:root{--shadow-soft:0 16px 45px rgba(23,57,45,.08);--shadow-hover:0 20px 52px rgba(23,57,45,.14)}
html{scroll-behavior:smooth}body{background:linear-gradient(180deg,#fbfcf9 0%,#f5f8f3 100%)}
header{position:sticky;top:0;z-index:20;height:84px;padding-inline:clamp(20px,5vw,72px);background:rgba(255,255,255,.9);backdrop-filter:blur(18px);box-shadow:0 1px 0 rgba(23,33,30,.06)}
.brand{gap:13px;transition:transform .25s ease}.brand:hover{transform:translateY(-1px)}.brand img{width:42px;height:42px}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:600;letter-spacing:.01em;margin-top:3px}
nav{display:flex;align-items:center;gap:5px;padding:5px;background:#f1f6f1;border:1px solid #e3ebe5;border-radius:14px}nav a{position:relative;padding:10px 14px;border-radius:10px;color:var(--muted);font-size:12px;font-weight:800;text-decoration:none;transition:color .22s ease,background .22s ease,transform .22s ease}nav a:hover{color:var(--green);transform:translateY(-1px)}nav a.active,nav a:focus-visible{color:var(--ink);background:#fff;box-shadow:0 4px 12px rgba(23,57,45,.08)}
.head-actions{display:flex;align-items:center;gap:12px}.language-control{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px;font-weight:800}.language-control select{appearance:none;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:800 11px Manrope,sans-serif;padding:9px 28px 9px 11px;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease}.language-control select:hover,.language-control select:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(24,125,92,.1);outline:none}
main{padding-top:54px}.hero{position:relative;padding:42px 44px;margin-bottom:24px;border:1px solid #e3ebe5;border-radius:28px;background:radial-gradient(circle at 85% 20%,#dff5eb 0,transparent 34%),#fff;box-shadow:var(--shadow-soft);overflow:hidden}.hero h1{font-size:clamp(42px,6vw,70px);margin-top:16px}.hero p{max-width:650px}.hero-art{position:absolute;right:24%;bottom:-22px;width:150px;height:150px;object-fit:contain;filter:drop-shadow(0 14px 18px rgba(23,57,45,.16));opacity:.95;pointer-events:none}.mini{position:relative;z-index:1;background:#f8fbf8;border:1px solid #e7eee9;border-radius:16px;padding:18px 20px;border-left:3px solid var(--green)}
.folder-tabs{position:sticky;top:84px;z-index:15;display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:0 0 24px;padding:9px;background:rgba(255,255,255,.92);border:1px solid #e1ebe4;border-radius:19px;box-shadow:0 10px 26px rgba(23,57,45,.08);backdrop-filter:blur(16px)}.folder-tab{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;align-items:center;column-gap:10px;text-align:left;padding:11px 13px;border:1px solid transparent;border-radius:13px;background:transparent;color:var(--muted);cursor:pointer}.folder-tab b{font-size:12px;color:inherit}.folder-tab small{font-size:9px;color:#8b9a93;grid-column:2}.folder-tab:hover{background:#f5faf6;color:var(--green)}.folder-tab.active{background:#fff;border-color:#d9e8dd;color:var(--ink);box-shadow:0 7px 16px rgba(23,57,45,.08)}.folder-icon{grid-row:1 / span 2;display:grid;place-items:center;width:31px;height:31px;border-radius:10px;font-size:18px;font-weight:800;line-height:1}.folder-icon-scan{background:#dff5eb;color:#187d5c}.folder-icon-route{background:#fff0d9;color:#b36f2d}.folder-icon-chat{background:#e5edf9;color:#476d9d}.folder-icon-archive{background:#eee9f8;color:#77629b}[hidden]{display:none!important}
.upload-card,.tools-card,.result,.history,.chat-assistant,.voice-assistant,.notice{box-shadow:var(--shadow-soft);transition:box-shadow .3s ease,transform .3s ease}.upload-card:hover,.tools-card:hover,.chat-assistant:hover,.voice-assistant:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.dropzone{transition:background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}.dropzone:hover,.dropzone.drag{box-shadow:0 10px 28px rgba(24,125,92,.12)}
button,.primary,.result button,.history button,.chat-choices button{transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease!important}button:hover,.primary:hover,.result button:hover,.history button:hover,.chat-choices button:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(24,125,92,.16)}button:active,.primary:active{transform:translateY(0) scale(.98)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(24,125,92,.22);outline-offset:2px}
.voice-assistant,.chat-assistant{border:1px solid #dfeae3;border-radius:22px}.voice-assistant{background:linear-gradient(135deg,#fff 45%,#edf8f1)}.chat-assistant{background:#fff}.voice-copy h2,.chat-head h2{letter-spacing:-.03em}.voice-controls small{display:block;margin-top:8px;color:#84938d;font-size:9px}.chat-options button{padding:9px 13px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:10px;font-weight:800}
.route{border-radius:24px;box-shadow:var(--shadow-soft)}.primary{border-radius:12px!important;padding:13px 18px!important;font-weight:800}.notice{border-radius:18px!important}
@media(max-width:860px){header{height:auto;min-height:78px;padding-block:12px;gap:12px}.brand small{display:none}nav{order:3;width:100%;justify-content:center}nav a{flex:1;text-align:center}.hero{padding:30px 24px}.hero-art{right:7%;bottom:-14px;width:112px;height:112px;opacity:.7}.head-actions{margin-left:auto}.language-control span{display:none}.folder-tabs{top:132px}}
@media(max-width:520px){main{padding-inline:16px;padding-top:28px}.hero h1{font-size:39px}.hero{border-radius:20px}.hero-art{right:-5px;bottom:-15px;width:96px;height:96px;opacity:.5}.folder-tabs{top:132px;grid-template-columns:repeat(2,1fr);gap:6px;padding:7px}.folder-tab{padding:9px}.folder-tab small{display:none}.voice-row button{min-height:42px}.chat-head{align-items:flex-start;gap:14px}.chat-head h2{font-size:21px}.chat-options{margin-left:auto}.brand{font-size:16px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}