/* Светлая тема всегда по умолчанию; тёмная включается кнопкой в шапке. */
:root{
  --bg:#f4f6fb;--panel:#fff;--panel-alt:#eff3f9;--field:#fff;--field-alt:#f6f9fd;
  --line:#dde4ee;--line-strong:#bcc8d8;--line-soft:#e9eef5;
  --text:#132033;--text-2:#37485e;--text-3:#5a6c83;--text-4:#7486a0;
  --accent:#0f766e;--accent-soft:#dff3f0;--accent-line:#8fcbc4;--accent-text:#0b5f59;
  --primary:#0f766e;--primary-hover:#0c625b;--primary-text:#fff;
  --btn:#fff;--btn-text:#1d3049;--btn-line:#c6d1df;
  --ok:#0f7a4d;--ok-bg:#e2f5ec;--warn:#8a5a00;--warn-bg:#fff4d9;--warn-line:#e2b24a;
  --danger:#b3261e;--danger-bg:#fdeceb;--danger-line:#e59a95;--info:#3a5a86;--info-bg:#e8eff9;
  --focus:#0f766e;--overlay:#0b1220b3;--header-bg:#f4f6fbe6;
  --shadow:0 1px 2px #1a2a4010,0 6px 20px #1a2a4012;--shadow-lg:0 8px 30px #1a2a4026;
  --radius:16px;
  color-scheme:light;
}
:root[data-theme=dark]{
  --bg:#0b1220;--panel:#111c2e;--panel-alt:#152338;--field:#0b1422;--field-alt:#142033;
  --line:#26354a;--line-strong:#3f5169;--line-soft:#1f2d42;
  --text:#e8eef7;--text-2:#b9c7da;--text-3:#9aaac0;--text-4:#7b8ea8;
  --accent:#7fe0d5;--accent-soft:#12332f;--accent-line:#2f7a73;--accent-text:#8fe8de;
  --primary:#a5ece3;--primary-hover:#bff3ec;--primary-text:#0d302c;
  --btn:#1a2a41;--btn-text:#d8e6f5;--btn-line:#3a4d67;
  --ok:#6fdca6;--ok-bg:#12352a;--warn:#f0cd88;--warn-bg:#2d2a1c;--warn-line:#a98d4b;
  --danger:#ffb4ae;--danger-bg:#3a1f22;--danger-line:#a5545b;--info:#a9c4ea;--info-bg:#182a44;
  --focus:#7fe0d5;--overlay:#050b15d9;--header-bg:#0b1220e6;
  --shadow:none;--shadow-lg:0 8px 30px #00000066;
  color-scheme:dark;
}
:root{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none;font-size:14px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:1px solid var(--btn-line);color:var(--btn-text);background:var(--btn);border-radius:10px;padding:10px 14px;font-size:13px;font-weight:500;transition:border-color .15s,background .15s,box-shadow .15s}
button:hover:not(:disabled){border-color:var(--accent-line);box-shadow:0 1px 4px #1a2a4014}
button:disabled{cursor:not-allowed;opacity:.5}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
input,select,textarea{width:100%;background:var(--field);color:var(--text);border:1px solid var(--line-strong);border-radius:10px;padding:10px 12px;transition:border-color .15s,box-shadow .15s}
input:hover,select:hover,textarea:hover{border-color:var(--accent-line)}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
[hidden]{display:none!important}

.shell{max-width:1360px;margin:auto;padding:0 32px 32px}
.locked .shell{display:none}

