/* =========================
   0) TOKENS + THEME
   ========================= */
:root{
  /* Colors (dark) */
  --bg:#0e1a2b;
  --surface:#12243e;
  --card:#162d4f;
  --text:#e9f0f8;
  --muted:#9fb0c8;
  --brand:#00B8FF;
  --brand-600:#009BFF;
  --ok:#2ee6a8;
  --warn:#f59e0b;
  --err:#ef4444;
  --danger:#ff4d4f; /* alias czerwieni */
  --border:#24446f;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  color-scheme:dark;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f6f8fb;
    --surface:#ffffff;
    --card:#ffffff;
    --text:#0f172a;
    --muted:#475569;
    --brand:#00B8FF;
    --brand-600:#009BFF;
    --border:#e2e8f0;
    --shadow:0 10px 30px rgba(2,6,23,.08);
    color-scheme:light;
  }
}

/* =========================
   1) BASE + RESETS
   ========================= */
*{box-sizing:border-box}
html,body{height:100%}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
img,svg,video{max-width:100%;height:auto}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
.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}
.wrap{max-width:1100px;margin-inline:auto;padding:14px 18px}

/* =========================
   2) HEADER + NAV (CSS hamburger)
   ========================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in oklab,var(--surface) 90%,transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.site-header .wrap{display:flex;align-items:center;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}
.brand__logo{width:26px;height:26px;display:block}
.brand__text{letter-spacing:.2px}

/* structure: #navToggle + .hambox + .site-nav */
#navToggle{position:absolute;left:-9999px}
.hambox{display:none;margin-left:auto;width:40px;height:40px;place-items:center;cursor:pointer;color:var(--text)}
.hambox .bar{width:24px;height:3.5px;margin:3px 0;border-radius:3px;background:currentColor}
.site-nav{margin-left:auto}
.menu{list-style:none;display:flex;gap:12px;margin:0;padding:0;align-items:center}
.link{text-decoration:none;padding:8px 6px;border-radius:8px;border-bottom:2px solid transparent;opacity:.95}
.link:hover{opacity:1;border-bottom-color:var(--brand)}
.link.active{border-bottom-color:var(--brand)}

/* Mobile panel + wygodne linki */
@media (max-width:860px){
  .hambox{display:grid}
  .site-nav{
    position:fixed;inset:64px 16px auto 16px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:14px;padding:10px;
    box-shadow:var(--shadow);
    opacity:0;transform:translateY(-8px);
    pointer-events:none;transition:.15s ease;
  }
  #navToggle:checked ~ .hambox + .site-nav{opacity:1;transform:translateY(0);pointer-events:auto}

  .menu{flex-direction:column;align-items:stretch;gap:8px}
  .menu li + li{margin-top:0} /* gap wystarczy */
  .menu a{
    display:flex;align-items:center;
    font-size:17px;line-height:1.4;
    padding:12px 14px;min-height:44px;
    border-radius:10px;text-decoration:none;
  }
  .link{border-bottom:none}
  .link.active{color:var(--brand);font-weight:700}
}

/* =========================
   3) BUTTONS
   ========================= */
.btn{
  background:#00B8FF;color:#fff;border:0;
  padding:10px 16px;border-radius:10px;
  font-weight:600;line-height:1.2;width:fit-content;white-space:nowrap;cursor:pointer;
  transition:background-color .15s ease,transform .05s ease;
  -webkit-tap-highlight-color:transparent;
}
.btn:hover{background:#009BFF;color:#fff}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn:focus-visible{outline:2px solid #009BFF;outline-offset:2px}
.btn--ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn--danger{background:#ef4444;border:0;color:#fff}

/* =========================
   4) FORMS
   ========================= */
/* aliasy komponentowe */
input.form-input, textarea.form-textarea, select.form-select{
  width:100%;padding:8px 14px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  font-size:16px;line-height:1.4;box-shadow:none;outline:none;-webkit-tap-highlight-color:transparent;
}
input.form-input:focus, textarea.form-textarea:focus, select.form-select:focus{
  border-color:var(--border);box-shadow:none;outline:none;
}
textarea.form-textarea{min-height:120px;resize:vertical}
select.form-select{appearance:none;-webkit-appearance:none;-moz-appearance:none;padding-right:36px}
input.form-input::placeholder, textarea.form-textarea::placeholder{color:var(--muted);opacity:.9}
input.form-input:disabled, textarea.form-textarea:disabled, select.form-select:disabled{opacity:.7;cursor:not-allowed}

/* aliasy kompatybilności (gdy gdzieś użyto .input/.textarea/.select) */
.input,.textarea,.select{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
}
.textarea{min-height:120px;resize:vertical}

/* error state */
.form-input.is-invalid, .form-textarea.is-invalid, .form-select.is-invalid{
  border-color:var(--danger) !important;
}
label.is-invalid{color:var(--danger) !important}
.help--err{color:var(--danger) !important}

/* wyłączenie „ringu” na polach formularza (globalny focus zostaje dla innych) */
input.form-input:focus, input.form-input:focus-visible,
textarea.form-textarea:focus, textarea.form-textarea:focus-visible,
select.form-select:focus, select.form-select:focus-visible,
.input:focus, .input:focus-visible, .textarea:focus, .textarea:focus-visible,
.select:focus, .select:focus-visible{
  outline:none !important; box-shadow:none !important; border-color:var(--border) !important;
}
input:focus-visible, textarea:focus-visible, select:focus-visible{outline:none !important}

/* =========================
   5) CARDS / GRID
   ========================= */
.section{padding:22px 0}
.section__head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.grid{display:grid;gap:14px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.grid.cols-4{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.grid{grid-template-columns:1fr}}

/* =========================
   6) ALERTS
   ========================= */
.alert{
  border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:var(--surface);color:inherit;
}
.alert.err,.alert--err{
  color:var(--danger) !important;border-left:4px solid var(--danger) !important;
}
.alert.ok,.alert--ok{
  color:var(--ok) !important;border-left:4px solid var(--ok) !important;
}
.alert.err a,.alert--err a,.alert.ok a,.alert--ok a{color:inherit !important}

/* =========================
   7) FOOTER
   ========================= */
.site-footer{border-top:1px solid var(--border);background:var(--surface)}
.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-footer p{margin:10px 0;color:var(--muted)}

/* =========================
   8) COOKIE BANNER / MODAL
   ========================= */
.cookie-banner{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:1000;
  display:grid;grid-template-columns:1fr auto;gap:12px;
  background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow);
}
.cookie-actions{display:flex;gap:8px;align-items:center}
@media (max-width:640px){.cookie-banner{grid-template-columns:1fr}.cookie-actions{justify-content:flex-end}}
.cookie-modal[hidden]{display:none !important}
.cookie-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center}
.cookie-modal__backdrop{position:absolute;inset:0;background:rgba(2,6,23,.55);backdrop-filter:blur(2px)}
.cookie-modal__dialog{
  position:relative;width:min(640px,calc(100vw - 32px));
  background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:var(--shadow);
}

/* =========================
   9) UTILITIES
   ========================= */
.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}
.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:1rem}
.text-muted{color:var(--muted)} .center{text-align:center}
.max-w-420{max-width:420px} .w-full{width:100%} .hidden{display:none !important}

/* =========================
   10) LINKS (poza nav)
   ========================= */
a.linki, a.linki:visited{
  font-size:1rem;font-weight:400;line-height:1.42857;
  text-decoration:none;color:#00B8FF;cursor:pointer;
  -webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;outline:none;
}
a.linki:hover, a.linki:focus{color:#009BFF;text-decoration:none;outline:none}
a.linki:active{color:#009BFF;text-decoration:none;outline:none}
input, select, textarea, button { font: inherit; }