/* RELAY – vizuální identita: tmavá "SOC konzole".
   Žádné externí fonty/CDN (kvůli přísnému CSP a offline provozu). */

:root {
  --bg: #0a0e15;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #131d2e 0%, #0a0e15 60%);
  --surface: #111a26;
  --surface-2: #16212f;
  --elevated: #1b2735;
  --border: #25303f;
  --border-soft: #1d2733;
  --text: #e9eef6;
  --muted: #93a0b4;
  --faint: #5d6b7d;
  --primary: #5b8cff;
  --primary-2: #7aa2ff;
  --teal: #2dd4bd;
  --amber: #f5b942;
  --danger: #ff5d6c;
  --danger-2: #ff7d8a;
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 10px 40px -12px rgba(0, 0, 0, .6);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg-grad), var(--bg);
  background-attachment: fixed;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary-2); }
::selection { background: rgba(91, 140, 255, .35); }

/* ---------- Tlačítka ---------- */
.btn {
  appearance: none; -webkit-appearance: none;
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-weight: 600; letter-spacing: .2px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--elevated); color: var(--text); cursor: pointer;
  text-decoration: none; transition: .15s ease; white-space: nowrap;
}
.btn:hover { border-color: #34465c; background: #20303f; }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary { background: linear-gradient(180deg, var(--primary-2), var(--primary)); border-color: transparent; color: #06122e; }
.btn-primary:hover { filter: brightness(1.07); background: linear-gradient(180deg, var(--primary-2), var(--primary)); }
.btn-danger { background: transparent; border-color: #5a2730; color: var(--danger-2); }
.btn-danger:hover { background: rgba(255, 93, 108, .12); border-color: var(--danger); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.icon-btn { background: transparent; border: 1px solid transparent; padding: 6px; border-radius: 7px; color: var(--muted); cursor: pointer; }
.icon-btn:hover { color: var(--text); background: var(--surface-2); }
.icon-btn.danger:hover { color: var(--danger-2); background: rgba(255, 93, 108, .12); }

input, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91, 140, 255, .18); }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.mono { font-family: var(--mono); }

/* ---------- Login / message stránka ---------- */
.auth-wrap, .msg-page {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.auth-card, .msg-card {
  width: 100%; max-width: 400px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 16px; padding: 32px;
  box-shadow: var(--shadow);
}
.msg-card { max-width: 460px; text-align: center; }
.brand-lockup { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-name { font-family: var(--mono); font-weight: 700; font-size: 20px; letter-spacing: 1px; }
.brand-name b { color: var(--primary-2); }
.auth-sub { color: var(--faint); font-size: 13px; margin: 2px 0 26px; font-family: var(--mono); }
.auth-card .field { margin-bottom: 16px; }
.auth-card .btn-primary { width: 100%; justify-content: center; margin-top: 6px; padding: 11px; }
.form-error {
  display: none; margin-top: 14px; padding: 10px 12px; border-radius: 8px;
  background: rgba(255, 93, 108, .1); border: 1px solid #4a2630; color: var(--danger-2); font-size: 14px;
}
.form-error.show { display: block; }

/* ---------- App shell ---------- */
.app-header {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 20px;
  padding: 12px 22px; background: rgba(10, 14, 21, .82);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.app-header .brand-lockup { margin: 0; }
.brand-name.sm { font-size: 16px; }
.spacer { flex: 1; }
.session-pill {
  display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px;
  color: var(--muted); padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px;
}
.session-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.session-pill.warn .dot { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.user-chip { display: flex; align-items: center; gap: 10px; }
.user-chip .uname { font-weight: 600; }
.role-badge {
  font-family: var(--mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase;
  padding: 3px 7px; border-radius: 5px; border: 1px solid var(--border); color: var(--muted);
}
.role-badge.admin { color: var(--amber); border-color: #4a3c1d; background: rgba(245, 185, 66, .08); }

