/*
Theme Name: Kviz Arena
Theme URI: https://example.com/
Author: Milan & ChatGPT
Description: Moderna responsivna WordPress tema za kvizove, online natjecanja, bodove i rang listu.
Version: 1.0.0
Text Domain: kviz-arena
*/

:root{
  --bg:#f7fbff;
  --surface:#ffffff;
  --surface-soft:#eef7ff;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --secondary:#06b6d4;
  --accent:#facc15;
  --text:#172033;
  --muted:#64748b;
  --border:#dbeafe;
  --success:#16a34a;
  --danger:#ef4444;
  --shadow:0 20px 50px rgba(37,99,235,.12);
  --radius:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(6,182,212,.18), transparent 35%),
    radial-gradient(circle at top right, rgba(250,204,21,.18), transparent 28%),
    var(--bg);
  line-height:1.6;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.container{width:min(1180px, calc(100% - 32px));margin:0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;padding:13px 22px;
  font-weight:800;cursor:pointer;transition:.2s ease;
  background:var(--primary);color:#fff;box-shadow:0 12px 30px rgba(37,99,235,.22);
}
.btn:hover{transform:translateY(-2px);background:var(--primary-dark)}
.btn.light{background:#fff;color:var(--primary);border:1px solid var(--border)}
.btn.accent{background:var(--accent);color:#1e293b}
.badge{
  display:inline-flex;align-items:center;border-radius:999px;
  padding:7px 12px;background:var(--surface-soft);color:var(--primary);
  font-weight:800;font-size:.85rem;
}

.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.84);
  backdrop-filter:blur(18px);border-bottom:1px solid rgba(219,234,254,.8);
}
.header-inner{
  min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{
  display:flex;align-items:center;gap:10px;font-weight:950;font-size:1.35rem;
}
.logo-mark{
  width:42px;height:42px;border-radius:15px;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  box-shadow:0 10px 24px rgba(37,99,235,.24);
}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  padding:10px 13px;border-radius:999px;color:#334155;font-weight:750;font-size:.95rem;
}
.nav a:hover,.nav a.active{background:var(--surface-soft);color:var(--primary)}
.menu-toggle{display:none;border:0;background:var(--surface-soft);border-radius:14px;padding:10px 12px;font-size:1.35rem;color:var(--primary)}

.hero{padding:78px 0 46px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.hero h1{font-size:clamp(2.35rem,5vw,4.8rem);line-height:1.02;margin:18px 0;color:#0f172a;letter-spacing:-.06em}
.hero p{font-size:1.12rem;color:var(--muted);max-width:650px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-card{
  background:rgba(255,255,255,.78);border:1px solid var(--border);
  border-radius:34px;padding:24px;box-shadow:var(--shadow);
}
.live-box{
  background:linear-gradient(135deg,#eff6ff,#ecfeff);
  border-radius:26px;padding:22px;border:1px solid var(--border);
}
.question-card{
  margin-top:16px;background:#fff;border-radius:24px;padding:22px;border:1px solid var(--border);
}
.answers{display:grid;gap:10px;margin-top:16px}
.answer{
  padding:13px 15px;border:1px solid var(--border);border-radius:16px;background:#f8fbff;font-weight:750;
}
.answer.correct{border-color:rgba(22,163,74,.35);background:rgba(22,163,74,.1);color:#166534}

.section{padding:42px 0}
.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}
.section h2{font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.1;margin:0;letter-spacing:-.04em}
.section-title p{color:var(--muted);margin:8px 0 0}

.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:rgba(255,255,255,.88);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px;box-shadow:0 14px 34px rgba(15,23,42,.06);
}
.card h3{margin:0 0 8px;font-size:1.18rem}
.card p{color:var(--muted);margin:0 0 16px}
.icon{
  width:48px;height:48px;border-radius:17px;display:grid;place-items:center;
  background:linear-gradient(135deg,#dbeafe,#cffafe);font-size:1.4rem;margin-bottom:14px;
}

.quiz-card .meta{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.meta span{font-size:.82rem;color:#475569;background:#f1f5f9;border-radius:999px;padding:6px 10px;font-weight:750}
.progress{height:10px;background:#e2e8f0;border-radius:99px;overflow:hidden;margin:16px 0}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:99px}

.leaderboard{display:grid;gap:12px}
.rank-row{
  display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:12px 14px;
}
.rank-num{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:var(--surface-soft);font-weight:950;color:var(--primary)}
.points{font-weight:950;color:#0f172a}

.form-wrap{width:min(520px, calc(100% - 32px));margin:54px auto}
.form-box{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:30px;padding:28px}
.form-box h1{margin:0 0 6px;font-size:2rem}
.form-box p{margin:0 0 20px;color:var(--muted)}
.form-group{margin-bottom:15px}
label{display:block;font-weight:850;margin-bottom:7px}
input,select,textarea{
  width:100%;padding:14px 15px;border:1px solid #cbd5e1;border-radius:16px;
  font:inherit;background:#fff;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.notice{padding:13px 15px;border-radius:16px;margin-bottom:16px;font-weight:750}
.notice.error{background:rgba(239,68,68,.1);color:#991b1b}
.notice.success{background:rgba(22,163,74,.1);color:#166534}

.profile-head{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
}
.avatar{
  width:82px;height:82px;border-radius:28px;background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid;place-items:center;color:#fff;font-size:2rem;font-weight:950;
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.stat{text-align:center;background:#f8fbff;border:1px solid var(--border);border-radius:20px;padding:18px}
.stat strong{display:block;font-size:1.55rem}

.quiz-layout{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
.question-main h1{font-size:2.2rem;margin-top:0}
.option-btn{
  width:100%;text-align:left;margin-bottom:10px;padding:15px 16px;border-radius:18px;border:1px solid var(--border);
  background:#fff;font-weight:800;cursor:pointer;
}
.option-btn:hover{background:#eff6ff;border-color:#bfdbfe}
.timer{font-size:2rem;font-weight:950;color:var(--primary)}

.site-footer{margin-top:56px;padding:34px 0;background:#ffffff;border-top:1px solid var(--border);color:#64748b}
.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}

@media (max-width: 900px){
  .menu-toggle{display:block}
  .nav{
    position:absolute;left:16px;right:16px;top:82px;display:none;flex-direction:column;align-items:stretch;
    background:#fff;border:1px solid var(--border);border-radius:24px;padding:12px;box-shadow:var(--shadow)
  }
  .nav.open{display:flex}
  .nav a{display:block}
  .hero-grid,.quiz-layout{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .profile-head{grid-template-columns:auto 1fr}
  .profile-head .btn{grid-column:1 / -1}
}
@media (max-width: 560px){
  .container{width:min(100% - 22px,1180px)}
  .hero{padding-top:44px}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .section-title{display:block}
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:1fr}
  .rank-row{grid-template-columns:42px 1fr;gap:10px}
  .rank-row .points{grid-column:2}
}