/* ==========================================================
   Eureca Discovery Day – zapisy
   Paleta: granat (zaufanie) + turkus (nauka) + amber (energia)
   ========================================================== */

:root {
  --navy-900: #0b1b3a;
  --navy-800: #12285a;
  --navy-700: #1b3a7a;
  --teal-500: #12b3a8;
  --teal-400: #2ad0c3;
  --amber-500: #f5a524;
  --amber-400: #ffc25c;
  --coral-500: #ef5a5a;
  --ink: #16233d;
  --ink-soft: #55617a;
  --line: #e3e8f2;
  --bg-soft: #f6f8fc;
  --radius: 18px;
  --shadow-sm: 0 2px 10px rgba(11, 27, 58, .06);
  --shadow-md: 0 10px 30px rgba(11, 27, 58, .10);
  --shadow-lg: 0 24px 60px rgba(11, 27, 58, .16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg-soft);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: 'Fraunces', Georgia, 'Times New Roman', serif;
  color: var(--navy-900);
  line-height: 1.15;
  margin: 0 0 .4em;
  letter-spacing: -.01em;
}

a { color: var(--navy-700); }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.wrap-narrow { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 20px; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 20px; max-width: 1120px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--navy-800), var(--teal-500));
  color: #fff; display: grid; place-items: center;
  font-family: 'Fraunces', serif; font-weight: 700; font-size: 1.1rem;
}
.brand-name { font-family: 'Fraunces', serif; font-weight: 700; color: var(--navy-900); font-size: 1.05rem; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.topbar-phone {
  display: inline-flex; align-items: center; gap: 7px; text-decoration: none;
  font-weight: 600; font-size: .93rem; color: var(--navy-800);
}
.topbar-phone i { color: var(--teal-500); }
.topbar-phone:hover { color: var(--teal-500); }
.brand-sub { display: block; font-family: 'Inter', sans-serif; font-size: .72rem; font-weight: 500; color: var(--ink-soft); letter-spacing: .08em; text-transform: uppercase; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px; border: 0; cursor: pointer;
  font-family: 'Inter', sans-serif; font-size: .98rem; font-weight: 600;
  text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--amber-500), #ef8f1c);
  color: #3a2400; box-shadow: 0 8px 22px rgba(245, 165, 36, .35);
}
.btn-primary:hover { box-shadow: 0 12px 28px rgba(245, 165, 36, .45); transform: translateY(-2px); }
.btn-dark { background: var(--navy-800); color: #fff; }
.btn-dark:hover { background: var(--navy-700); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--navy-800); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--navy-700); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1000px 500px at 12% -10%, rgba(42, 208, 195, .35), transparent 60%),
    radial-gradient(800px 500px at 95% 10%, rgba(245, 165, 36, .28), transparent 60%),
    linear-gradient(160deg, var(--navy-900), #0a1730 60%, #071022);
  padding: 66px 0 78px;
}
.hero h1, .hero h2 { color: #fff; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
  color: #fff; padding: 7px 15px; border-radius: 999px;
  font-size: .8rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); margin-top: 18px; }
.hero h1 em { font-style: normal; color: var(--amber-400); }
.hero-lead { font-size: 1.1rem; color: rgba(255, 255, 255, .84); max-width: 46ch; }
.meta-lines { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin: 4px 0 16px; }
.date-line {
  display: inline-flex; align-items: center; gap: 11px; margin: 0;
  background: rgba(245, 165, 36, .14); border: 1px solid rgba(255, 194, 92, .45);
  color: #fff; padding: 10px 18px; border-radius: 14px; font-size: 1rem;
}
.date-line i { color: var(--amber-400); }
.date-line strong { color: var(--amber-400); }
.place-line { background: rgba(42, 208, 195, .14); border-color: rgba(42, 208, 195, .45); }
.place-line i, .place-line strong { color: var(--teal-400); }

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-sm);
}
.contact-card h3 { font-size: 1.02rem; margin: 12px 0 6px; }
.contact-card p { margin: 0 0 12px; color: var(--ink-soft); font-size: .9rem; }
.contact-ico {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy-800), var(--teal-500)); color: #fff; font-size: 1rem;
}
.contact-link {
  display: inline-flex; align-items: center; gap: 7px; font-weight: 600;
  font-size: .93rem; color: var(--navy-800); text-decoration: none;
  border-bottom: 2px solid rgba(18, 179, 168, .35); padding-bottom: 2px; word-break: break-word;
}
.contact-link:hover { color: var(--teal-500); border-color: var(--teal-500); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 30px; }
.fact-num { font-family: 'Fraunces', serif; font-size: 1.6rem; color: var(--amber-400); display: block; }
.fact-lbl { font-size: .82rem; color: rgba(255, 255, 255, .7); }

.hero-card {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 22px; padding: 26px; backdrop-filter: blur(8px);
}
.hero-card h3 { color: #fff; font-size: 1.15rem; }
.perk-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.perk-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .95rem; color: rgba(255, 255, 255, .88); }
.perk-ico {
  flex: 0 0 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(42, 208, 195, .18); color: var(--teal-400);
}

/* ---------- Sections / cards ---------- */
.section { padding: 58px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 34px; }
.section-head h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
.section-head p { color: var(--ink-soft); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: 26px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.step-num {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--navy-900); color: #fff; font-weight: 700; font-size: .95rem; margin-bottom: 12px;
}
.step h3 { font-size: 1.05rem; }
.step p { margin: 0; color: var(--ink-soft); font-size: .93rem; }

/* ---------- Form ---------- */
.form-shell {
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  box-shadow: var(--shadow-md); overflow: hidden;
}
.form-shell-head {
  padding: 26px 30px; border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #fbfdff, #f2f6fd);
}
.form-shell-head h2 { margin: 0; font-size: 1.5rem; }
.form-shell-head p { margin: 6px 0 0; color: var(--ink-soft); font-size: .95rem; }
.form-body { padding: 30px; }

fieldset { border: 0; margin: 0 0 30px; padding: 0; }
legend {
  font-family: 'Fraunces', serif; font-size: 1.15rem; color: var(--navy-900);
  font-weight: 600; padding: 0; margin-bottom: 4px;
}
.legend-hint { color: var(--ink-soft); font-size: .9rem; margin: 0 0 16px; }
.step-badge {
  display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 8px;
  background: var(--teal-500); color: #fff; font-family: 'Inter', sans-serif;
  font-size: .82rem; font-weight: 700; margin-right: 9px; vertical-align: 2px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field > label { font-size: .88rem; font-weight: 600; color: var(--ink); }
.req { color: var(--coral-500); }
.hint { font-size: .8rem; color: var(--ink-soft); }

input[type="text"], input[type="tel"], input[type="email"], input[type="number"],
input[type="password"], input[type="search"], select, textarea {
  width: 100%; padding: 12px 14px; font-family: inherit; font-size: .98rem; color: var(--ink);
  background: #fff; border: 1.5px solid var(--line); border-radius: 12px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--teal-500); box-shadow: 0 0 0 4px rgba(18, 179, 168, .14);
}
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--coral-500); }
textarea { resize: vertical; min-height: 88px; }

.err { color: var(--coral-500); font-size: .8rem; min-height: 0; }

/* Radio / choice tiles */
.tiles { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.tile { position: relative; }
.tile input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.tile-body {
  display: flex; gap: 12px; align-items: flex-start; height: 100%;
  padding: 15px 16px; border: 1.5px solid var(--line); border-radius: 14px;
  background: #fff; cursor: pointer; transition: all .15s ease;
}
.tile-body:hover { border-color: var(--teal-400); background: #f9fefe; }
.tile input:checked + .tile-body {
  border-color: var(--teal-500); background: #f0fbfa;
  box-shadow: 0 0 0 3px rgba(18, 179, 168, .12);
}
.tile input:focus-visible + .tile-body { box-shadow: 0 0 0 4px rgba(18, 179, 168, .25); }
.tile-ico {
  flex: 0 0 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: #eef3fb; color: var(--navy-700); font-size: .95rem;
}
.tile input:checked + .tile-body .tile-ico { background: var(--navy-800); color: #fff; }
.tile-title { font-weight: 700; font-size: .96rem; color: var(--navy-900); }
.tile-desc { font-size: .84rem; color: var(--ink-soft); }
.tile-flag { font-size: 1.35rem; line-height: 1; }

