/* ===== GameForge v2 — Dark Sci-Fi Theme ===== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

/* ===== Design Tokens ===== */
:root{
  --bg:#f0f4ff;
  --bg-secondary:#e8edf8;
  --bg-tertiary:#dde4f5;
  --bg-card:#ffffff;
  --border:#c8d3ea;
  --border-hover:#a0b0d0;
  --text:#0f172a;
  --text-secondary:#3d4f6e;
  --text-tertiary:#7c8fa8;
  --accent:#6366f1;
  --accent-hover:#4f46e5;
  --accent-glow:rgba(99,102,241,0.25);
  --cyan:#0891b2;
  --cyan-glow:rgba(8,145,178,0.2);
  --blue:#2563eb;
  --blue-hover:#1d4ed8;
  --blue-bg:rgba(37,99,235,0.07);
  --blue-border:rgba(37,99,235,0.2);
  --green:#059669;
  --green-bg:rgba(5,150,105,0.07);
  --green-border:rgba(5,150,105,0.2);
  --red:#dc2626;
  --red-bg:rgba(220,38,38,0.07);
  --red-border:rgba(220,38,38,0.2);
  --yellow:#d97706;
  --yellow-bg:rgba(217,119,6,0.07);
  --yellow-border:rgba(217,119,6,0.2);
  --radius:6px;
  --radius-lg:10px;
  --shadow:0 1px 3px rgba(99,102,241,0.08);
  --shadow-md:0 4px 16px rgba(99,102,241,0.12);
  --shadow-glow:0 0 20px var(--accent-glow);
  --font:'IBM Plex Sans',system-ui,sans-serif;
  --font-display:'Orbitron',monospace;
  --mono:'IBM Plex Mono','SF Mono',Consolas,monospace;
  --toc-bg:var(--bg-card);
  --toc-border:var(--border);
  --toc-active:rgba(99,102,241,0.08);
  --modal-bg:rgba(15,23,42,0.5);
  --scrollbar-thumb:#c8d3ea;
  --scrollbar-track:transparent;
}

/* Dark theme override */
[data-theme="dark"]{
  --bg:#080b14;
  --bg-secondary:#0d1220;
  --bg-tertiary:#111827;
  --bg-card:#0f1628;
  --border:#1e2d45;
  --border-hover:#2a3f5f;
  --text:#e2e8f0;
  --text-secondary:#7c8fa8;
  --text-tertiary:#4a5568;
  --accent:#6366f1;
  --accent-hover:#4f46e5;
  --accent-glow:rgba(99,102,241,0.35);
  --cyan:#22d3ee;
  --cyan-glow:rgba(34,211,238,0.25);
  --blue:#3b82f6;
  --blue-hover:#2563eb;
  --blue-bg:rgba(59,130,246,0.08);
  --blue-border:rgba(59,130,246,0.2);
  --green:#10b981;
  --green-bg:rgba(16,185,129,0.08);
  --green-border:rgba(16,185,129,0.2);
  --red:#f43f5e;
  --red-bg:rgba(244,63,94,0.08);
  --red-border:rgba(244,63,94,0.2);
  --yellow:#f59e0b;
  --yellow-bg:rgba(245,158,11,0.08);
  --yellow-border:rgba(245,158,11,0.2);
  --shadow:0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:0 4px 16px rgba(0,0,0,0.6);
  --toc-bg:var(--bg-secondary);
  --modal-bg:rgba(0,0,0,0.75);
  --scrollbar-thumb:#1e2d45;
}
[data-theme="dark"] body{
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(99,102,241,0.03) 1px,transparent 1px);
}
[data-theme="dark"] .topbar{background:rgba(8,11,20,0.85);box-shadow:0 1px 0 rgba(99,102,241,0.15),0 4px 20px rgba(0,0,0,0.4)}

/* ===== Base ===== */
html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  min-height:100vh;
  background-image:
    linear-gradient(rgba(99,102,241,0.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(99,102,241,0.06) 1px,transparent 1px);
  background-size:40px 40px;
}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--accent)}
button{font-family:var(--font);cursor:pointer}
input,select,textarea{font-family:var(--font)}

/* Scrollbar */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--scrollbar-track)}
::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}

/* ===== Layout ===== */
.app{display:flex;flex-direction:column;min-height:100vh}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;height:56px;
  background:rgba(240,244,255,0.9);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
  box-shadow:0 1px 0 rgba(99,102,241,0.1),0 4px 20px rgba(99,102,241,0.06);
}