/* Шапка */
.top{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:20px;padding:14px 0;background:var(--header-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-weight:700;font-size:16px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-sub{font-size:11px;font-weight:400;color:var(--text-3)}
.brand-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#0f766e,#14a094);color:#fff;font-size:22px;box-shadow:0 4px 12px #0f766e40}
.profile-inline{display:flex;align-items:center;gap:8px;justify-self:center;width:100%;max-width:620px}
.profile-inline label{font-size:12px;font-weight:600;color:var(--text-3);white-space:nowrap}
.profile-inline select{flex:1;min-width:0;font-weight:600}
.profile-inline button{white-space:nowrap}
.header-right{display:flex;align-items:center;gap:8px}
#theme-toggle{border-radius:24px}
.profile-note{margin:14px 0 0;padding:12px 16px;border:1px dashed var(--warn-line);border-radius:12px;background:var(--warn-bg);color:var(--warn);font-size:13px}
.profile-note:empty{display:none}

/* Шаги */
.steps{list-style:none;display:flex;gap:8px;padding:0;margin:18px 0 20px;flex-wrap:wrap}
.steps li{display:flex;align-items:center;gap:8px;padding:7px 14px 7px 8px;border:1px solid var(--line);border-radius:24px;background:var(--panel);color:var(--text-3);font-size:12.5px;font-weight:500}
.steps b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--panel-alt);color:var(--text-3);font-size:11px}
.steps li.current{border-color:var(--accent);color:var(--accent-text);background:var(--accent-soft);font-weight:600}
.steps li.current b{background:var(--accent);color:var(--primary-text)}
.steps li.done{color:var(--ok)}
.steps li.done b{background:var(--ok);color:#fff;font-size:0}
.steps li.done b::before{content:"✓";font-size:12px}

/* Раскладка */
.workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:24px;align-items:start}
.side{display:flex;flex-direction:column;gap:14px;min-width:0}
.content{min-width:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}

/* Загрузка файлов */
.drop{display:flex;align-items:center;gap:14px;position:relative;padding:18px;border:2px dashed var(--line-strong);border-radius:var(--radius);background:var(--panel);cursor:pointer;transition:all .15s}
.drop:hover{border-color:var(--accent);background:var(--accent-soft)}
.drop.drag{border-color:var(--accent);background:var(--accent-soft);transform:scale(1.01)}
.drop input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.drop:focus-within{outline:3px solid var(--focus)}
.upload-icon{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--primary);color:var(--primary-text);font-size:24px;font-weight:300}
.drop-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.drop strong{font-size:14px}
.drop-text span{font-size:12px;line-height:1.45;color:var(--text-3)}
.documents{display:flex;flex-direction:column;gap:6px}
.doc{background:var(--panel);color:var(--text-2);border:1px solid var(--line);border-radius:12px;text-align:left;padding:11px 14px;font-size:12.5px;line-height:1.5}
.doc.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-text);font-weight:600;box-shadow:inset 3px 0 0 var(--accent)}

/* Параметры */
.settings{padding:20px}
.settings h2{font-size:15px;margin:0 0 4px}
.settings label{display:block;color:var(--text-2);font-size:12px;font-weight:600;margin:14px 0 6px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hint{font-size:11.5px;line-height:1.6;color:var(--text-3);margin:8px 0 0}
.settings .checkbox{display:flex;align-items:center;gap:10px;margin:18px 0 0;font-weight:500}
.checkbox{display:flex;align-items:center;gap:10px}
.checkbox input{width:18px;height:18px;margin:0;accent-color:var(--accent)}
details{border-top:1px solid var(--line-soft);margin-top:16px;padding-top:12px}
summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--text-2)}

/* Результат */
.result{padding:24px}
.result-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px}
.result-head h2{font-size:22px;line-height:1.3;margin:0;letter-spacing:-.3px}
.eyebrow{font-size:10.5px;font-weight:700;letter-spacing:1.6px;color:var(--accent-text);margin:0 0 6px}
.muted{font-size:12px;color:var(--text-3);margin:4px 0 0;overflow-wrap:anywhere}
.text-button{border:0;background:transparent;color:var(--text-3);padding:6px 8px;font-size:12px;box-shadow:none}
.text-button:hover:not(:disabled){color:var(--danger);box-shadow:none;text-decoration:underline}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0 16px}
.metrics>div{padding:14px 16px;border:1px solid var(--line-soft);border-radius:12px;background:var(--field-alt)}
.metrics span{display:block;color:var(--text-3);font-size:11.5px;margin-bottom:4px}
.metrics strong{font-weight:650;font-size:21px;letter-spacing:-.4px;white-space:nowrap}