/* Slots */
.group-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 6px; }
.group-tab {
  border: 1.5px solid var(--line); background: #fff; border-radius: 999px;
  padding: 10px 18px; cursor: pointer; font-family: inherit; font-size: .92rem; font-weight: 600;
  color: var(--ink-soft); transition: all .15s ease;
}
.group-tab:hover { border-color: var(--navy-700); color: var(--navy-800); }
.group-tab[aria-selected="true"] { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }
.group-tab .tab-sub { display: block; font-size: .74rem; font-weight: 500; opacity: .8; }

.slot-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 14px; }
.slot { position: relative; }
.slot input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.slot-body {
  display: block; padding: 15px 16px; border: 1.5px solid var(--line); border-radius: 14px;
  background: #fff; cursor: pointer; transition: all .15s ease;
}
.slot-body:hover { border-color: var(--teal-400); }
.slot input:checked + .slot-body {
  border-color: var(--teal-500); background: #f0fbfa; box-shadow: 0 0 0 3px rgba(18, 179, 168, .12);
}
.slot-time { font-family: 'Fraunces', serif; font-size: 1.22rem; font-weight: 600; color: var(--navy-900); }
.slot-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 8px; }
.pill {
  font-size: .76rem; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  letter-spacing: .02em;
}
.pill-free { background: #e7f8f2; color: #0c7a5e; }
.pill-few { background: #fff3dc; color: #935a06; }
.pill-full { background: #fdeaea; color: #b02a2a; }
.dots { display: flex; gap: 4px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #dfe6f2; }
.dot.taken { background: var(--navy-800); }
.slot.is-full .slot-body { background: #fafbfd; border-style: dashed; cursor: not-allowed; opacity: .75; }
.slot.is-full .slot-time { color: var(--ink-soft); text-decoration: line-through; }

.consent { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 12px; font-size: .89rem; color: var(--ink-soft); }
.consent input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--teal-500); flex: 0 0 auto; }

.form-foot {
  border-top: 1px solid var(--line); padding: 22px 30px 30px;
  background: linear-gradient(180deg, #fff, #f7f9fd);
}
.summary-bar {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  background: #fff; border: 1px dashed var(--line); border-radius: 14px;
  padding: 14px 16px; margin-bottom: 18px; font-size: .9rem;
}
.summary-bar strong { color: var(--navy-900); }

.alert { border-radius: 14px; padding: 14px 16px; font-size: .92rem; margin-bottom: 16px; }
.alert-err { background: #fdeaea; color: #8f2020; border: 1px solid #f6c9c9; }
.alert-ok { background: #e7f8f2; color: #0b6b53; border: 1px solid #bfe9db; }
.alert-info { background: #eef3fb; color: var(--navy-800); border: 1px solid #d6e2f5; }

/* Success panel */
.success-card { text-align: center; padding: 44px 30px; }
.success-ico {
  width: 74px; height: 74px; border-radius: 50%; margin: 0 auto 18px;
  display: grid; place-items: center; font-size: 2rem; color: #fff;
  background: linear-gradient(135deg, var(--teal-500), #0e8f86);
}
.code-box {
  display: inline-block; font-family: 'Fraunces', serif; font-size: 1.5rem; letter-spacing: .12em;
  background: var(--bg-soft); border: 1px dashed var(--navy-700); color: var(--navy-900);
  padding: 10px 22px; border-radius: 12px; margin: 8px 0 4px;
}
.recap { text-align: left; max-width: 420px; margin: 22px auto 0; }
.recap-row { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .93rem; }
.recap-row span:first-child { color: var(--ink-soft); }
.recap-row span:last-child { font-weight: 600; text-align: right; }

/* FAQ */
details.faq {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 10px;
}
details.faq summary { cursor: pointer; font-weight: 600; color: var(--navy-900); }
details.faq p { color: var(--ink-soft); margin: 10px 0 0; font-size: .93rem; }