.topbar-left{display:flex;align-items:center;gap:16px}
.topbar-logo{
  font-family:var(--font-display);
  font-size:14px;font-weight:700;
  letter-spacing:2px;
  color:var(--text);
  text-transform:uppercase;
}
.topbar-logo span{
  font-family:var(--font);
  font-size:12px;font-weight:400;
  letter-spacing:0;
  color:var(--text-tertiary);
  margin-left:4px;
}
.topbar-right{display:flex;align-items:center;gap:8px}

.main{flex:1;display:flex;justify-content:center;padding:32px 24px 64px}
.container{width:100%;max-width:720px}

/* Result layout with TOC */
.result-layout{display:flex;gap:0;max-width:1100px;width:100%;margin:0 auto}
.result-main{flex:1;min-width:0}
.toc-sidebar{
  width:220px;flex-shrink:0;
  position:sticky;top:56px;
  height:calc(100vh - 56px);
  overflow-y:auto;
  background:var(--toc-bg);
  border-left:1px solid var(--toc-border);
  padding:16px 0;
}
.toc-sidebar h4{
  font-size:10px;font-weight:600;
  color:var(--text-tertiary);
  text-transform:uppercase;letter-spacing:1.5px;
  padding:0 16px;margin-bottom:10px;
  font-family:var(--font-display);
}
.toc-item{
  display:block;padding:6px 16px;
  font-size:12px;color:var(--text-secondary);
  cursor:pointer;border-left:2px solid transparent;
  transition:all .15s;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.toc-item:hover{color:var(--text);background:rgba(99,102,241,0.05)}
.toc-item.active{
  color:var(--accent);
  border-left-color:var(--accent);
  background:var(--toc-active);
  font-weight:500;
  box-shadow:inset 0 0 8px rgba(99,102,241,0.1);
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--radius);
  font-size:13px;font-weight:500;
  border:1px solid transparent;
  transition:all .2s ease;line-height:1.4;
  position:relative;overflow:hidden;
}
.btn:active{transform:scale(0.97)}

.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-hover));
  color:#fff;border-color:var(--accent);
  box-shadow:0 0 0 0 var(--accent-glow);
}
.btn-primary:hover{
  box-shadow:0 0 16px var(--accent-glow),0 2px 8px rgba(0,0,0,0.3);
  transform:translateY(-1px);
}
.btn-primary:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}

.btn-secondary{
  background:var(--bg-card);color:var(--text);
  border-color:var(--border);
}
.btn-secondary:hover{background:var(--bg-tertiary);border-color:var(--border-hover)}

.btn-ghost{background:transparent;color:var(--text-secondary);border-color:transparent}
.btn-ghost:hover{color:var(--text);background:rgba(99,102,241,0.06)}
[data-theme="dark"] .btn-ghost:hover{background:rgba(255,255,255,0.05)}

.btn-danger{background:transparent;color:var(--red);border-color:var(--red-border)}
.btn-danger:hover{background:var(--red-bg)}

.btn-blue{
  background:linear-gradient(135deg,var(--blue),var(--blue-hover));
  color:#fff;border-color:var(--blue);
}
.btn-blue:hover{box-shadow:0 0 12px rgba(59,130,246,0.4);transform:translateY(-1px)}

.btn-sm{padding:5px 10px;font-size:12px}
.btn-lg{padding:10px 22px;font-size:14px;letter-spacing:0.3px}
.btn-block{width:100%;justify-content:center}
.btn-icon{width:32px;height:32px;padding:0;justify-content:center;border-radius:var(--radius)}

/* ===== Cards ===== */
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;margin-bottom:16px;
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(99,102,241,0.4),transparent);
}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.card-title{font-size:14px;font-weight:600;color:var(--text);letter-spacing:0.3px}

