*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --purple:#4C3CE2;--purple-light:#EEF0FE;--purple-mid:#6B5EF8;
  --teal:#5BC8F5;--teal-light:#E8F8FF;
  --coral:#F4845F;--coral-light:#FEF0EB;
  --bg:#F4F6FA;--white:#FFFFFF;--border:#E8ECF4;
  --text-main:#1A1D2E;--text-sub:#6B7280;--text-light:#9CA3AF;
  --shadow-sm:0 1px 4px rgba(0,0,0,.06);--shadow-md:0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:0 8px 32px rgba(76,60,226,.12);
  --sidebar-w:240px;--topbar-h:70px;--radius:12px;--radius-sm:8px;
}
html,body{height:100%;overflow:hidden}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--text-main);display:flex;font-size:14px;line-height:1.6}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#D1D5DB;border-radius:99px}

/* SIDEBAR */
.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);height:100vh;background:var(--white);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 16px;position:fixed;left:0;top:0;bottom:0;z-index:100;overflow-y:auto}
.sidebar-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px;padding:0 8px}
.logo-icon{width:36px;height:36px;background:var(--purple);color:#fff;border-radius:10px;display:grid;place-items:center;font-size:16px;font-weight:800;box-shadow:0 4px 12px rgba(76,60,226,.3)}
.logo-text{font-size:17px;font-weight:800;color:var(--text-main);letter-spacing:-.3px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);text-decoration:none;color:var(--text-sub);font-weight:500;font-size:14px;transition:all .2s;position:relative}
.nav-item:hover:not(.disabled){background:var(--purple-light);color:var(--purple)}
.nav-item.active{background:var(--purple-light);color:var(--purple);font-weight:600}
.nav-item.disabled{opacity:.45;cursor:not-allowed}
.nav-icon{width:20px;height:20px;display:grid;place-items:center;flex-shrink:0}
.nav-label{flex:1}
.nav-tag{font-size:10px;background:#F3F4F6;color:#9CA3AF;padding:2px 6px;border-radius:4px;font-weight:500}
.sidebar-upgrade{margin-top:auto;background:linear-gradient(135deg,var(--purple) 0%,var(--purple-mid) 100%);border-radius:var(--radius);padding:20px 16px;color:#fff;text-align:center}
.upgrade-rocket{font-size:2rem;margin-bottom:8px}
.upgrade-title{font-weight:700;font-size:15px;margin-bottom:4px}
.upgrade-desc{font-size:12px;opacity:.85;margin-bottom:14px;line-height:1.5}
.btn-upgrade{background:#fff;color:var(--purple);border:none;border-radius:var(--radius-sm);padding:8px 20px;font-weight:700;font-size:13px;cursor:pointer;width:100%;transition:transform .15s,box-shadow .15s}
.btn-upgrade:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.15)}

/* MAIN */
.main-content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;height:100vh;overflow:hidden}
.topbar{height:var(--topbar-h);min-height:var(--topbar-h);background:var(--white);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;box-shadow:var(--shadow-sm)}
.page-title{font-size:20px;font-weight:800;color:var(--text-main);letter-spacing:-.4px}
.page-sub{font-size:12.5px;color:var(--text-sub);margin-top:2px}
.topbar-right{display:flex;align-items:center;gap:14px}
.plan-badge{display:flex;align-items:center;gap:5px;background:var(--purple-light);color:var(--purple);padding:6px 14px;border-radius:99px;font-size:13px;font-weight:600;border:1px solid rgba(76,60,226,.15)}
.topbar-avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--coral),#f5a45f);border-radius:50%;color:#fff;font-weight:700;font-size:14px;display:grid;place-items:center;cursor:pointer}
.page-body{flex:1;overflow-y:auto;padding:28px 28px 80px;display:flex;flex-direction:column;gap:28px}

