/* ── Mental Arifmetika Quiz — Asosiy stillar ─────────────── */
:root {
  --green:    #00B341;
  --green-d:  #007A2B;
  --green-l:  #E8FFE8;
  --yellow:   #FFD000;
  --yellow-d: #B89000;
  --yellow-l: #FFFBE6;
  --blue:     #1877F2;
  --blue-d:   #0D5EBF;
  --blue-l:   #E7F0FF;
  --red:      #FF2D2D;
  --orange:   #FF7A00;
  --purple:   #8B2BE2;
  --bg:       #FFF9EC;
  --card:     #fff;
  --out:      #1A1A1A;
  --sh:       0 6px 0 #1A1A1A;
  --r:        16px;
  --ff:       'Fredoka One', cursive;
  --fb:       'Nunito', sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: var(--fb);
  background: var(--bg);
  color: var(--out);
  min-height: 100vh;
}

/* ── Topbar ───────────────────────────────── */
.auth-topbar {
  background: var(--green);
  border-bottom: 4px solid var(--out);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 0 var(--out);
}
.auth-topbar .logo {
  font-family: var(--ff);
  font-size: 22px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.auth-topbar .topbar-nav {
  display: flex;
  gap: 8px;
}
.auth-topbar .topbar-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 16px;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 10px;
  transition: .2s;
}
.auth-topbar .topbar-nav a:hover {
  background: rgba(255,255,255,0.2);
}
.auth-topbar .topbar-nav a.active {
  background: #fff;
  color: var(--green-d);
}

/* ── Auth card ────────────────────────────── */
.auth-page {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}
.auth-card {
  background: var(--card);
  border: 3px solid var(--out);
  border-radius: var(--r);
  box-shadow: var(--sh);
  padding: 36px 32px;
  width: 100%;
  max-width: 440px;
}
.auth-card h2 {
  font-family: var(--ff);
  font-size: 26px;
  margin-bottom: 8px;
  color: var(--green-d);
}
.auth-card .subtitle {
  font-size: 14px;
  color: #777;
  margin-bottom: 28px;
}

/* ── Form elements ────────────────────────── */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 13px;
  color: #444;
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid #ddd;
  border-radius: 10px;
  font-size: 15px;
  font-family: var(--fb);
  transition: .2s;
  outline: none;
  background: #fff;
}
.form-control:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,179,65,.12);
}
.form-control.error {
  border-color: var(--red);
}

/* ── Tugmalar ─────────────────────────────── */
.btn {
  display: block;
  width: 100%;
  padding: 13px;
  border: 3px solid var(--out);
  border-radius: 12px;
  font-family: var(--ff);
  font-size: 16px;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
  box-shadow: 4px 4px 0 var(--out);
  text-decoration: none;
}
.btn:active { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--out); }
.btn-green  { background: var(--green);  color: #fff; }
.btn-blue   { background: var(--blue);   color: #fff; }
.btn-orange { background: var(--orange); color: #fff; }
.btn-white  { background: #fff;          color: var(--out); }
.btn-purple { background: var(--purple); color: #fff; }
.btn-sm {
  width: auto;
  padding: 8px 16px;
  font-size: 13px;
  box-shadow: 2px 2px 0 var(--out);
}

/* ── Steps indicator ─────────────────────── */
.steps {
  display: flex;
  gap: 6px;
  margin-bottom: 24px;
}
.step-dot {
  flex: 1;
  height: 6px;
  background: #e0e0e0;
  border-radius: 3px;
  transition: .3s;
}
.step-dot.active { background: var(--green); }
.step-dot.done   { background: var(--green-d); }

/* ── Alert ────────────────────────────────── */
.alert {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: none;
}
.alert.show   { display: block; }
.alert-error  { background: #ffebee; color: #c00; border: 1px solid #ffcdd2; }
.alert-success{ background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.alert-info   { background: var(--blue-l); color: var(--blue-d); border: 1px solid #bbdefb; }

/* ── Divider ─────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: #aaa;
  font-size: 13px;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  border-top: 1px solid #e0e0e0;
}

/* ── Dashboard grid ──────────────────────── */
.dash-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}
@media (max-width: 768px) {
  .dash-grid { grid-template-columns: 1fr; }
}

.dash-card {
  background: var(--card);
  border: 3px solid var(--out);
  border-radius: var(--r);
  box-shadow: var(--sh);
  padding: 20px;
  margin-bottom: 16px;
}
.dash-card-title {
  font-family: var(--ff);
  font-size: 16px;
  color: var(--green-d);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green-l);
}

/* ── Status badge ────────────────────────── */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}
.badge-active  { background: var(--green-l);  color: var(--green-d); }
.badge-pending { background: var(--yellow-l); color: var(--yellow-d); }
.badge-expired { background: #ffebee;         color: #c00; }

/* ── Chat ────────────────────────────────── */
.chat-box {
  height: 340px;
  overflow-y: auto;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  padding: 12px;
  background: #f9f9f9;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}
.chat-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.5;
}
.chat-msg.mine  {
  align-self: flex-end;
  background: var(--green);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-msg.theirs {
  align-self: flex-start;
  background: #fff;
  border: 2px solid #e0e0e0;
  border-bottom-left-radius: 4px;
}
.chat-msg .time {
  font-size: 11px;
  opacity: 0.7;
  margin-top: 4px;
}
.chat-input-row {
  display: flex;
  gap: 8px;
}
.chat-input-row input {
  flex: 1;
}

/* ── Progress bar ────────────────────────── */
.progress-wrap { background: #e0e0e0; border-radius: 20px; height: 10px; overflow: hidden; }
.progress-bar  { height: 100%; border-radius: 20px; background: var(--green); transition: .5s; }

/* ── Tarif kartalar ──────────────────────── */
.tariff-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
  gap: 16px;
  margin-top: 16px;
}
.tariff-card {
  border: 3px solid var(--out);
  border-radius: var(--r);
  padding: 20px;
  box-shadow: 4px 4px 0 var(--out);
  text-align: center;
  background: #fff;
  transition: .15s;
}
.tariff-card:hover { transform: translateY(-2px); }
.tariff-card.popular {
  border-color: var(--green);
  box-shadow: 4px 4px 0 var(--green-d);
}
.tariff-card .price {
  font-family: var(--ff);
  font-size: 28px;
  color: var(--green-d);
  margin: 10px 0;
}
.tariff-card ul {
  list-style: none;
  text-align: left;
  margin: 14px 0 18px;
  font-size: 13px;
}
.tariff-card ul li::before { content: '✅ '; }

/* ── Admin table ─────────────────────────── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.admin-table th {
  background: var(--green);
  color: #fff;
  padding: 10px 12px;
  text-align: left;
  font-family: var(--ff);
}
.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
}
.admin-table tr:hover td { background: var(--green-l); }

/* ── Loader ──────────────────────────────── */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid #ddd;
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }