/* Rozhraní aplikace (třídy s prefixem ui- kvůli oddělení od stylu dokumentů). */
:root{
  --ui-bg:#f3f5f8;--ui-panel:#fff;--ui-ink:#1F293A;--ui-soft:#4a5468;--ui-muted:#7a8394;--ui-line:#e3e7ee;
  --ui-accent:#1D4ED8;--ui-accent-soft:#eaf0fe;--ui-danger:#c2410c;--ui-ok:#15803d;--ui-r:10px;
}
*{box-sizing:border-box;}
html,body{margin:0;height:100%;}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;background:var(--ui-bg);color:var(--ui-ink);font-size:14px;-webkit-font-smoothing:antialiased;}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:var(--ui-accent);text-decoration:none;}

.ui-shell{display:grid;grid-template-columns:232px 1fr;height:100vh;}
.ui-side{background:var(--ui-ink);color:#cfd6e2;display:flex;flex-direction:column;padding:18px 12px;gap:4px;}
.ui-logo{display:flex;align-items:center;gap:10px;padding:4px 10px 20px;color:#fff;font-weight:700;font-size:15px;letter-spacing:.02em;}
.ui-logo img{width:30px;height:30px;border-radius:7px;}
.ui-logo span{color:#8fb0ff;}
.ui-nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:#cfd6e2;font-weight:500;}
.ui-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.ui-nav a.on{background:rgba(91,140,255,.18);color:#fff;}
.ui-side .ui-spacer{flex:1;}
.ui-side .ui-out{background:none;border:0;color:#9aa4b5;text-align:left;padding:9px 12px;border-radius:8px;cursor:pointer;}
.ui-side .ui-out:hover{color:#fff;background:rgba(255,255,255,.06);}

.ui-main{overflow:auto;}
.ui-page{max-width:1120px;margin:0 auto;padding:28px 32px 60px;}
.ui-h1{font-size:24px;font-weight:800;letter-spacing:-.02em;margin:0 0 4px;}
.ui-sub{color:var(--ui-muted);margin:0 0 22px;}
.ui-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.ui-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;}

.ui-card{background:var(--ui-panel);border:1px solid var(--ui-line);border-radius:12px;padding:18px 20px;margin-bottom:16px;}
.ui-card h2{font-size:15px;margin:0 0 12px;font-weight:700;}
.ui-card h3{font-size:13px;margin:14px 0 8px;font-weight:700;color:var(--ui-soft);text-transform:uppercase;letter-spacing:.06em;}

.ui-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--ui-line);background:#fff;border-radius:8px;padding:8px 14px;font-weight:600;cursor:pointer;white-space:nowrap;}
.ui-btn:hover{border-color:#c9d0db;}
.ui-btn.pri{background:var(--ui-accent);border-color:var(--ui-accent);color:#fff;}
.ui-btn.pri:hover{background:#1a44be;}
.ui-btn.danger{color:var(--ui-danger);}
.ui-btn.sm{padding:5px 10px;font-size:12.5px;}
.ui-btn[disabled]{opacity:.55;cursor:default;}
.ui-link{background:none;border:0;color:var(--ui-accent);cursor:pointer;padding:0;font-weight:600;}

.ui-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px;}
.ui-tile{background:#fff;border:1px solid var(--ui-line);border-radius:12px;padding:18px;cursor:pointer;text-align:left;}
.ui-tile:hover{border-color:var(--ui-accent);box-shadow:0 4px 16px rgba(29,78,216,.08);}
.ui-tile b{display:block;font-size:15px;margin:8px 0 4px;}
.ui-tile small{color:var(--ui-muted);}
.ui-tile .ui-ico{width:34px;height:34px;border-radius:8px;background:var(--ui-accent-soft);color:var(--ui-accent);display:flex;align-items:center;justify-content:center;font-weight:800;}

table.ui-table{width:100%;border-collapse:collapse;}
.ui-table th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--ui-muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--ui-line);}
.ui-table td{padding:10px;border-bottom:1px solid var(--ui-line);vertical-align:middle;}
.ui-table tr.click{cursor:pointer;}
.ui-table tr.click:hover td{background:#f8fafc;}
.ui-badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--ui-accent-soft);color:var(--ui-accent);}
.ui-badge.pp{background:#e8f6ee;color:#15803d;}
.ui-badge.sm{background:#fdf0e6;color:#b4541a;}
.ui-empty{color:var(--ui-muted);padding:18px 4px;}