/* STEP BLOCKS */
.step-block{display:flex;flex-direction:column;gap:16px}
.locked-block{position:relative}
.step-bar{display:flex;align-items:center;gap:16px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-sm)}
.step-num-badge{width:44px;height:44px;min-width:44px;background:var(--purple);color:#fff;border-radius:12px;display:grid;place-items:center;font-size:16px;font-weight:800;letter-spacing:-.5px;box-shadow:0 4px 12px rgba(76,60,226,.3)}
.step-num-badge.dim{background:#E5E7EB;color:#9CA3AF;box-shadow:none}
.step-bar-info{flex:1}
.step-bar-title{font-size:16px;font-weight:700;color:var(--text-main)}
.step-bar-desc{font-size:12.5px;color:var(--text-sub);margin-top:2px}
.step-bar-status{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;color:var(--text-sub);background:#F9FAFB;padding:6px 12px;border-radius:99px;border:1px solid var(--border);white-space:nowrap}
.step-bar-status.locked{color:#9CA3AF}
.step-bar-status.done{color:#10B981;background:#ECFDF5;border-color:#A7F3D0}
.sdot{width:7px;height:7px;border-radius:50%;display:inline-block}
.sdot-idle{background:#D1D5DB}
.sdot-running{background:#F59E0B;animation:pulse .8s ease-in-out infinite}
.sdot-done{background:#10B981}
.sdot-lock{font-size:12px}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.lock-overlay{position:absolute;inset:64px 0 0 0;background:rgba(244,246,250,.88);backdrop-filter:blur(4px);border-radius:var(--radius);display:grid;place-items:center;z-index:10;margin-top:16px}
.lock-box{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px 32px;color:var(--text-sub);font-size:14px;font-weight:500;box-shadow:var(--shadow-md)}

/* CARDS */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm)}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.card-icon-box{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;flex-shrink:0}
.card-icon-box.purple{background:var(--purple-light);color:var(--purple)}
.card-icon-box.teal{background:var(--teal-light);color:#0EA5E9}
.card-icon-box.coral{background:var(--coral-light);color:var(--coral)}
.card-title{font-size:15px;font-weight:700;color:var(--text-main)}
.card-hint{font-size:12px;font-weight:400;color:var(--text-sub);margin-left:6px}

/* FORMS */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fg{display:flex;flex-direction:column;gap:6px}
.fg.full{grid-column:1/-1}
.fg label{font-size:13px;font-weight:600;color:var(--text-main)}
.fg label em{color:var(--coral);font-style:normal;margin-left:2px}
.fg label small{font-size:11px;font-weight:400;color:var(--text-light);background:#F3F4F6;padding:1px 6px;border-radius:4px;margin-left:4px}
.fg input,.fg textarea{border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:13.5px;color:var(--text-main);font-family:inherit;background:#FAFBFC;resize:vertical;transition:border-color .2s,box-shadow .2s;outline:none}
.fg input:focus,.fg textarea:focus{border-color:var(--purple);background:#fff;box-shadow:0 0 0 3px rgba(76,60,226,.1)}
.fg input::placeholder,.fg textarea::placeholder{color:var(--text-light)}

/* PLATFORM */
.platform-grid{display:flex;flex-wrap:wrap;gap:10px}
.pc{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:#FAFBFC;cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:500;color:var(--text-sub);transition:all .2s;min-width:70px}
.pc span{font-size:22px}
.pc:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-light)}
.pc.selected{border-color:var(--purple);background:var(--purple-light);color:var(--purple);font-weight:700;box-shadow:0 0 0 3px rgba(76,60,226,.15)}

/* MAIN GEN BTN */
.btn-main-gen{display:flex;align-items:center;gap:12px;width:100%;background:linear-gradient(135deg,var(--purple) 0%,var(--purple-mid) 100%);color:#fff;border:none;border-radius:var(--radius);padding:16px 28px;cursor:pointer;font-family:inherit;transition:all .25s;box-shadow:var(--shadow-lg)}
.btn-main-gen:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(76,60,226,.3)}
.btn-main-gen:active{transform:translateY(0)}
.btn-main-gen:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.bmg-icon{font-size:22px}
.bmg-main{font-size:16px;font-weight:700;flex:1;text-align:left}
.bmg-sub{font-size:12px;opacity:.75}
@keyframes spin{to{transform:rotate(360deg)}}

/* OUTPUT */
.out-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.out-card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:#FAFBFC;border-bottom:1px solid var(--border)}
.out-card-label{font-size:14px;font-weight:700;color:var(--text-main)}
.btn-copy-block{background:var(--white);border:1px solid var(--border);border-radius:6px;padding:5px 12px;font-size:12px;font-weight:500;color:var(--text-sub);cursor:pointer;font-family:inherit;transition:all .2s}
.btn-copy-block:hover{border-color:var(--purple);color:var(--purple)}
.out-body{padding:20px;font-size:13.5px;line-height:1.9;color:var(--text-main);white-space:pre-wrap;min-height:60px}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

/* STEP 2 */
.gen-all-row{display:flex;justify-content:flex-end;margin-bottom:16px}
.btn-gen-all{background:var(--white);border:1.5px solid var(--purple);color:var(--purple);border-radius:var(--radius-sm);padding:10px 20px;font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s}
.btn-gen-all:hover{background:var(--purple-light)}
.btn-gen-all:disabled{opacity:.5;cursor:not-allowed}
.img-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.img-mod-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.img-mod-title{font-size:14px;font-weight:700;color:var(--text-main);padding:14px 18px 12px;border-bottom:1px solid var(--border);background:#FAFBFC}
.img-variant-list{padding:16px;display:flex;flex-direction:column;gap:16px}
.iv{background:#FAFBFC;border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px}
.iv-label{font-size:12.5px;font-weight:600;color:var(--text-sub);margin-bottom:8px}
.ptxt{width:100%;border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-family:inherit;font-size:12.5px;color:var(--text-main);background:var(--white);resize:vertical;min-height:72px;outline:none;transition:border-color .2s}
.ptxt:focus{border-color:var(--purple)}
.iv-row{display:flex;align-items:center;gap:8px;margin-top:8px}
.sizesel{border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-family:inherit;font-size:12px;color:var(--text-sub);background:var(--white);cursor:pointer;outline:none}
.btn-gen-img{background:var(--purple);color:#fff;border:none;border-radius:6px;padding:7px 14px;font-family:inherit;font-size:12.5px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}
.btn-gen-img:hover{background:var(--purple-mid)}
.btn-gen-img:disabled{opacity:.5;cursor:not-allowed}
.img-res{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.img-res img{width:100%;max-width:240px;border-radius:8px;border:1px solid var(--border);object-fit:cover;cursor:pointer;transition:transform .2s}
.img-res img:hover{transform:scale(1.02)}
.img-res-item{position:relative;display:inline-block}
.img-dl-btn{position:absolute;bottom:6px;right:6px;background:rgba(0,0,0,.55);color:#fff;border:none;border-radius:6px;padding:3px 8px;font-size:11px;font-weight:600;cursor:pointer;font-family:inherit;opacity:0;transition:opacity .2s}
.img-res-item:hover .img-dl-btn{opacity:1}
.img-loading{color:var(--text-sub);font-size:13px;display:flex;align-items:center;gap:6px;padding:8px 0}
.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--purple);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}