/* ===== Forms ===== */
.form-group{margin-bottom:16px}
.form-group:last-child{margin-bottom:0}
.form-label{display:block;font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;letter-spacing:0.8px;text-transform:uppercase}
.form-label .required{color:var(--red);margin-left:2px}
.form-hint{font-size:11px;color:var(--text-tertiary);margin-top:4px}
.form-input,.form-select,.form-textarea{
  width:100%;padding:9px 12px;
  background:var(--bg-secondary);
  border:1px solid var(--border);
  border-radius:var(--radius);
  font-size:13px;color:var(--text);
  outline:none;transition:border-color .2s,box-shadow .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px var(--cyan-glow),inset 0 0 0 1px rgba(34,211,238,0.1);
}
.form-input::placeholder,.form-textarea::placeholder{color:var(--text-tertiary)}
.form-textarea{min-height:120px;resize:vertical;line-height:1.6}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5568' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;cursor:pointer;
}
.form-select option{background:var(--bg-secondary);color:var(--text)}
.form-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.form-error{font-size:11px;color:var(--red);margin-top:4px;display:none}
.form-error.show{display:block}

/* ===== API Status ===== */
.api-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;font-weight:500;
  padding:4px 10px;border-radius:100px;letter-spacing:0.3px;
}
.api-status.connected{
  background:var(--green-bg);color:var(--green);
  border:1px solid var(--green-border);
  box-shadow:0 0 8px rgba(16,185,129,0.15);
}
.api-status.disconnected{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border)}
.api-status .dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 4px currentColor}
.api-status.connected .dot{animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}

.config-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.config-grid .full{grid-column:1/-1}
.provider-tabs{
  display:flex;gap:4px;margin-bottom:16px;
  padding:3px;background:var(--bg-secondary);
  border-radius:var(--radius);border:1px solid var(--border);
}
.provider-tab{
  flex:1;padding:7px 12px;border-radius:5px;
  font-size:12px;font-weight:500;
  color:var(--text-secondary);background:transparent;border:none;
  text-align:center;transition:all .15s;letter-spacing:0.3px;
}
.provider-tab:hover{color:var(--text)}
.provider-tab.active{
  background:var(--bg-card);color:var(--accent);
  box-shadow:var(--shadow),0 0 8px var(--accent-glow);
  border:1px solid var(--border);
}
.config-section{display:none}
.config-section.active{display:block}
.key-input-wrap{display:flex;gap:8px}
.key-input-wrap .form-input{flex:1;font-family:var(--mono);font-size:12px}
.test-result{margin-top:12px;padding:10px 14px;border-radius:var(--radius);font-size:12px;display:none;white-space:pre-line}
.test-result.success{display:block;background:var(--green-bg);border:1px solid var(--green-border);color:var(--green)}
.test-result.error{display:block;background:var(--red-bg);border:1px solid var(--red-border);color:var(--red)}

/* ===== Empty State ===== */
.empty-state{text-align:center;padding:64px 24px}
.empty-state-icon{
  width:64px;height:64px;margin:0 auto 20px;
  background:linear-gradient(135deg,rgba(99,102,241,0.15),rgba(34,211,238,0.1));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  display:flex;align-items:center;justify-content:center;font-size:24px;
  box-shadow:0 0 20px rgba(99,102,241,0.1);
}
.empty-state h3{
  font-size:18px;font-weight:600;margin-bottom:8px;
  background:linear-gradient(135deg,var(--text),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.empty-state p{font-size:13px;color:var(--text-secondary);max-width:360px;margin:0 auto;line-height:1.7}

/* ===== Result Section ===== */
.result-section{display:none}
.result-section.show{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.result-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.result-toolbar-left{display:flex;align-items:center;gap:8px}
.result-toolbar-right{display:flex;align-items:center;gap:4px}

