:root {
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #16a34a;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
  --maxw: 720px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--teal-dark); text-decoration: none; }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 0 0 .6rem; }
h3 { font-size: 1rem; margin: .8rem 0 .4rem; }
.muted { color: var(--muted); }
.center { text-align: center; }
.hidden { display: none !important; }

/* ── Topbar ── */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: .7rem 1rem; background: var(--teal); color: #fff;
  padding-top: calc(.7rem + env(safe-area-inset-top));
}
.brand { color: #fff; font-weight: 800; font-size: 1.2rem; display: flex; gap: .3rem; align-items: center; }
.topnav { display: flex; align-items: center; gap: .6rem; }
.mainnav { display: none; }
.mainnav a { color: #fff; font-weight: 600; opacity: .85; padding: .3rem .2rem; border-bottom: 2px solid transparent; }
.mainnav a:hover { opacity: 1; }
.mainnav a.active { opacity: 1; border-bottom-color: #fff; }
.icon-btn { position: relative; color: #fff; font-size: 1.25rem; }
.badge {
  position: absolute; top: -6px; right: -8px; background: var(--danger); color: #fff;
  font-size: .65rem; min-width: 16px; height: 16px; border-radius: 8px; padding: 0 4px;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.avatar {
  width: 34px; height: 34px; border-radius: 50%; background: #fff; color: var(--teal-dark);
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.avatar-lg { width: 56px; height: 56px; font-size: 1.4rem; }
.link-btn { background: none; border: none; color: #fff; cursor: pointer; font-size: .85rem; opacity: .9; }
.inline { display: inline; }

/* ── Layout ── */
.container { max-width: var(--maxw); margin: 0 auto; padding: 1rem 1rem 5.5rem; }

/* ── Cards ── */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem; margin-bottom: 1rem; box-shadow: var(--shadow); }
.card.narrow { max-width: 460px; margin-left: auto; margin-right: auto; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .8rem; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; cursor: pointer;
  border: 1px solid transparent; border-radius: 10px; padding: .6rem 1rem; font-size: .95rem; font-weight: 600;
  transition: .15s; text-decoration: none; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); }
.btn-ghost { background: #fff; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: #f1f5f9; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: .4rem .7rem; font-size: .82rem; border-radius: 8px; }
.btn-lg { padding: .8rem 1.4rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ── Forms ── */
.form label { display: block; margin-bottom: .8rem; font-weight: 600; font-size: .9rem; }
.form input, .form select, .form textarea {
  width: 100%; margin-top: .3rem; padding: .65rem .7rem; font-size: 1rem; font-weight: 400;
  border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--text);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.form .check { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
.form .check input { width: auto; margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.inline-form { display: flex; gap: .6rem; align-items: flex-end; flex-wrap: wrap; }
.inline-form label { flex: 1; margin-bottom: 0; }

/* segmented control */
.seg { display: flex; gap: .5rem; border: none; padding: 0; margin: 0 0 .8rem; }
.seg-opt { flex: 1; position: relative; }
.seg-opt input { position: absolute; opacity: 0; }
.seg-opt span { display: block; text-align: center; padding: .55rem; border: 1px solid var(--border); border-radius: 10px; font-weight: 600; font-size: .88rem; }
.seg-opt input:checked + span { background: var(--teal); color: #fff; border-color: var(--teal); }

/* ── Flash ── */
.flashes { margin-bottom: 1rem; }
.flash { padding: .7rem .9rem; border-radius: 10px; margin-bottom: .5rem; font-size: .9rem; font-weight: 500; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }
.flash-info { background: #e0f2fe; color: #075985; }

/* ── Hero / features ── */
.hero { text-align: center; padding: 2rem 0 1rem; }
.hero h1 { font-size: 1.8rem; }
.lead { color: var(--muted); max-width: 460px; margin: .5rem auto 1.2rem; }
.cta-row { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 1.5rem; }
.feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; text-align: center; }
.fc-ico { font-size: 1.8rem; }

/* ── Events ── */
.filter-bar { margin-bottom: 1rem; }
.filter-bar select { padding: .55rem .7rem; border-radius: 10px; border: 1px solid var(--border); background: #fff; font-size: .95rem; }
.day-head { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 1.1rem 0 .5rem; }
.event-list { display: flex; flex-direction: column; gap: .6rem; }
.event-card { display: flex; align-items: center; gap: .8rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem; box-shadow: var(--shadow); }
.ec-sport { font-size: 1.6rem; }
.ec-main { flex: 1; min-width: 0; }
.ec-title { font-weight: 700; display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.ec-sub { color: var(--muted); font-size: .85rem; }
.ec-meta { text-align: right; font-size: .75rem; color: var(--muted); display: flex; flex-direction: column; gap: .25rem; align-items: flex-end; }
.empty { text-align: center; padding: 2.5rem 1rem; color: var(--muted); }

.chip { display: inline-block; background: #f1f5f9; color: var(--muted); border-radius: 999px; padding: .12rem .55rem; font-size: .72rem; font-weight: 600; }
.chip-host { background: #ccfbf1; color: var(--teal-dark); }
.chip-ok { background: #dcfce7; color: var(--ok); }
.chip-warn { background: #fef3c7; color: var(--warn); }
.chip-bad { background: #fee2e2; color: var(--danger); }
.chip-skill { background: #e0f2fe; color: #075985; }

