/* base.css - layout wspólny dla wszystkich szablonów Miasto Programowania.
   Kolory pochodzą ze zmiennych CSS zdefiniowanych w templates/*/style.css */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent-2, var(--accent)); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--accent-hover); }
code { font-family: var(--font-mono); background: rgba(255,255,255,.06); padding: 2px 6px; border-radius: 4px; }

/* ---------- Header ---------- */
.site-header {
  background: rgba(20, 22, 31, .85);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(10px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; gap: 20px; flex-wrap: wrap; }
.logo {
  font-family: var(--font-body); font-weight: 500; letter-spacing: -0.01em; font-size: 1.25rem;
  color: var(--text-strong); display: inline-flex; align-items: center; gap: 8px; line-height: 1;
}
.logo-icon { font-size: 1.15em; line-height: 1; }
.logo-text, .logo-accent {
  font-family: inherit; font-weight: inherit; letter-spacing: inherit; color: var(--text-strong);
}
.logo:hover, .logo:hover .logo-text, .logo:hover .logo-accent { color: var(--text-strong); }
.main-nav { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.main-nav a { color: var(--text-muted); font-weight: 600; font-size: .92rem; }
.main-nav a:hover { color: var(--text-strong); }
.main-nav a.btn-nav-cta {
  background: var(--accent); color: var(--btn-text); padding: 9px 18px; border-radius: 8px; color: var(--btn-text) !important;
}
.lang-switcher select {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; font-size: .82rem; cursor: pointer;
}

/* ---------- Hero ---------- */
.hero { padding: 90px 20px 40px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -180px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px; border-radius: 50%;
  background: radial-gradient(closest-side, var(--accent) 0%, transparent 70%);
  opacity: .18; pointer-events: none;
}
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 999px; font-size: .72rem; font-weight: 800;
  letter-spacing: .08em; color: var(--accent-2, var(--accent)); background: rgba(110,86,245,.12);
  border: 1px solid var(--border); margin-bottom: 22px; position: relative; z-index: 1;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; color: var(--text-strong);
  margin-bottom: 18px; letter-spacing: -0.02em; position: relative; z-index: 1;
}
.hero p.subtitle { font-size: 1.1rem; color: var(--text-muted); max-width: 660px; margin: 0 auto 32px; position: relative; z-index: 1; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; margin-bottom: 48px; }

.btn {
  display: inline-block; padding: 14px 30px; border-radius: 10px; font-weight: 700;
  background: var(--accent); color: var(--btn-text); border: none; cursor: pointer;
  font-size: .98rem; transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  box-shadow: 0 10px 28px -10px var(--accent);
}
.btn:hover { transform: translateY(-2px); color: var(--btn-text); }
.btn:active { transform: translateY(0); opacity: .92; }
.btn.secondary { background: transparent; border: 1.5px solid var(--border); color: var(--text-strong); box-shadow: none; }
.btn.secondary:hover { border-color: var(--accent-2, var(--accent)); color: var(--text-strong); }

/* Spójne, widoczne obramowanie fokusu klawiaturowego (dostępność + dopracowany, nowoczesny wygląd) */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px;
}

/* ---------- Stats row ---------- */
.stats-row {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  padding: 0 20px 70px; position: relative; z-index: 1;
}
.stat-item { text-align: center; }
.stat-item .stat-value { font-size: 1.8rem; font-weight: 800; color: var(--text-strong); display: block; }
.stat-item .stat-label { font-size: .82rem; color: var(--text-muted); }

/* ---------- Section headers ---------- */
.section-label {
  display: block; text-align: center; font-size: .74rem; font-weight: 800; letter-spacing: .1em;
  color: var(--accent-2, var(--accent)); margin-bottom: 12px;
}
.section-heading { text-align: center; font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 900; color: var(--text-strong); margin-bottom: 12px; }
.section-desc { text-align: center; color: var(--text-muted); max-width: 620px; margin: 0 auto 44px; }