.doc-content{
  background:var(--bg-secondary);border-top:1px solid var(--border);
  min-height:400px;padding:32px;font-size:14px;line-height:1.85;
  max-height:70vh;overflow-y:auto;
}
.doc-content.editable{
  outline:none;cursor:text;border-color:var(--cyan);
  box-shadow:inset 0 0 0 1px var(--cyan),inset 0 0 20px rgba(34,211,238,0.03);
}
.doc-content h1{font-family:var(--font-display);font-size:20px;font-weight:700;margin-bottom:6px;color:var(--text);letter-spacing:1px}
.doc-content .doc-meta{font-size:11px;color:var(--text-tertiary);margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border);letter-spacing:0.3px}
.doc-content h2{font-size:15px;font-weight:600;margin:28px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border);color:var(--cyan);position:relative}
.doc-content h2::after{content:'';position:absolute;bottom:-1px;left:0;width:40px;height:1px;background:var(--cyan);box-shadow:0 0 6px var(--cyan-glow)}
.doc-content h3{font-size:13px;font-weight:600;margin:16px 0 8px;color:var(--accent)}
.doc-content p{color:var(--text-secondary);margin-bottom:10px}
.doc-content ul,.doc-content ol{color:var(--text-secondary);padding-left:20px;margin-bottom:10px}
.doc-content li{margin-bottom:4px}
.doc-content strong{color:var(--text);font-weight:600}
.doc-content code{background:rgba(99,102,241,0.1);padding:1px 6px;border-radius:4px;font-size:12px;font-family:var(--mono);color:var(--cyan);border:1px solid rgba(99,102,241,0.2)}
.doc-content table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13px}
.doc-content th,.doc-content td{padding:8px 12px;text-align:left;border:1px solid var(--border)}
.doc-content th{background:rgba(99,102,241,0.08);font-weight:600;color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.5px}
.doc-content td{color:var(--text-secondary)}
.doc-content .highlight-box{background:rgba(99,102,241,0.06);border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 var(--radius) var(--radius) 0;margin:12px 0}
.doc-content .highlight-box p{color:var(--text-secondary);margin:0;font-size:13px}
.doc-content blockquote{border-left:3px solid var(--border);padding-left:16px;color:var(--text-secondary);margin:12px 0}

.section-regen-btn{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border:none;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:4px;cursor:pointer;font-size:11px;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .15s;color:var(--text-tertiary);
}
.doc-content:hover .section-regen-btn{opacity:1}
.section-regen-btn:hover{background:rgba(99,102,241,0.1);border-color:var(--accent);color:var(--accent);box-shadow:0 0 8px var(--accent-glow)}
.section-regen-btn.loading{opacity:1;pointer-events:none}

.followup-bar{display:flex;gap:8px;align-items:center;padding:12px 24px;border-top:1px solid var(--border);background:var(--bg-card)}
.followup-bar .form-input{flex:1}
.followup-hint{font-size:11px;color:var(--text-tertiary);padding:0 24px 8px;background:var(--bg-card);border-top:1px solid var(--border)}

/* ===== File Upload ===== */
.file-upload-area{
  border:2px dashed var(--border);border-radius:var(--radius);
  padding:24px;text-align:center;cursor:pointer;
  transition:all .2s;margin-top:12px;
}
.file-upload-area:hover{border-color:var(--accent);background:rgba(99,102,241,0.05)}
.file-upload-area input{display:none}

/* ===== Streaming ===== */
.streaming-cursor::after{content:'|';animation:blink 1s step-end infinite;color:var(--cyan);font-weight:300}
@keyframes blink{50%{opacity:0}}
.loading-spinner{
  width:24px;height:24px;
  border:2px solid var(--border);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin .7s linear infinite;margin:0 auto;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== Competitor Research ===== */
.comp-research-result{
  background:var(--bg-secondary);border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;margin-top:12px;
  max-height:50vh;overflow-y:auto;font-size:13px;line-height:1.8;
}
.comp-research-result h3{font-size:13px;font-weight:600;color:var(--accent);margin:16px 0 8px}
.comp-research-result h3:first-child{margin-top:0}
.comp-research-result p{color:var(--text-secondary);margin-bottom:8px}
.comp-research-result strong{color:var(--text)}
.comp-research-result ul{color:var(--text-secondary);padding-left:20px;margin-bottom:8px}
.comp-research-result li{margin-bottom:4px}
.comp-research-result table{width:100%;border-collapse:collapse;margin:8px 0;font-size:12px}
.comp-research-result th,.comp-research-result td{padding:6px 10px;text-align:left;border:1px solid var(--border)}
.comp-research-result th{background:rgba(99,102,241,0.08);font-weight:600;color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.3px}
.comp-research-result td{color:var(--text-secondary)}
.comp-research-result blockquote{border-left:3px solid var(--border);padding-left:12px;color:var(--text-tertiary);margin:8px 0;font-style:italic}
.comp-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.comp-tag{
  padding:3px 10px;border-radius:100px;font-size:11px;
  background:var(--bg-secondary);color:var(--text-secondary);
  border:1px solid var(--border);cursor:pointer;transition:all .15s;user-select:none;
}
.comp-tag:hover{border-color:var(--accent);color:var(--accent)}
.comp-tag.active{background:rgba(99,102,241,0.15);color:var(--accent);border-color:var(--accent);box-shadow:0 0 6px var(--accent-glow)}