/* Готовность */
.readiness{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 12px}
.readiness li{display:flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border-radius:24px;font-size:12.5px;font-weight:500;border:1px solid transparent}
.readiness li::before{content:attr(data-icon);display:grid;place-items:center;width:20px;height:20px;border-radius:50%;font-size:11px;font-weight:700;color:#fff}
.readiness .ok{background:var(--ok-bg);color:var(--ok)}.readiness .ok::before{background:var(--ok)}
.readiness .warn{background:var(--warn-bg);color:var(--warn);border-color:var(--warn-line)}.readiness .warn::before{background:var(--warn-line)}
.readiness .block{background:var(--danger-bg);color:var(--danger);border-color:var(--danger-line)}.readiness .block::before{background:var(--danger)}
.readiness .info{background:var(--info-bg);color:var(--info)}.readiness .info::before{background:var(--info)}
.warnings{font-size:12.5px;line-height:1.6;color:var(--warn)}
.warnings p{border-left:3px solid var(--warn-line);padding:9px 14px;background:var(--warn-bg);margin:6px 0;border-radius:0 10px 10px 0}

/* Таблица */
.table-wrap{max-height:460px;overflow:auto;margin-top:14px;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;min-width:680px;font-size:13px}
thead{position:sticky;top:0;background:var(--panel-alt);z-index:1}
th{color:var(--text-3);font-size:11px;font-weight:600;text-align:right;padding:11px 12px;white-space:nowrap;border-bottom:1px solid var(--line)}
th:nth-child(2),td:nth-child(2){text-align:left}
td{padding:12px;border-bottom:1px solid var(--line-soft);text-align:right;line-height:1.45;vertical-align:top;font-variant-numeric:tabular-nums}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--field-alt)}
td:nth-child(2){min-width:220px;max-width:300px;font-weight:500}
td small{display:block;color:var(--text-4);font-size:11px;font-weight:400;overflow-wrap:anywhere}
td:first-child{color:var(--text-4)}
td:nth-child(6){font-weight:600}
.mark-button{font-size:11px;padding:4px 9px;border-radius:8px}
.calculation{font-size:12.5px;line-height:1.8;padding:14px 2px 6px;color:var(--text-2)}

/* Панель действий (закреплена внизу экрана) */
.actionbar{position:sticky;bottom:12px;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:14px;padding:14px 16px;border:1px solid var(--line-strong);border-radius:14px;background:var(--panel);box-shadow:var(--shadow-lg)}
.cta-info{display:flex;flex-direction:column;min-width:200px;flex:1}
.cta-info strong{font-size:14px}
.cta-info strong.ok{color:var(--ok)}
.cta-info strong.block{color:var(--danger)}
.cta-info span{font-size:12px;color:var(--text-3);line-height:1.45}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.primary{background:var(--primary);color:var(--primary-text);border-color:var(--primary);font-weight:700;padding:11px 20px;font-size:14px}
.primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}
#message:not(:empty){font-size:13px;line-height:1.6;padding:13px 16px;margin-bottom:14px;border:1px solid var(--line-strong);border-radius:12px;background:var(--panel);color:var(--text);white-space:pre-wrap;box-shadow:var(--shadow)}
#message.error{border-color:var(--danger-line);background:var(--danger-bg);color:var(--danger)}

