:root{
  --sidebar:#1e3a5f;
  --sidebar-hover:#2a4f7a;
  --sidebar-active:#3d6a9e;
  --topbar:#f0f4f8;
  --accent:#2563eb;
  --accent-d:#1d4ed8;
  --ink:#1a1d24;
  --muted:#64748b;
  --line:#cbd5e1;
  --row:#e8f4fc;
  --row-alt:#f8fbfe;
  --danger:#dc2626;
  --warn:#d97706;
  --ok:#16a34a;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;font-size:14px;color:var(--ink);background:#fff}

/* Login */
body.login-page{background:linear-gradient(135deg,#1e3a5f,#2563eb);min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-box{background:#fff;border-radius:8px;padding:36px;width:100%;max-width:380px;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.login-box h1{text-align:center;margin:0 0 24px;font-size:20px;color:var(--sidebar)}

/* App layout */
.app{display:flex;min-height:100vh}
.sidebar{width:56px;background:var(--sidebar);flex-shrink:0;display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:4px}
.sidebar a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:6px;color:#b8cfe8;text-decoration:none;font-size:18px}
.sidebar a:hover{background:var(--sidebar-hover);color:#fff}
.sidebar a.on{background:var(--sidebar-active);color:#fff}
.sidebar .tip{position:relative}
.sidebar .tip:hover::after{content:attr(data-tip);position:absolute;left:48px;top:50%;transform:translateY(-50%);background:#0f172a;color:#fff;padding:4px 10px;border-radius:4px;font-size:12px;white-space:nowrap;z-index:10}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:var(--topbar);border-bottom:1px solid var(--line);gap:12px;flex-wrap:wrap}
.topbar-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.topbar .brand{font-weight:700;font-size:16px;color:var(--sidebar);text-decoration:none}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar .user{color:var(--muted);font-size:13px;text-decoration:none}
.content{padding:16px 20px;flex:1;background:#fff}

/* Table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:4px}
table.tickets{width:100%;border-collapse:collapse;font-size:13px}
table.tickets th{background:var(--sidebar);color:#fff;padding:10px 12px;text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
table.tickets th a.srt{display:inline-flex;align-items:center;gap:4px;color:#fff;text-decoration:none;font-weight:600}
table.tickets th a.srt:hover{color:#dbeafe}
table.tickets th a.srt.srt-on{color:#fff}
table.tickets .srt-a{font-size:10px;line-height:1;opacity:.45}
table.tickets th a.srt:hover .srt-a{opacity:.8}
table.tickets .srt-a.on{opacity:1;color:#93c5fd}
table.tickets td{padding:9px 12px;border-bottom:1px solid #dbeafe;vertical-align:top}
table.tickets tbody tr:nth-child(odd){background:var(--row)}
table.tickets tbody tr:nth-child(even){background:var(--row-alt)}
table.tickets tbody tr:hover{background:#dbeafe}
table.tickets a{color:var(--accent);font-weight:600;text-decoration:none}
table.tickets a:hover{text-decoration:underline}

/* Buttons */
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:4px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--accent-d)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--row)}
.btn-danger{background:var(--danger)}
.btn-danger:hover{background:#b91c1c}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}

/* Forms */
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:4px;font:inherit}
.field textarea{min-height:100px;resize:vertical}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hint{color:var(--muted);font-size:12.5px}

/* Flash */
.flash{padding:10px 14px;border-radius:4px;margin-bottom:14px;font-size:13px}
.flash-ok{background:#dcfce7;color:#166534;border:1px solid #86efac}
.flash-err{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}
.flash-info{background:#dbeafe;color:#1e40af;border:1px solid #93c5fd}

.card{border:1px solid var(--line);border-radius:6px;padding:18px;margin-bottom:16px}
.card h2{margin:0 0 14px;font-size:15px}
.detail-grid{display:grid;grid-template-columns:160px 1fr;gap:6px 12px;font-size:13px}
.detail-grid dt{color:var(--muted);font-weight:600}
.detail-grid dd{margin:0}

/* Veřejná stránka dotazníku */
body.public-page{background:#f1f5f9;min-height:100vh;display:flex;flex-direction:column}
.public-top{background:var(--sidebar);color:#fff;padding:0 20px}
.public-top-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;flex-wrap:wrap}
.public-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:16px}
.lang-switch{display:flex;gap:6px}
.lang-switch a{color:#cbd5e1;text-decoration:none;font-size:13px;font-weight:600;padding:6px 10px;border-radius:4px}
.lang-switch a:hover{background:rgba(255,255,255,.1);color:#fff}
.lang-switch a.on{background:rgba(255,255,255,.18);color:#fff}
.public-main{flex:1;max-width:820px;width:100%;margin:0 auto;padding:28px 20px 40px}
.public-footer{text-align:center;padding:16px;font-size:12px;color:var(--muted);background:#fff;border-top:1px solid var(--line)}
.public-hero{text-align:center;margin-bottom:28px}
.public-hero h1{margin:0 0 10px;font-size:26px;color:var(--sidebar)}
.public-hero p{margin:0;color:var(--muted);font-size:15px}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}

@media(max-width:900px){.grid2{grid-template-columns:1fr}.sidebar{width:48px}}