/* STEP 3 */
.sb-toolbar{display:flex;align-items:center;justify-content:space-between;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:14px 20px;box-shadow:var(--shadow-sm)}
.sb-count{font-size:13.5px;color:var(--text-sub);font-weight:500}
.sb-count strong{color:var(--purple);font-size:16px}
.sb-toolbar-btns{display:flex;gap:10px}
.btn-sb-add{background:var(--purple);color:#fff;border:none;border-radius:var(--radius-sm);padding:9px 18px;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-sb-add:hover{background:var(--purple-mid);transform:translateY(-1px)}
.btn-sb-add:disabled{opacity:.4;cursor:not-allowed;transform:none}
.sb-empty{background:var(--white);border:2px dashed var(--border);border-radius:var(--radius);padding:48px;text-align:center;color:var(--text-light)}
.sb-empty p{font-size:14px;font-weight:500}
.sb-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:16px;animation:fadeUp .3s ease}
.sb-card-head{display:flex;align-items:center;gap:12px;padding:14px 18px;background:#FAFBFC;border-bottom:1px solid var(--border)}
.sb-num{background:var(--purple);color:#fff;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-size:13px;font-weight:700;flex-shrink:0}
.sb-head-title{flex:1;font-size:14px;font-weight:700;color:var(--text-main)}
.sb-head-controls{display:flex;align-items:center;gap:10px}
.sb-head-controls label{font-size:12px;color:var(--text-sub);font-weight:500}
.sb-head-controls select{border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-family:inherit;font-size:12px;color:var(--text-main);background:var(--white);cursor:pointer;outline:none}
.btn-sb-del{background:none;border:1px solid #FCA5A5;color:#EF4444;border-radius:6px;padding:4px 10px;font-family:inherit;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s}
.btn-sb-del:hover{background:#FEF2F2}
.sb-body{display:grid;grid-template-columns:1fr 1fr;gap:0}
.sb-script{padding:18px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:12px}
.sb-prompts{padding:18px;display:flex;flex-direction:column;gap:14px}
.sb-section-label{font-size:12px;font-weight:700;color:var(--text-sub);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.sb-field{display:flex;flex-direction:column;gap:5px}
.sb-field label{font-size:12.5px;font-weight:600;color:var(--text-main)}
.sb-field input,.sb-field textarea{border:1px solid var(--border);border-radius:6px;padding:7px 10px;font-family:inherit;font-size:12.5px;color:var(--text-main);background:#FAFBFC;resize:vertical;outline:none;transition:border-color .2s}
.sb-field input:focus,.sb-field textarea:focus{border-color:var(--purple);background:var(--white)}
.sb-frame-block{background:#F9FAFB;border:1px solid var(--border);border-radius:8px;padding:12px}
.sb-frame-label{font-size:12px;font-weight:700;color:var(--text-sub);margin-bottom:6px;display:flex;align-items:center;gap:5px}
.dot{width:8px;height:8px;border-radius:50%}
.dot-first{background:var(--teal)}
.dot-last{background:var(--coral)}
.dot-video{background:var(--purple)}
.sb-frame-block textarea{width:100%;border:1px solid var(--border);border-radius:6px;padding:7px 10px;font-family:inherit;font-size:12px;color:var(--text-main);background:var(--white);resize:vertical;min-height:60px;outline:none;transition:border-color .2s}
.sb-frame-block textarea:focus{border-color:var(--purple)}
.sb-frame-actions{display:flex;align-items:center;gap:8px;margin-top:8px}
.btn-frame{background:var(--white);border:1px solid var(--border);border-radius:6px;padding:5px 12px;font-family:inherit;font-size:12px;font-weight:500;color:var(--text-sub);cursor:pointer;transition:all .2s;white-space:nowrap}
.btn-frame:hover{border-color:var(--purple);color:var(--purple)}
.btn-frame:disabled{opacity:.4;cursor:not-allowed}
.btn-frame-video{background:var(--purple);color:#fff;border:none;border-radius:6px;padding:7px 16px;font-family:inherit;font-size:12.5px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}
.btn-frame-video:hover{background:var(--purple-mid)}
.btn-frame-video:disabled{opacity:.4;cursor:not-allowed}
.frame-img-res{margin-top:8px}
.frame-img-res img{max-width:100%;border-radius:6px;border:1px solid var(--border)}
.video-res{margin-top:8px}
.video-res video{max-width:100%;border-radius:8px;border:1px solid var(--border)}
.video-polling{display:flex;align-items:center;gap:8px;color:var(--text-sub);font-size:12.5px;padding:8px 0}