.ui-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 16px;}
.ui-grid.three{grid-template-columns:repeat(3,1fr);}
.ui-f{display:flex;flex-direction:column;gap:5px;}
.ui-f.full{grid-column:1/-1;}
.ui-f label{font-size:12px;font-weight:600;color:var(--ui-soft);}
.ui-f small{color:var(--ui-muted);font-size:11.5px;}
.ui-in,.ui-f input,.ui-f select,.ui-f textarea{width:100%;border:1px solid var(--ui-line);border-radius:8px;padding:8px 10px;background:#fff;}
.ui-f textarea{min-height:70px;resize:vertical;line-height:1.45;}
.ui-in:focus,.ui-f input:focus,.ui-f select:focus,.ui-f textarea:focus{outline:2px solid rgba(29,78,216,.25);border-color:var(--ui-accent);}
.ui-check{display:flex;align-items:center;gap:8px;font-weight:500;}

/* tabulky řádků v editoru */
.ui-rows{width:100%;border-collapse:collapse;margin-bottom:6px;}
.ui-rows th{font-size:11px;color:var(--ui-muted);text-align:left;font-weight:600;padding:4px;}
.ui-rows td{padding:3px;vertical-align:top;}
.ui-rows input,.ui-rows textarea{width:100%;border:1px solid var(--ui-line);border-radius:6px;padding:6px 7px;font-size:13px;background:#fff;}
.ui-rows textarea{min-height:34px;resize:vertical;}
.ui-rows input[type=checkbox]{width:auto;margin-top:9px;}
.ui-rows .x{border:0;background:none;color:var(--ui-muted);cursor:pointer;font-size:16px;padding:6px;}
.ui-rows .x:hover{color:var(--ui-danger);}

/* editor */
.ui-editor{display:grid;grid-template-columns:minmax(420px,520px) 1fr;height:100vh;}
.ui-ed-left{overflow:auto;border-right:1px solid var(--ui-line);background:var(--ui-bg);}
.ui-ed-top{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--ui-line);padding:12px 16px;}
.ui-ed-top .ui-num{font-weight:800;font-size:16px;}
.ui-ed-body{padding:14px 16px 60px;}
.ui-ed-right{overflow:auto;background:#e4e8ee;position:relative;}
.ui-ed-right .ui-zoom{transform-origin:top center;padding:10px 0 40px;}
.ui-viewbar{position:sticky;top:0;z-index:4;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 16px;background:#fff;border-bottom:1px solid var(--ui-line);font-size:12.5px;color:var(--ui-muted);}
.ui-seg{display:inline-flex;border:1px solid var(--ui-line);border-radius:8px;overflow:hidden;}
.ui-seg button{border:0;background:#fff;padding:6px 12px;font-weight:600;font-size:12.5px;cursor:pointer;color:var(--ui-soft);}
.ui-seg button.on{background:var(--ui-accent-soft);color:var(--ui-accent);}
.ui-orig{display:block;width:794px;margin:0 auto;border:0;background:transparent;min-height:1123px;}
.ui-saved{font-size:12px;color:var(--ui-muted);}
details.ui-sec{background:#fff;border:1px solid var(--ui-line);border-radius:10px;margin-bottom:10px;}
details.ui-sec>summary{cursor:pointer;padding:11px 14px;font-weight:700;list-style:none;display:flex;justify-content:space-between;}
details.ui-sec>summary::-webkit-details-marker{display:none;}
details.ui-sec>summary::after{content:"▾";color:var(--ui-muted);}
details.ui-sec:not([open])>summary::after{content:"▸";}
details.ui-sec>.ui-sec-in{padding:0 14px 14px;display:flex;flex-direction:column;gap:10px;}

