:root {
  --bg: #0b1020;
  --bg-2: #121a30;
  --card: #161f38;
  --card-2: #1c2742;
  --border: #25314f;
  --text: #e8edf7;
  --muted: #93a0bd;
  --primary: #5b8cff;
  --primary-2: #3f6fe0;
  --accent: #00d3a7;
  --danger: #ff5d6c;
  --warn: #ffb020;
  --gold: #ffd34e;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #16224a 0%, transparent 50%),
    linear-gradient(180deg, #0b1020 0%, #0a0e1c 100%);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ===== Topbar ===== */
#topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 24px;
  background: rgba(18, 26, 48, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
}
.logo {
  font-size: 26px;
}
.brand-name {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

#nav {
  display: flex;
  gap: 6px;
  flex: 1;
  flex-wrap: wrap;
}
#nav button {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: 0.15s;
}
#nav button:hover {
  color: var(--text);
  background: var(--card-2);
}
#nav button.active {
  color: #fff;
  background: var(--primary-2);
}

.user-box {
  display: flex;
  align-items: center;
  gap: 12px;
}
#user-name {
  color: var(--muted);
  font-size: 14px;
}

/* ===== Layout ===== */
#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}
.loader {
  text-align: center;
  color: var(--muted);
  padding: 60px;
}

.page-title {
  font-size: 24px;
  font-weight: 800;
  margin: 4px 0 20px;
}
.section-title {
  font-size: 16px;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Cards ===== */
.grid {
  display: grid;
  gap: 16px;
}
.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h3 {
  margin: 0 0 14px;
  font-size: 17px;
}

.stat {
  background: linear-gradient(160deg, var(--card-2), var(--card));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat .value {
  font-size: 30px;
  font-weight: 800;
}
.stat .label {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

/* ===== Buttons ===== */
.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.15s;
  background: var(--primary-2);
  color: #fff;
}
.btn:hover {
  filter: brightness(1.1);
}
.btn:active {
  transform: translateY(1px);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-accent {
  background: var(--accent);
  color: #04221b;
}
.btn-danger {
  background: var(--danger);
}
.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== Forms ===== */
.field {
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
input,
select,
textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.row .field {
  flex: 1;
  min-width: 140px;
  margin-bottom: 0;
}

/* ===== Tables ===== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}
.badge-admin {
  background: rgba(255, 93, 108, 0.15);
  color: var(--danger);
}
.badge-ustoz {
  background: rgba(91, 140, 255, 0.15);
  color: var(--primary);
}
.badge-kurator {
  background: rgba(0, 211, 167, 0.15);
  color: var(--accent);
}
.badge-oquvchi {
  background: rgba(147, 160, 189, 0.15);
  color: var(--muted);
}
.rank-1 {
  color: var(--gold);
  font-weight: 800;
}
.rank-2 {
  color: #cfd6e6;
  font-weight: 800;
}
.rank-3 {
  color: #e0a878;
  font-weight: 800;
}

.muted {
  color: var(--muted);
}
.empty {
  color: var(--muted);
  text-align: center;
  padding: 30px;
}

/* ===== Auth ===== */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.auth-logo {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 4px;
}
.auth-logo .brand-name {
  font-size: 26px;
}
.auth-sub {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}
.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.auth-tabs button {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}
.auth-tabs button.active {
  background: var(--primary-2);
  color: #fff;
  border-color: var(--primary-2);
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 100;
  font-weight: 600;
  max-width: 90vw;
}
.toast.err {
  border-color: var(--danger);
  color: #ffd7db;
}
.toast.ok {
  border-color: var(--accent);
}

/* ===== Misc ===== */
.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  gap: 10px;
}
.list-item:last-child {
  border-bottom: none;
}
.flex {
  display: flex;
  gap: 10px;
  align-items: center;
}
.spacer {
  flex: 1;
}
.pill {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--muted);
}
.tabbar {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.tabbar button {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}
.tabbar button.active {
  background: var(--primary-2);
  color: #fff;
  border-color: var(--primary-2);
}
.progress {
  height: 8px;
  background: var(--bg-2);
  border-radius: 6px;
  overflow: hidden;
}
.progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
a {
  color: var(--primary);
}