/* TOAST */
.toast-container{position:fixed;bottom:28px;right:28px;display:flex;flex-direction:column;gap:10px;z-index:9999}
.toast{background:var(--text-main);color:#fff;padding:12px 18px;border-radius:10px;font-size:13.5px;font-weight:500;box-shadow:0 8px 24px rgba(0,0,0,.2);animation:slideIn .3s ease;max-width:320px;display:flex;align-items:center;gap:8px}
.toast.success{background:#059669}
.toast.error{background:#DC2626}
.toast.info{background:var(--purple)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:none;opacity:1}}
@keyframes slideOut{from{transform:none;opacity:1}to{transform:translateX(120%);opacity:0}}
.toast.out{animation:slideOut .3s ease forwards}

@media(max-width:1100px){.img-grid{grid-template-columns:1fr}}
@media(max-width:860px){.sidebar{display:none}.main-content{margin-left:0}.form-grid{grid-template-columns:1fr}.sb-body{grid-template-columns:1fr}.sb-script{border-right:none;border-bottom:1px solid var(--border)}}

/* ── Status Bar（持久状态栏）──────────────────────────────── */
.status-bar {
  position: fixed;
  bottom: 0;
  left: var(--sidebar-w);
  right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  font-size: 13px;
  font-weight: 500;
  z-index: 500;
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0,0,0,0.08);
  animation: slideUp 0.25s ease;
}
@keyframes slideUp { from { transform:translateY(100%); opacity:0; } to { transform:translateY(0); opacity:1; } }
.status-info    { background: rgba(76,60,226,0.92);  color: #fff; }
.status-success { background: rgba(5,150,105,0.92);  color: #fff; }
.status-error   { background: rgba(220,38,38,0.92);  color: #fff; }
.status-warning { background: rgba(217,119,6,0.92);  color: #fff; }
.sb-icon { font-size: 15px; flex-shrink: 0; }

/* ── Button spinner ──────────────────────────────────────── */
.btn-spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .65s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
  opacity: 0.85;
  flex-shrink: 0;
}
.btn-loading { opacity: 0.85 !important; cursor: wait !important; pointer-events: none !important; }

/* ── Inline loading block ────────────────────────────────── */
.inline-loading {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: linear-gradient(135deg, var(--bg), #eef0fa);
  border: 1px dashed #c5cadf;
  border-radius: var(--radius-sm);
  margin: 4px 0;
}
.il-spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
.il-text { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.il-main { font-size: 13px; font-weight: 600; color: var(--text); }
.il-sub  { font-size: 11.5px; color: var(--text-3); }
.il-dots { display: flex; gap: 4px; align-items: center; }
.il-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
  animation: dotPulse 1.4s ease-in-out infinite;
}
.il-dots span:nth-child(2) { animation-delay: .2s; }
.il-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes dotPulse { 0%,100%{opacity:.3;transform:scale(.8)} 50%{opacity:1;transform:scale(1)} }

/* Progress bar */
.il-progress {
  width: 100%;
  height: 3px;
  background: rgba(76,60,226,.15);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 8px;
}
.il-progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 99px;
  transition: width 5s linear;
}

/* ── Inline error block ──────────────────────────────────── */
.inline-error {
  padding: 14px 16px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  color: #dc2626;
  font-size: 12.5px;
  line-height: 1.6;
}
.inline-error strong { display: block; margin-bottom: 4px; font-size: 13px; }
.inline-error p { margin-bottom: 4px; color: #991b1b; }
.err-hint { font-size: 11.5px; color: #b91c1c; margin-top: 4px; }
.err-retry-btn {
  margin-top: 10px;
  background: #dc2626;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--tr);
}
.err-retry-btn:hover { background: #b91c1c; }