/* Footer */
.site-foot { background: var(--navy-900); color: rgba(255, 255, 255, .72); padding: 34px 0; margin-top: 40px; font-size: .9rem; }
.site-foot a { color: var(--amber-400); }
.foot-grid { display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: start; }
.foot-brand { color: #fff; font-family: 'Fraunces', serif; font-size: 1.15rem; }
.foot-grid p { margin: 8px 0 0; }
.foot-contact { font-style: normal; display: grid; gap: 6px; }
.foot-contact p { margin: 0; display: flex; align-items: center; gap: 9px; }
.foot-contact i { color: var(--teal-400); width: 16px; text-align: center; }

/* Sticky mobile CTA */
.mobile-cta { display: none; }

/* ---------- Admin ---------- */
.admin-head { background: linear-gradient(135deg, var(--navy-900), #0a1730); color: #fff; padding: 26px 0; }
.admin-head h1 { color: #fff; font-size: 1.6rem; margin: 0; }
.admin-head p { margin: 4px 0 0; color: rgba(255, 255, 255, .7); font-size: .92rem; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px; box-shadow: var(--shadow-sm); }
.stat-num { font-family: 'Fraunces', serif; font-size: 1.7rem; color: var(--navy-900); }
.stat-lbl { font-size: .82rem; color: var(--ink-soft); }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 18px; }
.toolbar .grow { flex: 1 1 220px; }

.block-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-sm); margin-bottom: 16px; overflow: hidden; }
.block-card-head {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between;
  padding: 14px 18px; background: #f8fafd; border-bottom: 1px solid var(--line);
}
.block-title { font-family: 'Fraunces', serif; font-size: 1.1rem; color: var(--navy-900); }

table.reg-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.reg-table th, table.reg-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.reg-table th { font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); background: #fcfdff; }
tr.cancelled td { opacity: .55; }
tr.cancelled .child-name { text-decoration: line-through; }
.tag { display: inline-block; font-size: .74rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: #eef3fb; color: var(--navy-800); }
.tag-cancel { background: #fdeaea; color: #b02a2a; }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.empty-row { color: var(--ink-soft); font-style: italic; padding: 14px 18px; font-size: .9rem; }

.modal-back {
  position: fixed; inset: 0; background: rgba(11, 27, 58, .55); backdrop-filter: blur(3px);
  display: none; place-items: center; z-index: 90; padding: 20px; overflow: auto;
}
.modal-back.open { display: grid; }
.modal {
  background: #fff; border-radius: 20px; width: 100%; max-width: 560px;
  box-shadow: var(--shadow-lg); padding: 26px; margin: auto;
}
.modal h3 { margin-top: 0; }

.copy-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.copy-row input { flex: 1 1 260px; font-size: .88rem; }

.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;
}

.spinner {
  width: 18px; height: 18px; border: 2.5px solid rgba(255, 255, 255, .45);
  border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-box { text-align: center; padding: 30px; color: var(--ink-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .steps { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero { padding: 44px 0 54px; }
  .section { padding: 40px 0; }
  .form-body, .form-shell-head, .form-foot { padding-left: 18px; padding-right: 18px; }
  .grid-2, .tiles, .slot-grid, .contact-grid { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
  .brand-name { font-size: .95rem; white-space: nowrap; }
  .brand-name-long { display: none; }
  .topbar-phone { font-size: 0; gap: 0; padding: 8px; }
  .topbar-phone i { font-size: 1.05rem; }
  .topbar-actions { gap: 8px; }
  .topbar-actions .btn { width: auto; }
  .topbar-inner { padding: 10px 14px; }
  .nav-cta { white-space: nowrap; padding: 9px 15px; }
  .cta-long { display: none; }
  .date-line { font-size: .92rem; padding: 9px 14px; }
  .btn { width: 100%; }
  .toolbar .btn, .copy-row .btn { width: auto; }
  .hero-cta .btn { width: 100%; }
  table.reg-table th:nth-child(3), table.reg-table td:nth-child(3) { display: none; }
  .mobile-cta {
    display: block; position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .96); border-top: 1px solid var(--line);
    box-shadow: 0 -6px 20px rgba(11, 27, 58, .10);
  }
  body.has-mobile-cta { padding-bottom: 78px; }
}