/* ---------- Feature / course grid ---------- */
.features, .courses, .why-us { padding: 60px 20px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.feature-grid.centered-3 { display: flex; flex-wrap: wrap; justify-content: center; }
.feature-grid.centered-3 .feature-card { flex: 0 1 300px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px; text-align: left; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 16px 36px -20px rgba(0,0,0,.55); }
.feature-card .icon { font-size: 2rem; margin-bottom: 14px; display: block; }
.feature-card h3 { color: var(--text-strong); margin-bottom: 8px; font-size: 1.08rem; }
.feature-card p { color: var(--text-muted); font-size: .92rem; }

/* ---------- CTA final ---------- */
.cta-final { padding: 70px 20px; text-align: center; }
.cta-final-box {
  max-width: 720px; margin: 0 auto; background: linear-gradient(135deg, var(--surface), var(--surface-2, var(--surface)));
  border: 1px solid var(--border); border-radius: 22px; padding: 48px 32px;
}
.cta-final-box h2 { color: var(--text-strong); font-size: 1.7rem; margin-bottom: 10px; }
.cta-final-box p { color: var(--text-muted); margin-bottom: 26px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--header-bg); border-top: 1px solid var(--border); margin-top: auto; padding: 56px 20px 28px; }
.footer-grid {
  display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: center;
  gap: 40px; margin: 0 auto 36px; max-width: 760px; text-align: center;
}
.footer-brand-col { flex-basis: 100%; display: flex; flex-direction: column; align-items: center; }
.footer-brand-col .logo { margin-bottom: 10px; justify-content: center; }
.footer-brand-col p { color: var(--text-muted); font-size: .88rem; max-width: 360px; margin: 0 auto; }
.footer-col { flex: 1 1 160px; max-width: 200px; }
.footer-col h4 { color: var(--text-strong); font-size: .78rem; text-transform: uppercase; letter-spacing: .07em; margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.footer-col a { color: var(--text-muted); font-size: .9rem; }
.footer-col a:hover { color: var(--text-strong); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 22px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; gap: 10px;
  font-size: .85rem; color: var(--text);
}
.footer-bottom .copyright-line { color: var(--text); max-width: 640px; margin: 0; }
.footer-bottom .copyright-line a { color: var(--text-strong); font-weight: 600; }
.footer-bottom .copyright-line a:hover { color: var(--accent-2, var(--accent)); }

/* Osobne, pływające okno z informacją o niezbędnych plikach cookies, przypięte na dole ekranu */
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; max-width: 640px; margin: 0 auto;
  z-index: 999; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px 20px; box-shadow: 0 16px 48px rgba(0,0,0,.45);
}
.cookie-banner p { flex: 1 1 220px; margin: 0; color: var(--text-muted); font-size: .85rem; }
.cookie-banner button {
  flex: 0 0 auto; background: var(--accent); color: var(--btn-text); border: none;
  border-radius: 8px; padding: 10px 20px; font-weight: 700; font-size: .9rem;
  cursor: pointer; white-space: nowrap;
}
.cookie-banner button:hover { opacity: .92; }

/* ---------- Playground / Compiler page ---------- */
.compiler-wrap { padding: 40px 20px 90px; }
.pg-tabs { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 4px; margin-bottom: 18px; }
.pg-tabs button {
  border: none; background: transparent; color: var(--text-muted); font-weight: 700; font-size: .85rem;
  padding: 9px 20px; border-radius: 8px; cursor: pointer; font-family: var(--font-mono);
}
.pg-tabs button.active { background: var(--accent); color: var(--btn-text); }
.compiler-toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.compiler-toolbar select {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; font-weight: 600;
}
.compiler-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
@media (max-width: 900px) { .compiler-grid { grid-template-columns: 1fr; } }
.editor-pane, .io-pane { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.pane-header {
  padding: 11px 16px; font-weight: 700; font-size: .82rem; font-family: var(--font-mono);
  color: var(--text-muted); border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
#code-editor {
  width: 100%; height: 480px; background: var(--code-bg); color: var(--code-text);
  border: none; font-family: var(--font-mono); font-size: .92rem;
  padding: 18px; resize: vertical; outline: none; tab-size: 4;
}
#stdin-box {
  width: 100%; height: 110px; background: var(--code-bg); color: var(--code-text);
  border: none; font-family: var(--font-mono); font-size: .85rem; padding: 12px; resize: vertical; outline: none;
}
#output-box {
  width: 100%; min-height: 260px; background: var(--code-bg); color: var(--code-text);
  font-family: var(--font-mono); font-size: .88rem; padding: 14px; white-space: pre-wrap; word-break: break-word;
  overflow-y: auto; max-height: 420px;
}
.io-pane + .io-pane { margin-top: 16px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #555; display: inline-block; margin-right: 6px; }
.status-dot.running { background: #f5b800; box-shadow: 0 0 8px #f5b800; }
.status-dot.ok { background: #37c26f; }
.status-dot.error { background: #e5484d; }
.stdin-note { margin-top: 16px; font-size: .8rem; color: var(--text-muted); }

/* ---------- Code preview snippet on homepage ---------- */
.code-preview {
  max-width: 640px; margin: 0 auto 60px; background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden; text-align: left; position: relative; z-index: 1;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
}
.code-preview-tabs { display: flex; gap: 4px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--surface); }
.code-preview-tabs span {
  font-family: var(--font-mono); font-size: .78rem; padding: 5px 12px; border-radius: 6px; color: var(--text-muted);
}
.code-preview-tabs span.active { background: var(--accent); color: var(--btn-text); }
.code-preview pre { padding: 20px; font-family: var(--font-mono); font-size: .85rem; color: var(--code-text); overflow-x: auto; }
.code-preview .kw { color: #ff7ab8; }
.code-preview .fn { color: #7ec8ff; }
.code-preview .str { color: #b8f28c; }

/* ---------- Admin panel ---------- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 230px; background: var(--header-bg); border-right: 1px solid var(--border); padding: 20px 0; flex-shrink: 0; }
.admin-sidebar a { display: block; padding: 12px 24px; color: var(--text-muted); font-weight: 600; font-size: .92rem; }
.admin-sidebar a.active, .admin-sidebar a:hover { color: var(--text-strong); background: var(--surface); }
.admin-content { flex: 1; padding: 32px 40px; max-width: 1100px; }
.admin-content h1 { color: var(--text-strong); margin-bottom: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; margin-bottom: 24px; }
table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th, table.data-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: .9rem; }
table.data-table th { color: var(--text-muted); text-transform: uppercase; font-size: .75rem; letter-spacing: .04em; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .72rem; font-weight: 700; }
.badge.admin { background: rgba(230,80,80,.15); color: #e65050; }
.badge.user { background: rgba(80,150,230,.15); color: #5096e6; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; margin-bottom: 6px; font-weight: 600; font-size: .88rem; color: var(--text-strong); }
.form-row input, .form-row select, .form-row textarea {
  display: block; width: 100%; max-width: 100%; box-sizing: border-box;
  padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: .95rem; font-family: inherit;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}
.btn-sm { padding: 6px 14px; font-size: .8rem; border-radius: 6px; }
.btn-danger { background: #e5484d; }
.template-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 20px; }
.template-card { border: 2px solid var(--border); border-radius: 14px; padding: 18px; text-align: center; }
.template-card.active { border-color: var(--accent); }
.template-swatch { height: 60px; border-radius: 8px; margin-bottom: 12px; }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: .9rem; }
.alert.success { background: rgba(55,194,111,.15); color: #37c26f; }
.alert.error { background: rgba(229,72,77,.15); color: #e5484d; }

/* Logowanie / okno logowania - pole logowania, hasło i przycisk mają identyczną szerokość
   (100% szerokości karty, box-sizing: border-box, ten sam box model) i mieszczą się w oknie. */
.login-box { max-width: 380px; margin: 80px auto; border-radius: 18px; }
.first-setup-alert {
  display: flex; flex-direction: column; align-items: stretch; gap: 10px;
}
.first-setup-alert span { display: block; }
.first-setup-alert .btn {
  display: block; width: 100%; box-sizing: border-box; text-align: center;
  padding: 10px 16px; white-space: normal;
}
.login-box form { display: flex; flex-direction: column; gap: 2px; }
.login-box .form-row, .login-box button[type="submit"] { width: 100%; box-sizing: border-box; }
.login-box input, .login-box button[type="submit"] { height: 46px; }
.login-box button[type="submit"] { padding: 0 20px; }