/* ── streaming text ──────────────────────────────────────── */
.streaming { min-height: 40px; }
.streaming::after {
  content: '▌';
  color: var(--primary);
  animation: blink .7s step-end infinite;
}

/* ── Step done state ─────────────────────────────────────── */
.step-item.done .si-num {
  background: #10b981;
  color: #fff;
}

/* ══════════════════════════════════════════════════════════
   新增：UI 反馈样式
   ══════════════════════════════════════════════════════════ */

/* ── Toast 容器 ───────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  z-index: 9999;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  min-width: 220px;
  max-width: 380px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .3s ease, transform .3s ease;
  pointer-events: all;
}
.toast.show       { opacity: 1; transform: translateY(0); }
.toast-info       { background: #4C3CE2; }
.toast-success    { background: #059669; }
.toast-error      { background: #dc2626; }
.toast-warning    { background: #d97706; }
.t-icon           { font-size: 15px; flex-shrink: 0; }

/* ── Spin ring（按钮内旋转） ──────────────────────────── */
.spin-ring {
  display: inline-block;
  width: 13px; height: 13px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .65s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
  opacity: .85;
  flex-shrink: 0;
}
.is-loading { opacity: .8 !important; cursor: wait !important; }

/* ── 内联 Loading 块 ──────────────────────────────────── */
.fb-loading {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: linear-gradient(135deg, #f7f8fc, #eef0fa);
  border: 1.5px dashed #c5cadf;
  border-radius: 10px;
  margin: 6px 0;
}
.fb-spinner {
  width: 26px; height: 26px;
  border: 3px solid var(--primary, #4C3CE2);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
.fb-text    { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 0; }
.fb-main    { font-size: 13px; font-weight: 600; color: #1A1D2E; }
.fb-sub     { font-size: 11.5px; color: #9BA3BA; }
.fb-dots    { display: flex; gap: 4px; }
.fb-dots i  { display:block; width:6px; height:6px; border-radius:50%; background:#4C3CE2; list-style:none;
              animation: dotPop 1.4s ease-in-out infinite; }
.fb-dots i:nth-child(2) { animation-delay:.2s; }
.fb-dots i:nth-child(3) { animation-delay:.4s; }
@keyframes dotPop { 0%,100%{opacity:.3;transform:scale(.8)} 50%{opacity:1;transform:scale(1)} }
.fb-prog     { height: 3px; background: rgba(76,60,226,.12); border-radius:99px; margin-top:7px; overflow:hidden; }
.fb-prog-bar { height: 100%; background: #4C3CE2; border-radius:99px; transition: width 5s linear; }

/* ── 内联 Error 块 ────────────────────────────────────── */
.fb-error {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 10px;
  margin: 6px 0;
}
.fbe-icon   { font-size: 18px; flex-shrink:0; margin-top:1px; }
.fbe-body   { flex: 1; font-size: 12.5px; color: #991b1b; line-height: 1.6; }
.fbe-body strong { display:block; font-size:13px; margin-bottom:4px; color:#dc2626; }
.fbe-hint   { font-size: 11.5px; color: #b91c1c; margin-top:4px; }
.fbe-retry  { flex-shrink:0; background:#dc2626; color:#fff; border:none; border-radius:7px;
              padding:6px 14px; font-size:12px; font-weight:600; cursor:pointer;
              font-family:inherit; margin-top:2px; }
.fbe-retry:hover { background:#b91c1c; }

/* ── 字段高亮错误 ─────────────────────────────────────── */
.field-error, .field-error input, .field-error textarea {
  border-color: #f87171 !important;
  box-shadow: 0 0 0 3px rgba(248,113,113,0.2) !important;
}
.field-error.platform-grid { outline: 2px solid #f87171; outline-offset:4px; border-radius:8px; }