/* ===== Art Asset Analysis ===== */
.art-asset-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.art-asset-item{
  display:flex;align-items:flex-start;gap:10px;padding:12px;
  border:1px solid var(--border);border-radius:var(--radius);
  cursor:pointer;transition:all .15s;
}
.art-asset-item:hover{border-color:var(--border-hover);background:rgba(255,255,255,0.02)}
.art-asset-item.selected{border-color:var(--accent);background:rgba(99,102,241,0.06)}
.art-asset-checkbox{
  width:18px;height:18px;border:2px solid var(--border);
  border-radius:4px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;transition:all .15s;
}
.art-asset-item.selected .art-asset-checkbox{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 6px var(--accent-glow)}
.art-asset-info{flex:1;min-width:0}
.art-asset-name{font-size:13px;font-weight:600;color:var(--text);margin-bottom:2px}
.art-asset-desc{font-size:12px;color:var(--text-tertiary);line-height:1.4}
.art-asset-type{display:inline-block;padding:1px 6px;border-radius:100px;font-size:10px;font-weight:500;background:rgba(99,102,241,0.1);color:var(--accent);border:1px solid rgba(99,102,241,0.2);margin-left:6px}
.art-prompt-box{
  margin-top:12px;padding:12px;
  background:var(--bg-secondary);border:1px solid var(--border);
  border-radius:var(--radius);font-size:13px;line-height:1.6;
  color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;
  max-height:300px;overflow-y:auto;display:none;
}
.art-prompt-box.show{display:block}
.art-prompt-box .prompt-label{font-size:10px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}
.art-prompt-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* ===== Toast ===== */
.toast-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{
  display:flex;align-items:center;gap:8px;
  padding:12px 16px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:0 4px 20px rgba(0,0,0,0.4),0 0 0 1px rgba(99,102,241,0.1);
  font-size:13px;color:var(--text);
  animation:toastIn .2s ease;min-width:240px;
  backdrop-filter:blur(8px);
}
.toast.success{border-color:var(--green-border);box-shadow:0 4px 20px rgba(0,0,0,0.4),0 0 8px rgba(16,185,129,0.15)}
.toast.error{border-color:var(--red-border)}
.toast.info{border-color:var(--blue-border)}
.toast-close{margin-left:auto;background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:14px;padding:2px}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px) scale(0.95)}to{opacity:1;transform:translateY(0) scale(1)}}

/* ===== Modal ===== */
.modal-overlay{display:none;position:fixed;inset:0;background:var(--modal-bg);z-index:200;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-overlay.show{display:flex}
.modal{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:0 20px 60px rgba(0,0,0,0.6),0 0 0 1px rgba(99,102,241,0.1);
  width:90%;max-width:560px;max-height:85vh;overflow-y:auto;
  animation:modalIn .2s ease;
  position:relative;
}
.modal::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(99,102,241,0.5),transparent);
}
.modal-wide{max-width:720px}
@keyframes modalIn{from{opacity:0;transform:scale(0.94) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 0}
.modal-header h2{font-size:15px;font-weight:600;letter-spacing:0.3px}
.modal-body{padding:20px 24px}
.modal-footer{padding:0 24px 20px;display:flex;justify-content:flex-end;gap:8px}

/* ===== Misc ===== */
.divider{height:1px;background:var(--border);margin:20px 0}

.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:100px;font-size:11px;font-weight:500}
.badge-blue{background:var(--blue-bg);color:var(--blue);border:1px solid var(--blue-border)}
.badge-green{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border);box-shadow:0 0 6px rgba(16,185,129,0.2)}

/* ===== History ===== */
.history-item{
  display:flex;align-items:center;gap:12px;padding:12px;
  border:1px solid var(--border);border-radius:var(--radius);
  cursor:pointer;transition:all .15s;margin-bottom:8px;
}
.history-item:hover{border-color:var(--border-hover);background:rgba(255,255,255,0.02)}
.history-item-info{flex:1;min-width:0}
.history-item-title{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.history-item-meta{font-size:11px;color:var(--text-tertiary);margin-top:2px}
.history-item-delete{background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:14px;padding:4px;border-radius:4px;opacity:0;transition:all .15s}
.history-item:hover .history-item-delete{opacity:1}
.history-item-delete:hover{color:var(--red);background:var(--red-bg)}

/* ===== Template Library ===== */
.template-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.template-card{
  padding:14px;border:1px solid var(--border);
  border-radius:var(--radius);cursor:pointer;transition:all .2s;
}
.template-card:hover{border-color:var(--accent);background:rgba(99,102,241,0.05);box-shadow:0 0 12px var(--accent-glow)}
.template-card.selected{border-color:var(--accent);background:rgba(99,102,241,0.08);box-shadow:0 0 0 1px var(--accent),0 0 12px var(--accent-glow)}
.template-card-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:4px}
.template-card-desc{font-size:12px;color:var(--text-tertiary);line-height:1.5}

/* ===== Prompt Editor ===== */
.prompt-editor{
  width:100%;min-height:200px;max-height:400px;
  font-family:var(--mono);font-size:12px;line-height:1.6;
  padding:12px;background:var(--bg-secondary);
  border:1px solid var(--border);border-radius:var(--radius);
  color:var(--text);resize:vertical;outline:none;
}
.prompt-editor:focus{border-color:var(--cyan);box-shadow:0 0 0 3px var(--cyan-glow)}
.prompt-presets{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.prompt-preset-btn{
  padding:4px 10px;border-radius:100px;font-size:11px;font-weight:500;
  border:1px solid var(--border);background:var(--bg-secondary);
  color:var(--text-secondary);cursor:pointer;transition:all .15s;
}
.prompt-preset-btn:hover{border-color:var(--accent);color:var(--accent)}
.prompt-preset-btn.active{border-color:var(--accent);background:rgba(99,102,241,0.1);color:var(--accent)}

/* ===== AI Polish ===== */
.polish-bar{
  display:flex;gap:8px;align-items:center;padding:12px 16px;
  background:rgba(99,102,241,0.06);
  border:1px solid rgba(99,102,241,0.2);
  border-radius:var(--radius);margin-top:12px;
}
.polish-bar .form-input{flex:1}

/* ===== Theme Toggle ===== */
.theme-toggle{
  position:relative;width:36px;height:20px;
  border-radius:10px;background:var(--border);
  border:none;cursor:pointer;transition:background .2s;
}
.theme-toggle::after{
  content:'';position:absolute;top:2px;left:2px;
  width:16px;height:16px;border-radius:50%;
  background:#fff;transition:transform .2s;
  box-shadow:0 1px 3px rgba(0,0,0,0.4);
}
.theme-toggle.dark{background:var(--accent);box-shadow:0 0 8px var(--accent-glow)}
.theme-toggle.dark::after{transform:translateX(16px)}

/* ===== Lang Switch ===== */
.lang-switch{
  display:flex;align-items:center;gap:4px;
  font-size:11px;color:var(--text-secondary);
  background:none;border:1px solid var(--border);
  border-radius:var(--radius);padding:4px 8px;cursor:pointer;
  transition:all .15s;letter-spacing:0.5px;
}
.lang-switch:hover{border-color:var(--border-hover);color:var(--text)}
.lang-switch code{font-size:11px;font-weight:600;color:var(--text);font-family:var(--font-display)}

/* ===== Collapsible ===== */
.collapsible-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:8px 0;user-select:none}
.collapsible-header:hover{color:var(--text)}
.collapsible-arrow{transition:transform .2s;font-size:10px;color:var(--text-tertiary)}
.collapsible-arrow.open{transform:rotate(90deg)}
.collapsible-body{overflow:hidden;max-height:0;transition:max-height .3s ease}
.collapsible-body.open{max-height:600px}

/* ===== Document Comparison ===== */
.compare-mode .history-item{position:relative;padding-left:40px}
.compare-mode .history-item::before{content:'';position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;border:2px solid var(--border);border-radius:4px;background:var(--bg-secondary);transition:all .15s}
.compare-mode .history-item.selected::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 6px var(--accent-glow)}
.compare-mode .history-item.selected::after{content:'✓';position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#fff;font-size:12px;font-weight:bold}
.compare-actions{display:none;gap:8px;align-items:center}
.compare-mode .compare-actions{display:flex}
.compare-mode .clear-actions{display:none}
.diff-view{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.diff-column{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.diff-column-header{padding:10px 16px;background:var(--bg-card);border-bottom:1px solid var(--border);font-weight:600;font-size:13px}
.diff-column-content{padding:16px;max-height:400px;overflow-y:auto;font-size:13px;line-height:1.6;white-space:pre-wrap;font-family:var(--mono)}
.diff-line{padding:2px 4px;margin:0 -4px}
.diff-line.added{background:var(--green-bg);color:var(--green)}
.diff-line.removed{background:var(--red-bg);color:var(--red);text-decoration:line-through}
.diff-line.unchanged{color:var(--text-secondary)}

