/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:   #2e7d32;
  --green-l: #43a047;
  --accent:  #f9a825;
  --bg:      #f4f6f4;
  --card:    #ffffff;
  --text:    #1a1a1a;
  --muted:   #666;
  --border:  #dde5dd;
  --radius:  8px;
  --shadow:  0 2px 8px rgba(0,0,0,.08);
}

body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

/* ── Navbar ──────────────────────────────────────────────────────────────── */
.navbar {
  background: var(--green);
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1.5rem;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
  flex-wrap: wrap; gap: .5rem;
}
.navbar .brand { color: #fff; text-decoration: none; font-size: 1.25rem; font-weight: 700; }
.nav-links { list-style: none; display: flex; gap: .25rem; flex-wrap: wrap; }
.nav-links a {
  color: rgba(255,255,255,.9); text-decoration: none;
  padding: .35rem .75rem; border-radius: var(--radius);
  font-size: .9rem; transition: background .15s;
}
.nav-links a:hover { background: rgba(255,255,255,.15); color: #fff; }

/* ── Layout ──────────────────────────────────────────────────────────────── */
.container { max-width: 960px; margin: 2rem auto; padding: 0 1rem; }
.footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 2rem 0 1rem; }

/* ── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1.5rem; margin-bottom: 1.5rem;
}
.card h2 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--green); }

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.alert { padding: .85rem 1.2rem; border-radius: var(--radius); margin-bottom: 1rem; font-weight: 500; }
.alert-success { background: #e8f5e9; color: #2e7d32; border-left: 4px solid #2e7d32; }
.alert-error   { background: #fce4ec; color: #b71c1c; border-left: 4px solid #c62828; }
.alert-info    { background: #e3f2fd; color: #0d47a1; border-left: 4px solid #1565c0; }
.alert-warning { background: #fff8e1; color: #e65100; border-left: 4px solid #ef6c00; }

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: .35rem; font-size: .9rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: .55rem .8rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 1rem; background: #fafafa; color: var(--text);
  transition: border-color .15s;
}
.form-group input:focus,
.form-group select:focus { outline: none; border-color: var(--green-l); background: #fff; }
.form-hint { font-size: .8rem; color: var(--muted); margin-top: .25rem; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block; padding: .55rem 1.2rem; border-radius: var(--radius);
  font-size: .95rem; font-weight: 600; cursor: pointer; text-decoration: none;
  border: none; transition: filter .15s, transform .1s;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-primary  { background: var(--green);   color: #fff; }
.btn-accent   { background: var(--accent);  color: #1a1a1a; }
.btn-danger   { background: #c62828;        color: #fff; }
.btn-sm       { padding: .3rem .75rem; font-size: .82rem; }

/* ── Tables ──────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { background: var(--green); color: #fff; padding: .6rem .9rem; text-align: left; }
td { padding: .55rem .9rem; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f0f7f0; }
.rank-1 td:first-child { font-weight: 700; color: var(--accent); }
.rank-2 td:first-child { font-weight: 700; color: #78909c; }
.rank-3 td:first-child { font-weight: 700; color: #a1887f; }

/* ── Score badge ─────────────────────────────────────────────────────────── */
.score { font-family: monospace; background: #e8f5e9; color: var(--green); padding: .15rem .5rem; border-radius: 4px; font-size: .9rem; }

/* ── Page header ─────────────────────────────────────────────────────────── */
.page-header { margin-bottom: 1.5rem; }
.page-header h1 { font-size: 1.6rem; color: var(--green); }
.page-header p  { color: var(--muted); margin-top: .25rem; }

/* ── Auth forms ──────────────────────────────────────────────────────────── */
.auth-box { max-width: 420px; margin: 3rem auto; }
.auth-box .card { padding: 2rem; }
.auth-box h1   { text-align: center; color: var(--green); font-size: 1.5rem; margin-bottom: 1.5rem; }

/* ── Tabs ────────────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: .5rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.tab-btn {
  padding: .45rem 1rem; border: 2px solid var(--border); background: #fff;
  border-radius: var(--radius); cursor: pointer; font-weight: 600; font-size: .9rem;
  color: var(--muted); transition: all .15s;
}
.tab-btn.active { border-color: var(--green); color: var(--green); background: #e8f5e9; }

/* ── Status badges ───────────────────────────────────────────────────────── */
.badge { display: inline-block; padding: .2rem .6rem; border-radius: 99px; font-size: .75rem; font-weight: 700; }
.badge-pending  { background: #fff3e0; color: #e65100; }
.badge-active   { background: #e8f5e9; color: #2e7d32; }
.badge-banned   { background: #fce4ec; color: #b71c1c; }

/* ── Grid helpers ────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media(max-width:600px){ .grid-2 { grid-template-columns: 1fr; } }

/* ── Profile stats ───────────────────────────────────────────────────────── */
.stat-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.stat-box { flex: 1; min-width: 120px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; text-align: center; }
.stat-box .stat-val { font-size: 1.6rem; font-weight: 700; color: var(--green); }
.stat-box .stat-lbl { font-size: .78rem; color: var(--muted); margin-top: .1rem; }