.tabs { display: flex; gap: 4px; padding: 0 22px; border-bottom: 1px solid var(--border); background: rgba(10,14,21,.4); position: sticky; top: 63px; z-index: 20; }
.tab {
  appearance: none; background: none; border: none; color: var(--muted);
  font: inherit; font-weight: 600; padding: 14px 16px; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--primary); }
.tab.admin-only { color: var(--amber); }
.tab.admin-only.active { border-bottom-color: var(--amber); }

main { max-width: 1080px; margin: 0 auto; padding: 28px 22px 120px; }
.view { display: none; }
.view.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.section-head { display: flex; align-items: center; gap: 14px; margin: 0 0 18px; }
.section-head h2 { font-size: 18px; margin: 0; }
.section-head .count { font-family: var(--mono); font-size: 13px; color: var(--faint); }

/* ---------- Karty / panely ---------- */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.panel + .panel { margin-top: 18px; }
.panel h3 { margin: 0 0 14px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }

/* ---------- Dropzone ---------- */
.dropzone {
  border: 1.5px dashed var(--border); border-radius: var(--radius);
  padding: 30px; text-align: center; color: var(--muted); transition: .15s; cursor: pointer;
  background: linear-gradient(180deg, rgba(91,140,255,.02), transparent);
}
.dropzone:hover, .dropzone.drag { border-color: var(--primary); color: var(--text); background: rgba(91,140,255,.06); }
.dropzone strong { color: var(--text); }
.dropzone svg { display: block; margin: 0 auto 10px; color: var(--primary-2); }
.upload-bar { display: flex; gap: 12px; align-items: end; margin-top: 16px; flex-wrap: wrap; }
.upload-bar .field { flex: 1; min-width: 180px; }

.queue { margin-top: 14px; display: grid; gap: 8px; }
.queue-item { display: flex; align-items: center; gap: 12px; font-size: 13px; padding: 8px 12px; background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: 8px; }
.queue-item .qname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.progress { width: 120px; height: 6px; background: #0c121b; border-radius: 99px; overflow: hidden; }
.progress > i { display: block; height: 100%; width: 0; background: var(--primary); transition: width .15s; }
.queue-item.done .progress > i { background: var(--teal); }
.queue-item.err { color: var(--danger-2); }

/* ---------- Vybrané, ještě nenahrané soubory ---------- */
.pending { margin-top: 14px; display: grid; gap: 6px; }
.pending:empty { display: none; }
.pending-item { display: flex; align-items: center; gap: 12px; font-size: 13px; padding: 7px 12px; background: var(--surface-2); border: 1px dashed var(--border); border-radius: 8px; }
.pending-item .pname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pending-item .psize { font-family: var(--mono); color: var(--muted); }
.pending-item .premove { background: transparent; border: none; color: var(--faint); cursor: pointer; font-size: 16px; line-height: 1; padding: 0 4px; }
.pending-item .premove:hover { color: var(--danger-2); }

/* ---------- Sdíleno s ---------- */
.recipcell { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { font-family: var(--mono); font-size: 11.5px; padding: 2px 7px; border-radius: 99px; background: rgba(91,140,255,.14); color: var(--primary-2); border: 1px solid rgba(91,140,255,.3); white-space: nowrap; }
.recipnone { color: var(--faint); }

/* ---------- Výběr příjemců ve sdílení ---------- */
.recipient-list { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; margin-top: 8px; }
.recipient-row { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-bottom: 1px solid var(--border-soft); cursor: pointer; }
.recipient-row:last-child { border-bottom: none; }
.recipient-row:hover { background: var(--surface-2); }
.recipient-row input { width: auto; }
.recipient-row .rname { font-weight: 500; }
.recipient-row .rrole { font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* ---------- Tabulka souborů ---------- */
.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .sel-info { font-family: var(--mono); font-size: 13px; color: var(--faint); }
.tablewrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left; font-weight: 600; font-size: 11px; letter-spacing: .8px; text-transform: uppercase;
  color: var(--faint); padding: 12px 14px; background: var(--surface-2); border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.015); }
td.col-name { font-weight: 500; }
td.col-name .fid { display: block; font-family: var(--mono); font-size: 11px; color: var(--faint); }
.cell-actions { display: flex; gap: 4px; justify-content: flex-end; }
.size, .when { font-family: var(--mono); font-size: 13px; color: var(--muted); white-space: nowrap; }
.exp { font-family: var(--mono); font-size: 12.5px; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.exp::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.exp.soon { color: var(--amber); } .exp.soon::before { background: var(--amber); }
.exp.urgent { color: var(--danger-2); } .exp.urgent::before { background: var(--danger); }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }
.empty { padding: 40px; text-align: center; color: var(--faint); }
.empty svg { display:block; margin: 0 auto 12px; opacity:.5; }

