:root {
  color-scheme: dark;
  --bg: #0e1116;
  --bg-elevated: #121821;
  --panel: #171d27;
  --panel-strong: #202938;
  --text: #edf2f7;
  --muted: #98a7b8;
  --line: #2a3544;
  --line-strong: #364557;
  --accent: #2dd4bf;
  --accent-strong: #14b8a6;
  --accent-soft: rgba(45, 212, 191, 0.14);
  --accent-text: #062b28;
  --warning-text: #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.12);
  --warning-line: rgba(251, 191, 36, 0.4);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  background: rgba(18, 24, 33, 0.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

nav {
  display: flex;
  gap: 14px;
  flex: 1;
}

nav a,
.logout {
  color: var(--accent);
  text-decoration: none;
  border-radius: 6px;
  padding: 7px 9px;
  transition: background 0.16s ease, color 0.16s ease;
}

nav a:hover,
.logout:hover,
nav a:focus-visible,
.logout:focus-visible {
  background: var(--accent-soft);
  color: #7ef7e6;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

h1 {
  margin: 0 0 20px;
  font-size: 28px;
  line-height: 1.2;
}

h2 {
  margin-top: 28px;
  color: #d8e0e9;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.metric-grid article,
.login-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.metric-grid span {
  display: block;
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
}

.metric-grid b,
.muted {
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
}

th {
  background: var(--panel-strong);
  font-weight: 650;
  color: #dce5ee;
}

tbody tr {
  transition: background 0.14s ease;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

tbody tr:last-child td {
  border-bottom: 0;
}

.filters {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

input,
button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  font: inherit;
}

input {
  background: var(--bg-elevated);
  color: var(--text);
}

input::placeholder {
  color: #6f7f90;
}

input:focus,
button:focus-visible {
  outline: 2px solid rgba(45, 212, 191, 0.38);
  outline-offset: 2px;
  border-color: var(--accent-strong);
}

button {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #5eead4;
  border-color: #5eead4;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--bg);
}

.login-box {
  width: min(460px, 100%);
  padding: 34px 38px;
}

.login-box p {
  font-size: 16px;
  color: #c6d0dc;
}

.telegram-login-widget {
  display: flex;
  justify-content: center;
  min-height: 48px;
  margin: 24px 0 16px;
}

.warning {
  color: var(--warning-text);
  background: var(--warning-bg);
  border: 1px solid var(--warning-line);
  border-radius: 6px;
  padding: 10px 12px;
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 16px;
  }

  nav {
    flex-wrap: wrap;
    width: 100%;
  }

  .logout {
    align-self: flex-start;
  }

  .filters {
    flex-direction: column;
  }

  table {
    display: block;
    overflow-x: auto;
  }
}