/* ── 流式输出光标 ─────────────────────────────────────── */
.streaming::after {
  content: '▌';
  color: #4C3CE2;
  animation: blink .7s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ── 生成图像展示 ─────────────────────────────────────── */
.gen-img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #E5E9F2;
  cursor: zoom-in;
  display: block;
  margin-bottom: 6px;
}
.gen-video {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #E5E9F2;
  display: block;
  margin-bottom: 6px;
}
.img-btns, .spb-res .btn-dl {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.btn-dl, .btn-regen {
  flex: 1;
  background: #F4F6FA;
  border: 1px solid #E5E9F2;
  border-radius: 6px;
  padding: 5px 0;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  color: #5A6074;
  text-align: center;
  transition: all .2s;
}
.btn-dl:hover, .btn-regen:hover {
  background: #EEF0FE;
  color: #4C3CE2;
  border-color: #4C3CE2;
}

/* ── 状态点 ───────────────────────────────────────────── */
.sdot       { display:inline-block; width:7px; height:7px; border-radius:50%; margin-right:5px; }
.sdot-idle  { background:#9BA3BA; }
.sdot-done  { background:#059669; }
.sdot-err   { background:#dc2626; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── 清空数据按钮 ─────────────────────────────────────── */
.btn-clear-cache {
  background: none;
  border: 1px solid #fca5a5;
  color: #dc2626;
  border-radius: 7px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all .2s;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-right: 10px;
}
.btn-clear-cache:hover { background: #fef2f2; border-color: #dc2626; }

/* ── 分镜设置卡 ──────────────────────────────────────── */
.sb-setup-card {
  background: var(--surface, #fff);
  border: 1px solid var(--border, #E5E9F2);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 16px;
}
.sb-setup-row {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}
.sb-setup-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sb-setup-field label {
  font-size: 12px;
  font-weight: 600;
  color: #5A6074;
}
.sb-setup-field select {
  border: 1.5px solid #E5E9F2;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
  color: #1A1D2E;
  background: #F4F6FA;
  outline: none;
  cursor: pointer;
  min-width: 140px;
}
.sb-setup-field select:focus { border-color: #4C3CE2; }
.sb-setup-hint {
  font-size: 12px;
  color: #9BA3BA;
  margin-top: 12px;
}

/* ── 分镜卡片（新版简洁风格）────────────────────────── */
.sb-card {
  background: #fff;
  border: 1.5px solid #E5E9F2;
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.sbc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: #F4F6FA;
  border-bottom: 1px solid #E5E9F2;
}
.sbn {
  background: #4C3CE2;
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.sbt { font-size: 14px; font-weight: 700; flex: 1; }
.sbc-meta { font-size: 12px; color: #9BA3BA; background: #fff; border: 1px solid #E5E9F2; border-radius: 20px; padding: 3px 10px; }
.sbc-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.sbc-ta-label { font-size: 12px; font-weight: 600; color: #5A6074; }
.sbc-ta {
  width: 100%;
  border: 1.5px solid #E5E9F2;
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 13px;
  color: #1A1D2E;
  background: #F4F6FA;
  resize: vertical;
  line-height: 1.7;
  outline: none;
  transition: border-color .2s;
}
.sbc-ta:focus { border-color: #4C3CE2; background: #fff; }
.btn-gen-video {
  width: 100%;
  background: linear-gradient(135deg, #F4845F, #e85d3e);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 11px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: all .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-gen-video:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(244,132,95,.4); }
.btn-gen-video:disabled { opacity:.6; cursor:wait; transform:none; box-shadow:none; }

/* ── 进度条 ──────────────────────────────────────────── */
.fb-prog { height:3px; background:rgba(76,60,226,.12); border-radius:99px; margin-top:8px; overflow:hidden; }
.fb-prog-bar { height:100%; background:#4C3CE2; border-radius:99px; transition:width 5s linear; }

