(135deg,#7c3aed,#6366f1);color:#fff}
.btn-primary:hover{opacity:.9;transform:translateY(-1px)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-secondary{background:#1e293b;color:#cbd5e1;border:1px solid #334155}
.btn-secondary:hover{background:#263040}
.btn-danger{background:#dc2626;color:#fff}
.btn-danger:hover{background:#b91c1c}

.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.small{font-size:12px;color:#94a3b8}
.pill{display:inline-block;padding:4px 10px;border-radius:999px;background:linear-gradient(135deg,#1e1b4b,#312e81);font-size:12px;margin:3px 4px 0 0;color:#a5b4fc}

pre{white-space:pre-wrap;word-break:break-all;background:#020617;padding:14px;border-radius:12px;max-height:440px;overflow:auto;border:1px solid #1e293b;font-size:13px;color:#94a3b8}

.status-badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}
.status-pending{background:#422006;color:#fbbf24}
.status-running{background:#172554;color:#60a5fa}
.status-success{background:#052e16;color:#4ade80}
.status-failed{background:#450a0a;color:#f87171}

.config-bar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px;padding:10px 14px;background:#0f172a;border-radius:10px;border:1px solid #1e293b}
.config-item{font-size:12px;color:#94a3b8}
.config-item span{color:#e2e8f0;font-weight:500}

.video-preview{margin-top:12px;border-radius:10px;overflow:hidden;background:#000}
.video-preview video{width:100%;max-height:300px}

.loading-spinner{display:inline-block;width:14px;height:14px;border:2px solid #4338ca;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite;margin-right:6px;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}

.progress-bar{height:6px;background:#1e293b;border-radius:3px;margin-top:6px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,#7c3aed,#6366f1);border-radius:3px;transition:width .3s}

.actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.actions button{flex:1;min-width:120px}

.step-indicator{display:flex;gap:4px;margin:16px 0}
.step-dot{width:8px;height:8px;border-radius:50%;background:#334155;transition:all .3s}
.step-dot.active{background:#7c3aed;width:24px;border-radius:4px}
.step-dot.done{background:#4ade80}

.upload-zone{border:2px dashed #334155;border-radius:12px;padding:32px;text-align:center;cursor:pointer;transition:all .2s;background:#0f172a}
.upload-zone:hover{border-color:#7c3aed;background:#0f172a}
.upload-zone.dragover{border-color:#7c3aed;background:#1e1b4b}
.upload-zone input[type=file]{display:none}
.upload-zone .icon{font-size:36px;margin-bottom:8px;color:#7c3aed}
.upload-zone .text{color:#94a3b8;font-size:14px}
.upload-zone .hint{color:#64748b;font-size:12px;margin-top:4px}

.segment-list{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.segment-item{background:#0f172a;border:1px solid #1e293b;border-radius:10px;padding:14px}
.segment-item.active{border-color:#7c3aed}
.segment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.segment-title{font-weight:600;color:#e2e8f0;font-size:14px}

.chat-box{background:#0f172a;border:1px solid #1e293b;border-radius:12px;padding:12px;margin-top:12px;max-height:300px;overflow-y:auto}
.chat-msg{padding:8px 12px;border-radius:8px;margin-bottom:8px;font-size:13px;line-height:1.5}
.chat-msg.user{background:#312e81;color:#e2e8f0;margin-left:20%}
.chat-msg.ai{background:#1e293b;color:#cbd5e1;margin-right:20%}
.chat-input-row{display:flex;gap:8px;margin-top:10px}
.chat-input-row input{flex:1}
.chat-input-row button{flex-shrink:0}

.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;margin:12px 0}
.template-card{background:#0f172a;border:1px solid #1e293b;border-radius:10px;padding:12px;cursor:pointer;transition:all .2s;text-align:center}
.template-card:hover{border-color:#7c3aed;transform:translateY(-2px)}
.template-card.selected{border-color:#7c3aed;background:#1e1b4b}
.template-card .name{font-weight:600;font-size:13px;color:#e2e8f0;margin-bottom:4px}
.template-card .desc{font-size:11px;color:#94a3b8}

.tab-bar{display:flex;gap:4px;background:#0f172a;border-radius:10px;padding:4px;margin-bottom:16px;overflow-x:auto}
.tab-btn{padding:8px 16px;border-radius:8px;font-size:13px;font-weight:500;color:#94a3b8;background:transparent;border:none;cursor:pointer;white-space:nowrap;transition:all .2s}
.tab-btn.active{background:#7c3aed;color:#fff}
.tab-btn:hover:not(.active){background:#1e293b;color:#e2e8f0}

.toast{position:fixed;top:24px;right:24px;padding:12px 20px;border-radius:10px;font-size:14px;z-index:9999;animation:slideIn .3s;max-width:400px}
.toast.success{background:#052e16;border:1px solid #166534;color:#4ade80}
.toast.error{background:#450a0a;border:1px solid #991b1b;color:#f87171}
.toast.info{background:#172554;border:1px solid #1e40af;color:#60a5fa}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

.hidden{display:none!important}

@media(max-width:768px){
  .wrap{padding:16px 12px}
  .row{grid-template-columns:1fr}
  .template-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
}