/* ===========================================================================
   Panel plików — system stylów (key visual: czarno-biały, bold, minimal)
   =========================================================================== */
:root{
  --ink:#111111;
  --ink-soft:#3a3a3a;
  --muted:#6b7280;
  --line:#e6e6e6;
  --paper:#ffffff;
  --bg:#f4f4f5;
  --dark:#1c1c1c;
  --dark-2:#2a2a2a;
  --accent:#0aa2e0;
  --danger:#c0392b;
  --ok:#1e8e5a;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 12px 40px rgba(0,0,0,.10);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.05;letter-spacing:-.02em;margin:0}

/* Logo / wordmark ---------------------------------------------------------- */
.wordmark{
  font-weight:800;
  letter-spacing:-.01em;
  text-transform:uppercase;
  line-height:.95;
  font-size:20px;
}
.wordmark span{display:block}

.logo{display:block;height:auto;width:190px;max-width:70%}
.auth-card .logo{width:180px;margin:0 auto 26px}       /* wyśrodkowane na kartach logowania */
.auth-card.center .logo{width:150px;margin-bottom:14px} /* mniejsze na 404 */
.logo-link{display:inline-flex;align-items:center;line-height:0}
.topbar .logo{width:116px}

/* --- Layout logowania (ciemne tło, biała karta) --------------------------- */
.auth-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:var(--dark);
}
.auth-card{
  width:100%;
  max-width:440px;
  background:var(--paper);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:40px 40px 32px;
}
.auth-card .wordmark{margin-bottom:28px;font-size:22px}
.auth-note{
  border-left:3px solid var(--accent);
  padding:8px 0 8px 16px;
  margin:0 0 22px;
  color:var(--ink-soft);
  font-size:15px;
}
.auth-lead{color:var(--ink-soft);font-size:15px;margin:0 0 20px}

/* --- Formularze ----------------------------------------------------------- */
.field{margin-bottom:18px}
.field label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-bottom:8px;
}
.input{
  width:100%;
  border:1px solid #d7d7db;
  border-radius:var(--radius-sm);
  padding:14px 16px;
  font-size:16px;
  font-family:var(--font);
  background:#fff;
  color:var(--ink);
  transition:border-color .15s,box-shadow .15s;
}
.input:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(17,17,17,.08);
}
.input.code{
  letter-spacing:.4em;
  text-align:center;
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:600;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;
  border:0;
  background:var(--dark);
  color:#fff;
  font-weight:700;
  font-size:16px;
  padding:15px 20px;
  border-radius:var(--radius-sm);
  cursor:pointer;
  font-family:var(--font);
  text-decoration:none;
  transition:background .15s,transform .02s;
}
.btn:hover{background:#000}
.btn:active{transform:translateY(1px)}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid #d7d7db}
.btn.secondary:hover{background:#f7f7f7}
.btn.small{width:auto;padding:10px 16px;font-size:14px}

/* --- Alerty --------------------------------------------------------------- */
.alert{
  border-radius:var(--radius-sm);
  padding:12px 14px;
  font-size:14px;
  margin-bottom:18px;
}
.alert.error{background:#fdecea;color:#a12a1e;border:1px solid #f5c6c0}
.alert.ok{background:#e8f6ee;color:#1e6f45;border:1px solid #bfe6cf}
.alert.info{background:#eaf6fc;color:#0b6a91;border:1px solid #c6e6f5}

.help{font-size:13px;color:var(--muted);margin-top:14px}
.help a{color:var(--muted)}
.center{text-align:center}
.mt{margin-top:18px}
.muted{color:var(--muted)}

/* --- QR / setup ----------------------------------------------------------- */
.qr-box{
  display:flex;justify-content:center;
  padding:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);margin:6px 0 16px;
}
.secret{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  background:#f4f4f5;border:1px solid var(--line);border-radius:8px;
  padding:10px 12px;font-size:15px;letter-spacing:.08em;text-align:center;
  word-break:break-all;
}
.steps{padding-left:18px;color:var(--ink-soft);font-size:14px;margin:0 0 18px}
.steps li{margin-bottom:6px}

/* --- Kody zapasowe -------------------------------------------------------- */
.backup-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:14px 0;
}
.backup-grid code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:10px;text-align:center;font-size:15px;letter-spacing:.06em;
}

/* --- Layout panelu -------------------------------------------------------- */
.topbar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;
}
.topbar-inner{
  max-width:1080px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.topbar .wordmark{font-size:16px}
.topbar nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.navlink{
  text-decoration:none;color:var(--ink-soft);font-size:14px;font-weight:600;
  padding:8px 12px;border-radius:8px;
}
.navlink:hover{background:#f1f1f2}
.navlink.active{background:var(--ink);color:#fff}

.container{max-width:1080px;margin:0 auto;padding:32px 24px 64px}
.page-title{font-size:34px;font-weight:800;margin-bottom:6px}
.page-sub{color:var(--muted);margin-bottom:28px}

/* Kafelki skrótów ---------------------------------------------------------- */
.tiles{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;
}
.tile{
  display:block;text-decoration:none;color:inherit;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .1s,box-shadow .15s,border-color .15s;
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d5d5d8}
.tile.dark{background:var(--dark);color:#fff;border-color:var(--dark)}
.tile .ico{
  width:44px;height:44px;border-radius:12px;background:#f1f1f2;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:22px;
}
.tile.dark .ico{background:rgba(255,255,255,.12)}
.tile h3{font-size:19px;font-weight:800;margin-bottom:6px}
.tile p{margin:0;font-size:14px;color:var(--muted)}
.tile.dark p{color:rgba(255,255,255,.7)}

.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;margin-bottom:20px;
}
.card h2{font-size:20px;font-weight:800;margin-bottom:8px}

@media(max-width:520px){
  .auth-card{padding:28px 22px}
  .page-title{font-size:26px}
}