@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root{
  --bg:#09090f;
  --surface:#111118;
  --surface2:#18181f;
  --surface3:#22222c;
  --border:#2a2a38;
  --accent:#f59e0b;
  --accent2:#fbbf24;
  --accent-glow:rgba(245,158,11,0.12);
  --green:#22c55e;
  --red:#ef4444;
  --blue:#3b82f6;
  --text:#f5f5fa;
  --text2:#9898b0;
  --text3:#55556a;
  --radius:14px;
  --radius-sm:8px;
}

body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}

/* HEADER */
.header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--accent),#f97316);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#000}
.logo-text{font-size:20px;font-weight:800;color:var(--text)}
.logo-text span{color:var(--accent)}
.header-right{display:flex;align-items:center;gap:12px}
.lang-select{background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:6px 12px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;outline:none}
.badge{font-size:11px;background:var(--accent-glow);color:var(--accent);border:1px solid var(--accent);padding:3px 10px;border-radius:20px;font-weight:600}

/* HERO */
.hero{text-align:center;padding:52px 24px 36px;max-width:720px;margin:0 auto}
.hero h1{font-size:clamp(26px,4vw,42px);font-weight:800;line-height:1.2;margin-bottom:14px;background:linear-gradient(135deg,#fff 0%,var(--accent2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--text2);font-size:16px;max-width:520px;margin:0 auto 24px}

/* LIMIT */
.limit-bar{display:flex;align-items:center;justify-content:center;gap:8px}
.limit-dots{display:flex;gap:5px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);transition:all 0.3s}
.dot.used{background:var(--surface3);border:1px solid var(--border)}
.limit-text{font-size:13px;color:var(--text2)}

/* CONTAINER */
.container{max-width:960px;margin:0 auto;padding:0 24px 80px}

/* LIMIT WARNING */
.limit-warning{display:none;background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.4);border-radius:var(--radius);padding:24px;text-align:center;margin-bottom:20px}
.limit-warning h3{color:#fca5a5;margin-bottom:6px;font-size:18px}
.limit-warning p{color:var(--text2);font-size:14px}
.timer-display{font-size:32px;font-weight:800;color:var(--accent);font-family:monospace;margin:12px 0}

/* MODE TABS */
.mode-tabs{display:flex;gap:8px;margin-bottom:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:6px}
.mode-tab{flex:1;padding:10px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text2);font-size:14px;font-weight:600;cursor:pointer;transition:all 0.2s}
.mode-tab.active{background:var(--accent);color:#000}
.mode-tab:hover:not(.active){color:var(--text)}

/* COMPARE GRID */
.compare-grid{display:grid;grid-template-columns:1fr 60px 1fr;gap:0;align-items:start;margin-bottom:20px}
.vs-col{display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:var(--text3);padding-top:80px}
.upload-col{width:100%}

/* UPLOAD ZONE */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:36px 20px;text-align:center;cursor:pointer;transition:all 0.3s;background:var(--surface)}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--accent-glow)}
.upload-zone input{display:none}
.thumb-label{font-size:11px;font-weight:800;color:var(--accent);letter-spacing:1px;margin-bottom:12px;display:block}
.upload-icon-box{width:48px;height:48px;border:2px solid var(--border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:300;color:var(--text3);margin:0 auto 12px}
.upload-zone h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}
.upload-zone p{font-size:12px;color:var(--text2)}

/* SINGLE UPLOAD */
.single-upload-wrap{max-width:500px;margin:0 auto 20px}

/* PREVIEW */
.preview-wrap{display:none;position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);margin-top:0}
.preview-wrap img{width:100%;max-height:200px;object-fit:contain;background:var(--surface2);display:block}
.preview-remove{position:absolute;top:8px;right:8px;background:var(--red);color:#fff;border:none;border-radius:50%;width:26px;height:26px;cursor:pointer;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}

/* ANALYZE BTN */
.analyze-btn{width:100%;padding:16px;background:linear-gradient(135deg,var(--accent),#f97316);color:#000;border:none;border-radius:var(--radius);font-size:16px;font-weight:700;cursor:pointer;transition:all 0.3s;margin-bottom:32px;margin-top:20px}
.analyze-btn:hover{opacity:0.9;transform:translateY(-1px);box-shadow:0 8px 30px rgba(245,158,11,0.4)}
.analyze-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none;box-shadow:none}

/* LOADING */
.loading{display:none;text-align:center;padding:48px}
.loading-spinner{width:48px;height:48px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 16px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading p{color:var(--text2);font-size:15px}

/* RESULT */
.result-section{display:none}
.new-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:10px 20px;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;font-weight:600;transition:all 0.2s}
.new-btn:hover{border-color:var(--accent);color:var(--accent)}

/* WINNER BANNER */
.winner-banner{background:linear-gradient(135deg,rgba(245,158,11,0.12),rgba(249,115,22,0.12));border:2px solid var(--accent);border-radius:var(--radius);padding:24px;text-align:center;margin-bottom:20px}
.winner-crown{font-size:12px;font-weight:800;letter-spacing:3px;color:var(--accent);margin-bottom:6px}
.winner-title{font-size:24px;font-weight:800;color:var(--accent);margin-bottom:8px}
.winner-reason{font-size:14px;color:var(--text2);max-width:600px;margin:0 auto}

/* SCORE GRID */
.score-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.score-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.score-card.winner-card{border-color:var(--accent);border-width:2px}
.score-thumb{width:100%;height:130px;object-fit:contain;border-radius:var(--radius-sm);background:var(--surface2);margin-bottom:14px;border:1px solid var(--border)}
.score-label{font-size:12px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px}
.score-number{font-size:44px;font-weight:800;margin-bottom:2px}
.score-number.high{color:var(--green)}
.score-number.mid{color:var(--accent)}
.score-number.low{color:var(--red)}
.grade-label{font-size:18px;font-weight:700;color:var(--text2);margin-bottom:10px}
.score-bar-wrap{margin:10px 0}
.score-bar{height:8px;background:var(--surface3);border-radius:4px;overflow:hidden}
.score-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--accent));transition:width 1.2s ease}

/* POINTS */
.points-section{margin-top:14px}
.points-title{font-size:11px;font-weight:700;letter-spacing:0.5px;margin-bottom:6px}
.green-title{color:var(--green)}
.red-title{color:var(--red)}
.orange-title{color:var(--accent)}
.point-item{display:flex;align-items:flex-start;gap:8px;padding:6px 0;border-bottom:1px solid var(--border);font-size:13px;color:var(--text2)}
.point-item:last-child{border:none}
.point-badge{font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;flex-shrink:0;margin-top:2px}
.badge-good{background:rgba(34,197,94,0.15);color:var(--green)}
.badge-bad{background:rgba(239,68,68,0.15);color:var(--red)}
.badge-tip{background:rgba(245,158,11,0.15);color:var(--accent)}

/* METRICS */
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin-top:12px}
.metric-chip{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px}
.metric-label{font-size:10px;color:var(--text3);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:2px}
.metric-value{font-size:12px;font-weight:600;color:var(--text)}

/* RESULT CARD */
.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.result-card.full{grid-column:1/-1}
.card-header{margin-bottom:14px}
.card-title{font-size:14px;font-weight:700;color:var(--text)}
.card-sub{font-size:12px;color:var(--text2);margin-top:2px}

/* ANALYSIS GRID */
.analysis-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* SINGLE RESULT */
.single-top{display:flex;align-items:flex-start;gap:24px;margin-bottom:16px}
.single-score-wrap{flex-shrink:0}
.single-score-big{font-size:56px;font-weight:800}
.single-score-big.high{color:var(--green)}
.single-score-big.mid{color:var(--accent)}
.single-score-big.low{color:var(--red)}
.single-bar-wrap{flex:1;padding-top:8px}
.verdict-text{font-size:13px;color:var(--text2);margin-top:12px;font-style:italic;line-height:1.6}

/* QUERY */
.query-item{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.query-platform{font-size:11px;font-weight:700;color:var(--blue);min-width:80px;flex-shrink:0}
.query-text{font-size:13px;color:var(--text);font-family:monospace;flex:1}
.copy-btn{background:var(--surface3);border:1px solid var(--border);color:var(--text2);padding:5px 12px;border-radius:6px;cursor:pointer;font-size:12px;transition:all 0.2s;flex-shrink:0}
.copy-btn:hover{border-color:var(--accent);color:var(--accent)}
.copy-btn.copied{border-color:var(--green);color:var(--green)}

/* SUGGESTION */
.suggestion-item{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:8px}
.suggestion-priority{font-size:10px;font-weight:700;letter-spacing:0.5px;margin-bottom:4px}
.priority-high{color:var(--red)}
.priority-medium{color:var(--accent)}
.priority-low{color:var(--green)}
.suggestion-text{font-size:13px;color:var(--text)}

/* ARTICLE */
.article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin-top:48px}
.article h2{font-size:22px;font-weight:700;margin-bottom:12px;color:var(--text)}
.article p{color:var(--text2);font-size:15px;line-height:1.8;margin-bottom:14px}
.article a{color:var(--accent);text-decoration:none}
.article a:hover{text-decoration:underline}

/* TOAST */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--surface2);border:1px solid var(--accent);color:var(--text);padding:10px 20px;border-radius:var(--radius);font-size:14px;opacity:0;transition:opacity 0.2s;pointer-events:none;z-index:999}
.toast.show{opacity:1}

/* FOOTER */
.footer{text-align:center;padding:24px;border-top:1px solid var(--border);color:var(--text3);font-size:13px;margin-top:40px}
.footer a{color:var(--accent);text-decoration:none}

@media(max-width:640px){
  .compare-grid{grid-template-columns:1fr}
  .vs-col{padding-top:0;padding:12px 0}
  .score-grid{grid-template-columns:1fr}
  .analysis-grid{grid-template-columns:1fr}
}