/* ══════════════════════════════════════════════════════════
   文案输出区富文本美化
   ══════════════════════════════════════════════════════════ */

/* ── 章节标题 ─────────────────────────────────────────── */
.out-h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: #1A1D2E;
  margin: 22px 0 8px;
  padding-bottom: 6px;
  border-bottom: 1.5px solid #EEF0FE;
  position: relative;
}
.out-h3:first-child { margin-top: 0; }
.out-h3-bar {
  display: inline-block;
  width: 3px;
  height: 14px;
  background: linear-gradient(180deg, #4C3CE2, #5BC8F5);
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── 正文段落 ─────────────────────────────────────────── */
.out-p {
  font-size: 13.5px;
  line-height: 1.85;
  color: #3D4255;
  margin: 4px 0;
}

/* ── 列表 ─────────────────────────────────────────────── */
.out-ul {
  list-style: none;
  padding: 0;
  margin: 4px 0 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.out-ul li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #3D4255;
  padding: 7px 12px;
  background: #F8F9FD;
  border-radius: 7px;
  border-left: 2.5px solid #C4C9F0;
}
.out-ul li::before {
  content: '·';
  color: #4C3CE2;
  font-weight: 900;
  font-size: 16px;
  line-height: 1.5;
  flex-shrink: 0;
}

/* ── 段落间距 ─────────────────────────────────────────── */
.out-gap { height: 10px; }

/* ── 箭头 ─────────────────────────────────────────────── */
.out-arrow {
  color: #4C3CE2;
  font-weight: 700;
  margin: 0 3px;
}

/* ── 话题标签 chip ────────────────────────────────────── */
.tag-chip {
  display: inline-block;
  background: #EEF0FE;
  color: #4C3CE2;
  border-radius: 20px;
  padding: 1px 9px;
  font-size: 12px;
  font-weight: 600;
  margin: 2px 3px;
  white-space: nowrap;
  border: 1px solid #D4D8F8;
}

/* ── 两张输出卡片之间的间距 ────────────────────────────── */
#copyOutput .out-card + .out-card {
  margin-top: 24px;
}

/* ── 输出卡片整体微调 ─────────────────────────────────── */
.out-card {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #E5E9F2;
  box-shadow: 0 2px 12px rgba(76,60,226,0.06);
}
.out-card-head {
  background: linear-gradient(135deg, #F8F9FD, #EEF0FE);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #E5E9F2;
}
.out-card-label {
  font-size: 14px;
  font-weight: 700;
  color: #1A1D2E;
  display: flex;
  align-items: center;
  gap: 6px;
}
.out-body {
  padding: 20px 24px;
  background: #fff;
  max-height: 600px;
  overflow-y: auto;
}
.out-body::-webkit-scrollbar { width: 4px; }
.out-body::-webkit-scrollbar-track { background: transparent; }
.out-body::-webkit-scrollbar-thumb { background: #D4D8F8; border-radius: 99px; }

/* ── 流式打字光标 ─────────────────────────────────────── */
.streaming .out-p:last-child::after,
.streaming p:last-child::after {
  content: '▌';
  color: #4C3CE2;
  animation: blink .7s step-end infinite;
  margin-left: 2px;
}

/* ── logo 字体稍小以容纳「哦维」两字 ─────────────────── */
.logo-text { font-size: 14px !important; letter-spacing: -0.2px; }

/* ── 图像生成后：下载按钮贴在生成按钮旁 ────────────────── */
.btn-dl-img {
  background: #F4F6FA;
  border: 1.5px solid #4C3CE2;
  color: #4C3CE2;
  border-radius: 7px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all .2s;
  white-space: nowrap;
}
.btn-dl-img:hover { background: #EEF0FE; }

/* ── sbc-ta 高度增加（分镜提示词 textarea）────────────── */
.sbc-ta { min-height: 180px; }