/* event detail */
.event-head { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; }
.sport-badge { font-size: 2rem; }
.meta-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .35rem; font-size: .92rem; }
.status { margin-left: auto; padding: .2rem .6rem; border-radius: 999px; font-size: .72rem; font-weight: 700; text-transform: uppercase; }
.status-open { background: #dcfce7; color: var(--ok); }
.status-matched { background: #ccfbf1; color: var(--teal-dark); }
.status-cancelled { background: #fee2e2; color: var(--danger); }
.status-completed { background: #e2e8f0; color: var(--muted); }
.status-app-pending { background: #fef3c7; color: var(--warn); }
.status-app-accepted { background: #dcfce7; color: var(--ok); }
.status-app-rejected { background: #fee2e2; color: var(--danger); }
.status-app-withdrawn { background: #e2e8f0; color: var(--muted); }

.applicant { display: flex; align-items: center; justify-content: space-between; gap: .6rem; padding: .7rem 0; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.applicant:last-child { border-bottom: none; }
.applicant.accepted { background: #f0fdfa; border-radius: 10px; padding: .7rem; }
.row-actions { display: flex; gap: .4rem; }
.msg-preview { font-size: .85rem; color: var(--muted); font-style: italic; margin-top: .2rem; }

/* ── Profile ── */
.profile-head { display: flex; align-items: center; gap: 1rem; margin-bottom: .8rem; }
.badges { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .3rem; }
.bio { color: var(--text); }
.skill-row { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .8rem; }
.review { border-bottom: 1px solid var(--border); padding: .7rem 0; }
.review:last-of-type { border-bottom: none; }
.review-head { display: flex; justify-content: space-between; align-items: center; }
.stars { color: var(--warn); font-size: .85rem; }
.review-form { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 1rem; }

/* ── Chat ── */
.conv-list { display: flex; flex-direction: column; gap: .4rem; }
.conv-item { display: flex; align-items: center; gap: .7rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: .7rem; }
.conv-item .avatar { background: var(--teal); color: #fff; }
.conv-main { flex: 1; min-width: 0; }
.conv-sub { font-size: .8rem; color: var(--muted); }
.conv-time { font-size: .72rem; color: var(--muted); }

.chat-wrap { display: flex; flex-direction: column; height: calc(100vh - 64px - env(safe-area-inset-top)); margin: -1rem -1rem 0; }
.chat-head { display: flex; align-items: center; gap: .6rem; padding: .6rem 1rem; background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; }
.chat-head .back { font-size: 1.6rem; color: var(--muted); line-height: 1; }
.chat-peer { display: flex; align-items: center; gap: .5rem; color: var(--text); }
.chat-peer .avatar { background: var(--teal); color: #fff; width: 30px; height: 30px; font-size: .85rem; }
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .4rem; }
.bubble { max-width: 78%; padding: .5rem .75rem; border-radius: 14px; font-size: .92rem; position: relative; }
.bubble.mine { align-self: flex-end; background: var(--teal); color: #fff; border-bottom-right-radius: 4px; }
.bubble.theirs { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.bubble-time { display: block; font-size: .65rem; opacity: .7; margin-top: .15rem; text-align: right; }
.chat-input { display: flex; gap: .5rem; padding: .6rem 1rem calc(.6rem + env(safe-area-inset-bottom)); background: #fff; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; padding: .65rem .8rem; border: 1px solid var(--border); border-radius: 999px; font-size: 1rem; }

/* ── Notifications ── */
.notif-list { display: flex; flex-direction: column; gap: .4rem; }
.notif-item { display: flex; gap: .6rem; justify-content: space-between; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem; }
.notif-item.unread { border-left: 3px solid var(--teal); }
.notif-body { font-size: .85rem; color: var(--muted); }
.notif-time { font-size: .72rem; color: var(--muted); white-space: nowrap; }

.stack { background: #0f172a; color: #e2e8f0; padding: 1rem; border-radius: 10px; overflow-x: auto; font-size: .75rem; text-align: left; }

/* ── Bottom nav (mobil) ── */
.bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  display: flex; background: #fff; border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
.bottomnav a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: .5rem 0; font-size: .68rem; color: var(--muted);
}
.bottomnav a.active { color: var(--teal-dark); font-weight: 700; }
.bn-ico { font-size: 1.25rem; }

/* ── Desktop ── */
@media (min-width: 768px) {
  :root { --maxw: 960px; }
  .topbar { padding-left: 2rem; padding-right: 2rem; gap: 2rem; }
  .brand { font-size: 1.3rem; }
  /* desktop felső menü, alsó nav elrejtve */
  .mainnav { display: flex; align-items: center; gap: 1.4rem; flex: 1; }
  .bottomnav { display: none; }
  .container { padding: 1.5rem 1.5rem 2rem; }

  .features { grid-template-columns: repeat(4, 1fr); }
  /* két oszlopos eseménylista nagyobb képernyőn */
  .event-list { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
  .card.narrow { max-width: 480px; }
  .chat-wrap { height: 72vh; max-width: 760px; margin: 0 auto; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
}

@media (min-width: 1100px) {
  :root { --maxw: 1040px; }
}