.ui-ai{background:linear-gradient(180deg,#f6f8ff,#fff);border:1px solid #d3e0fc;border-radius:12px;padding:14px;margin-bottom:12px;}
.ui-ai h2{font-size:14px;margin:0 0 8px;display:flex;gap:8px;align-items:center;}
.ui-ai textarea{width:100%;min-height:96px;border:1px solid #cfdcf9;border-radius:8px;padding:9px 10px;resize:vertical;background:#fff;line-height:1.45;}
.ui-ai .ui-reply{margin-top:10px;max-height:none;font-size:13px;background:#fff;border:1px solid var(--ui-line);border-radius:8px;padding:10px 12px;line-height:1.5;}
.ui-ai .ui-reply ul{margin:6px 0 0;padding-left:18px;color:var(--ui-danger);}
.ui-ai.drag{border-color:var(--ui-accent);box-shadow:0 0 0 3px rgba(29,78,216,.15);}
.ui-files{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px;}
.ui-files:empty{display:none;}
.ui-chip{display:inline-flex;align-items:center;gap:4px;background:#fff;border:1px solid var(--ui-line);border-radius:999px;padding:3px 4px 3px 10px;font-size:12px;max-width:100%;}
.ui-chip button{border:0;background:none;color:var(--ui-muted);cursor:pointer;font-size:14px;padding:0 4px;}
.ui-sent{font-size:11.5px;color:var(--ui-muted);margin-bottom:6px;border-bottom:1px dashed var(--ui-line);padding-bottom:6px;}
.ui-spin{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}

/* přihlášení */
.ui-login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.ui-login .ui-card{width:100%;max-width:380px;padding:28px;}
.ui-login .ui-logo{color:var(--ui-ink);padding:0 0 18px;}
.ui-login .ui-logo span{color:var(--ui-accent);}
.ui-err{color:var(--ui-danger);font-size:13px;min-height:18px;}

/* modální okno */
.ui-modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px;}
.ui-modal .ui-card{width:100%;max-width:460px;margin:0;}

.ui-toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ui-ink);color:#fff;padding:10px 18px;border-radius:8px;z-index:60;font-weight:500;box-shadow:0 8px 24px rgba(0,0,0,.2);}
.ui-toast.err{background:var(--ui-danger);}

.ui-folder{border:1px solid var(--ui-line);border-radius:10px;margin-bottom:10px;background:#fff;}
.ui-folder>summary{padding:10px 14px;cursor:pointer;font-weight:700;display:flex;gap:8px;align-items:center;}
.ui-folder>summary small{color:var(--ui-muted);font-weight:500;}
.ui-folder .ui-table td{padding:8px 14px;}

@media (max-width:900px){
  .ui-shell{grid-template-columns:1fr;}
  .ui-side{flex-direction:row;overflow:auto;padding:10px;}
  .ui-logo{padding:4px 10px;}
  .ui-nav{display:flex;}
  .ui-side .ui-spacer{display:none;}
  .ui-editor{grid-template-columns:1fr;height:auto;}
  .ui-ed-right{min-height:80vh;}
  .ui-tiles,.ui-grid,.ui-grid.three{grid-template-columns:1fr;}
}

@media print{
  body{background:#fff;}
  .ui-side,.ui-ed-left,.ui-toast{display:none !important;}
  .ui-shell,.ui-editor{display:block;height:auto;}
  .ui-main,.ui-ed-right{overflow:visible;background:#fff;}
  .ui-ed-right .ui-zoom{zoom:1 !important;padding:0;}
  .ui-page{padding:0;max-width:none;}
  @page{size:A4;margin:0;}
}