/* ===== Batch Mode ===== */
.mode-toggle{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.mode-toggle-label{font-size:12px;color:var(--text-secondary)}
.mode-toggle-switch{position:relative;width:44px;height:22px;background:var(--border);border-radius:11px;cursor:pointer;transition:background .2s}
.mode-toggle-switch.active{background:var(--accent);box-shadow:0 0 8px var(--accent-glow)}
.mode-toggle-switch::after{content:'';position:absolute;top:2px;left:2px;width:18px;height:18px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,0.4)}
.mode-toggle-switch.active::after{transform:translateX(22px)}
.mode-toggle-text{font-size:12px;font-weight:500;color:var(--text)}
.batch-progress{padding:12px 16px;background:var(--blue-bg);border:1px solid var(--blue-border);border-radius:var(--radius);margin-bottom:16px;display:none}
.batch-progress.show{display:block}
.batch-progress-text{font-size:13px;color:var(--blue)}
.batch-progress-bar{height:3px;background:var(--border);border-radius:2px;margin-top:8px;overflow:hidden}
.batch-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--cyan));transition:width .3s;box-shadow:0 0 6px var(--accent-glow)}
.batch-results{margin-top:16px}
.batch-results-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.batch-results-title{font-size:15px;font-weight:600;color:var(--text)}
.batch-results-count{font-size:13px;color:var(--text-secondary)}
.batch-result-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .15s;margin-bottom:8px}
.batch-result-item:hover{border-color:var(--accent);background:rgba(99,102,241,0.05)}
.batch-result-item-info{flex:1;min-width:0}
.batch-result-item-title{font-size:13px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.batch-result-item-meta{font-size:12px;color:var(--text-tertiary);margin-top:2px}

/* ===== Extract Data ===== */
.extract-modal .modal{max-width:640px}
.extract-section{margin-bottom:20px}
.extract-section:last-child{margin-bottom:0}
.extract-section-title{font-size:12px;font-weight:600;color:var(--accent);margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:0.5px}
.extract-section-content{font-size:13px;color:var(--text-secondary)}
.extract-list{list-style:none;padding:0;margin:0}
.extract-list li{padding:6px 12px;background:var(--bg-secondary);border-radius:var(--radius);margin-bottom:4px;font-size:13px;border-left:2px solid var(--border)}
.extract-empty{color:var(--text-tertiary);font-style:italic}

/* ===== Print ===== */
@media print{
  body{background:#fff!important;color:#000!important;background-image:none!important}
  .topbar,.toast-container,.result-toolbar,.doc-footer-bar,.toc-sidebar,.footer-bar,.followup-bar,.followup-hint,.polish-bar,.batch-progress{display:none!important}
  .main{padding:0!important}
  .result-layout{max-width:100%!important}
  .doc-content{max-height:none!important;overflow:visible!important;border:none!important;padding:0!important;background:#fff!important;box-shadow:none!important}
  .doc-content h1,.doc-content h2,.doc-content h3{color:#000!important;-webkit-text-fill-color:#000!important}
  .doc-content h2::after{display:none!important}
  .doc-content p,.doc-content li,.doc-content td{color:#333!important}
  .doc-content strong{color:#000!important}
  .doc-content table{border-color:#ccc!important}
  .doc-content th,.doc-content td{border-color:#ccc!important}
  .doc-content th{background:#f0f0f0!important;color:#000!important}
  .doc-content blockquote{border-color:#ccc!important}
  .doc-content code{background:#f5f5f5!important;border-color:#ddd!important;color:#333!important}
  .result-section{display:block!important}
  .card{border:none!important;box-shadow:none!important;padding:0!important;margin:0!important}
  .modal-overlay{display:none!important}
  @page{margin:2cm;size:A4}
}

/* ===== Responsive ===== */
@media(max-width:900px){.toc-sidebar{display:none}}
@media(max-width:640px){
  .topbar{padding:0 16px}
  .main{padding:20px 16px 48px}
  .card{padding:20px}
  .form-row{grid-template-columns:1fr}
  .config-grid{grid-template-columns:1fr}
  .result-toolbar{flex-direction:column;align-items:flex-start}
  .doc-content{padding:20px}
  .template-grid{grid-template-columns:1fr}
}