/* Пустое состояние */
.empty{padding:44px 32px;text-align:center}
.empty-icon{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 16px;border-radius:20px;background:var(--accent-soft);font-size:30px}
.empty h2{font-size:21px;margin:0 0 6px;letter-spacing:-.3px}
.empty>p{color:var(--text-3);margin:0 0 28px}
.empty-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:0;margin:0;text-align:left}
.empty-steps li{display:flex;gap:12px;padding:16px;border:1px solid var(--line-soft);border-radius:14px;background:var(--field-alt)}
.empty-steps b{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:var(--primary-text);font-size:13px}
.empty-steps span{font-size:12.5px;color:var(--text-3);line-height:1.55}
.empty-steps strong{display:block;color:var(--text);font-size:13.5px;margin-bottom:2px}

/* Подвал */
footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0 0;margin-top:36px;color:var(--text-4);font-size:12px}
.import-label{display:inline-block;position:relative;overflow:hidden;cursor:pointer;color:var(--text-3);font-size:12px;padding:6px 8px}
.import-label:hover{color:var(--accent-text);text-decoration:underline}
.import-label input{position:absolute;inset:0;opacity:0;cursor:pointer}

/* Диалоги */
dialog{width:min(850px,calc(100vw - 30px));max-height:90vh;overflow:auto;padding:28px;background:var(--panel);color:var(--text);border:1px solid var(--line-strong);border-radius:20px;box-shadow:var(--shadow-lg)}
dialog::backdrop{background:var(--overlay)}
.dialog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}
.dialog-top h2{margin:0 0 14px;font-size:22px}
dialog label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin:14px 0}
dialog input,dialog select{margin-top:6px}
dialog .checkbox{font-weight:500}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-grid label{overflow-wrap:anywhere}
.profile-defaults{margin:24px 0}
.profile-defaults h3{font-size:16px}
#profile-error{color:var(--warn);font-size:12.5px;line-height:1.7;margin:14px 0}
textarea{resize:vertical;line-height:1.5;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}

/* Вход */
.login{min-height:100vh;display:grid;place-items:center;padding:16px;background:var(--bg)}
.login form{width:min(380px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow-lg)}
.login h1{font-size:26px;margin:0 0 6px}
.login label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin:20px 0 8px}
.login .primary{width:100%;margin-top:6px}
#login-error{color:var(--danger);font-size:12.5px;min-height:18px;margin:10px 0}

@media(max-width:1100px){.top{grid-template-columns:1fr auto;grid-template-areas:"brand right" "profile profile"}.brand{grid-area:brand}.header-right{grid-area:right}.profile-inline{grid-area:profile;max-width:none}.metrics{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.workspace{grid-template-columns:1fr}.empty-steps{grid-template-columns:1fr}}
@media(max-width:600px){.shell{padding:0 16px 24px}.result{padding:16px}.two,.form-grid{grid-template-columns:1fr}.actionbar{bottom:8px}.actions{width:100%}.actions button{flex:1}.primary{flex:2}footer{flex-direction:column;align-items:flex-start}dialog{padding:18px}.profile-inline label{display:none}.empty{padding:28px 18px}}
footer>div{display:flex;align-items:center;gap:4px}

/* Красная стрелка к полю загрузки */
:root{--arrow:#e0242b}
:root[data-theme=dark]{--arrow:#ff6166}
.drop-arrow,.arrow-m{align-items:center;gap:14px;color:var(--arrow);font-weight:700;font-size:15px;line-height:1.35;text-align:left}
.drop-arrow{display:flex;margin:0 0 26px;animation:arrow-left 1.3s ease-in-out infinite}
.arrow-m{display:none}
.drop-arrow svg,.arrow-m svg{flex:none;filter:drop-shadow(0 2px 4px #e0242b40)}
@keyframes arrow-left{0%,100%{transform:translateX(0)}50%{transform:translateX(-14px)}}
@keyframes arrow-down{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
@media(max-width:900px){.drop-arrow{display:none}.no-docs .arrow-m{display:flex;animation:arrow-down 1.3s ease-in-out infinite}}
@media(prefers-reduced-motion:reduce){.drop-arrow,.arrow-m{animation:none!important}}
.empty{padding-top:33px}
.drop-arrow{margin-bottom:12px}