/* ---------- Mřížka formuláře ---------- */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.inline-form { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.inline-form .field { flex: 1; min-width: 140px; }

/* ---------- Disk HUD (signature) ---------- */
.disk-hud {
  position: fixed; right: 18px; bottom: 18px; z-index: 50;
  width: 250px; padding: 12px 14px; border-radius: 12px;
  background: rgba(17, 26, 38, .9); backdrop-filter: blur(10px);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  font-family: var(--mono);
}
.disk-hud .hud-top { display: flex; justify-content: space-between; align-items: baseline; font-size: 10px; letter-spacing: 1px; color: var(--faint); text-transform: uppercase; }
.disk-hud .hud-pct { font-size: 12px; color: var(--teal); font-weight: 700; }
.disk-hud .segs { display: flex; gap: 2px; margin: 9px 0 8px; height: 14px; }
.disk-hud .seg { flex: 1; border-radius: 1.5px; background: #1c2836; transition: background .3s; }
.disk-hud .seg.on { background: var(--teal); }
.disk-hud.lvl-warn .hud-pct { color: var(--amber); } .disk-hud.lvl-warn .seg.on { background: var(--amber); }
.disk-hud.lvl-crit .hud-pct { color: var(--danger); } .disk-hud.lvl-crit .seg.on { background: var(--danger); }
.disk-hud .hud-line { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--muted); }
.disk-hud .hud-line b { color: var(--text); font-weight: 600; }

/* ---------- Modal ---------- */
.overlay { position: fixed; inset: 0; background: rgba(4, 7, 12, .7); display: none; place-items: center; z-index: 60; padding: 20px; }
.overlay.show { display: grid; }
.modal { width: 100%; max-width: 480px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
.modal-head { padding: 18px 20px; border-bottom: 1px solid var(--border); font-weight: 700; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.linkbox { display: flex; gap: 8px; margin-top: 8px; }
.linkbox input { font-family: var(--mono); font-size: 13px; }
.notice { margin: 0 0 14px; padding: 11px 14px; border-radius: 8px; font-size: 13.5px;
  background: rgba(245, 185, 66, .1); border: 1px solid rgba(245, 185, 66, .4); color: var(--amber); }
.exp.early { color: var(--amber); } .exp.early::before { background: var(--amber); }
.exp-tag { font-family: var(--mono); font-size: 11px; color: var(--amber); margin-left: 8px; }
/* Brána sdíleného odkazu (zadání hesla) */
.gate { max-width: 460px; margin: 40px auto; }
.gate-title { margin: 0 0 6px; font-size: 18px; }
.gate .field { margin-top: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.hint { font-size: 13px; color: var(--muted); }

/* ---------- Toast ---------- */
.toasts { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 80; display: grid; gap: 8px; }
.toast { padding: 11px 16px; border-radius: 9px; font-size: 14px; border: 1px solid var(--border); background: var(--elevated); box-shadow: var(--shadow); animation: drop .2s ease; }
.toast.ok { border-color: #1f5249; } .toast.ok b { color: var(--teal); }
.toast.err { border-color: #5a2730; } .toast.err b { color: var(--danger-2); }
@keyframes drop { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

@media (max-width: 640px) {
  .grid2 { grid-template-columns: 1fr; }
  .disk-hud { left: 12px; right: 12px; width: auto; }
  .session-pill .lbl { display: none; }
  td.col-name .fid { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }