/* Chatbot k praxím. Písma a tokeny sdílí s kampaňovým webem (koldinska-web-2026), bez loga a písma MUNI. */
:root{--paper:#f6f4ee;--paper-2:#efece3;--ink:#1f2320;--muted:#5b6058;--line:#dcdbd0;--white:#fffefa;--accent:#0000dc;--accent-dark:#0000a8;--accent-pale:#ebebfc;--accent-line:#cfd0f6;--night:#0b0f3a;--warn:#8a4b00;--warn-pale:#fff4e0;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;line-height:1.15;margin:0 0 .5em;text-wrap:balance}
p,ul,ol{margin:0 0 .8em}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent-dark)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.shell{width:min(820px,calc(100% - 32px));margin-inline:auto}
.muted{color:var(--muted)}
.small{font-size:14px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-80px;z-index:50;background:var(--white);color:var(--ink);padding:10px 16px;border-radius:8px}
.skip-link:focus{top:12px}

.site-header{background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-size:17px}
.brand-text{font-weight:650;font-size:15px;line-height:1.2}
.brand-text span{display:block;font-weight:450;font-size:12px;color:var(--muted)}
.header-link{font-size:14px;font-weight:600;text-decoration:none;padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:var(--white);min-height:44px;display:inline-flex;align-items:center}
.header-link:hover{border-color:var(--accent-line)}

.ai-notice{background:var(--night);color:#fff;font-size:15px;padding:10px 0}
.ai-notice strong{font-weight:700}

.chat-main{flex:1;padding:28px 0 12px;display:flex;flex-direction:column;gap:20px}
.intro h1{font-size:clamp(34px,7vw,52px)}
.lead{font-size:18px;max-width:640px}
.chips-title{font-family:var(--sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:650;color:var(--accent);margin:18px 0 10px}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:14px;line-height:1.35;text-align:left;padding:10px 14px;min-height:44px;border-radius:14px;border:1px solid var(--accent-line);background:var(--white);color:var(--ink);cursor:pointer}
.chip:hover{background:var(--accent-pale);border-color:var(--accent)}
.intro.compact .lead,.intro.compact .chips-title,.intro.compact .chips{display:none}
.intro.compact h1{font-size:28px}

.log{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.msg{max-width:100%;overflow-wrap:anywhere}
.msg.user{align-self:flex-end;max-width:88%;background:var(--accent);color:#fff;padding:10px 14px;border-radius:16px 16px 4px 16px;white-space:pre-wrap}
.msg.bot{background:var(--white);border:1px solid var(--line);border-radius:16px 16px 16px 4px;padding:14px 16px}
.msg.bot .answer p:last-child{margin-bottom:0}
.msg.bot .answer ul,.msg.bot .answer ol{padding-left:1.3em}
.cite{font-size:.78em;font-weight:650;vertical-align:super;line-height:0;text-decoration:none;padding:0 1px}
.sources{margin:12px 0 0;padding:10px 0 0;border-top:1px solid var(--line);font-size:14px}
.sources h3{font-family:var(--sans);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:650;color:var(--muted);margin:0 0 6px}
.sources ol{margin:0;padding-left:1.4em}
.sources li{margin:0 0 4px}
.tag{display:inline-block;font-size:12px;background:var(--warn-pale);color:var(--warn);border-radius:6px;padding:0 6px;margin-left:4px}
.model-line{margin:10px 0 0;font-size:12.5px;color:var(--muted)}
.notice{font-size:13.5px;color:var(--warn);background:var(--warn-pale);border-radius:8px;padding:6px 10px;margin:10px 0 0}
.msg.error{border-color:#e0b4a8;background:#fff6f3}
.typing{display:inline-flex;gap:5px;align-items:center;height:20px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);opacity:.4;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{50%{opacity:1}}
@media (prefers-reduced-motion:reduce){.typing i{animation:none;opacity:.8}}

.ask{position:sticky;bottom:0;background:linear-gradient(to top,var(--paper) 80%,#f6f4ee00);padding:12px 0 8px}
.ask-box{display:flex;gap:8px;align-items:flex-end;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:6px 6px 6px 14px}
.ask-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-pale)}
.ask textarea{flex:1;border:0;background:transparent;font:inherit;font-size:16px;resize:none;min-height:48px;max-height:200px;padding:10px 0;color:var(--ink)}
.ask textarea:focus{outline:none}
.send{flex:none;width:48px;height:48px;border-radius:12px;border:0;background:var(--accent);color:#fff;cursor:pointer;display:grid;place-items:center}
.send:hover{background:var(--accent-dark)}
.send[disabled]{opacity:.5;cursor:not-allowed}
.ask-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;font-size:13px;color:var(--muted);margin-top:6px}
.ask-meta p{margin:0}
.ask-status{font-size:14px;margin:6px 0 0;min-height:1em}
.ask-status.error{color:#a3261b}
.ts-box:empty{display:none}
.ts-box{margin-top:8px}

.site-footer{border-top:1px solid var(--line);padding:18px 0 24px;font-size:14px;margin-top:12px}
.site-footer p{margin:0 0 6px}

/* Stránka O chatbotu */
.about{padding:28px 0 40px}
.about h1{font-size:clamp(32px,6vw,46px)}
.about h2{font-size:26px;margin-top:1.6em}
.about section{max-width:720px}
.about blockquote{margin:0 0 1em;padding:8px 0 8px 16px;border-left:3px solid var(--accent);font-style:italic}
.about pre{white-space:pre-wrap;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13.5px;line-height:1.5;overflow-wrap:anywhere}
.about details{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:0 0 10px}
.about summary{cursor:pointer;font-weight:600;min-height:28px}
.about dl{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px;margin:0 0 1em}
.about dt{font-weight:600}
.about dd{margin:0}
.src-list{padding-left:1.2em;font-size:14.5px}
.src-list li{margin-bottom:4px}
@media (max-width:480px){.about dl{grid-template-columns:1fr}.about dd{margin-bottom:8px}}

/* Správa */
.admin{padding:28px 0}
.admin table{border-collapse:collapse;width:100%;font-size:14px;background:var(--white)}
.admin th,.admin td{border:1px solid var(--line);padding:6px 8px;text-align:left}
.admin .table-wrap{overflow-x:auto;margin-bottom:18px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:999px;font:inherit;font-size:15px;font-weight:600;text-decoration:none;border:1px solid var(--line);background:var(--white);color:var(--ink);cursor:pointer;margin:0 8px 8px 0}
.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.admin input{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;min-height:44px;width:min(320px,100%)}