:root {
  --bg: #f4efe6;
  --panel: #fffaf1;
  --ink: #1f1b16;
  --muted: #6a6258;
  --accent: #1c8c6e;
  --accent-dark: #136851;
  --line: #e6dccf;
  --shadow: 0 18px 50px rgba(47, 34, 19, 0.08);
  --warning-bg: #fff3da;
  --warning-line: #f2c979;
  --success-bg: #e8f7ef;
  --success-line: #88c9a5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, #fff2cf, transparent 28%),
    radial-gradient(circle at bottom right, #d8efe7, transparent 25%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.login-page,
.page-shell {
  min-height: 100vh;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card,
.panel,
.sidebar {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.login-card {
  width: min(560px, 100%);
  padding: 40px;
  border-radius: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--muted);
}

.lead,
.subtle {
  color: var(--muted);
}

.telegram-login {
  margin-top: 28px;
}

.page-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px;
}

.sidebar {
  border-radius: 26px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 30px 0;
}

.nav-tabs a,
.ghost-btn,
.primary-btn,
.secondary-btn {
  border-radius: 14px;
  padding: 14px 16px;
  font-weight: 600;
  transition: 0.18s ease;
}

.nav-tabs a {
  border: 1px solid transparent;
}

.nav-tabs a.active,
.nav-tabs a:hover {
  background: #f1e6d7;
  border-color: var(--line);
}

.ghost-btn,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border: none;
  cursor: pointer;
}

.ghost-btn {
  background: #efe4d5;
}

.primary-btn {
  background: var(--accent);
  color: #fff;
}

.primary-btn:hover {
  background: var(--accent-dark);
}

.secondary-btn {
  background: #ebf7f3;
  color: var(--accent-dark);
}

.content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.panel {
  border-radius: 26px;
  padding: 28px;
}

.stats-grid,
.plan-grid {
  display: grid;
  gap: 16px;
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.plan-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 20px;
}

.stat-card,
.plan-card,
.notice,
.ref-card,
.warning-box,
.status-banner,
.about-box {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.warning-box {
  background: var(--warning-bg);
  border-color: var(--warning-line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0 10px;
}

.status-banner {
  background: var(--success-bg);
  border-color: var(--success-line);
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #16a34a;
  box-shadow: 0 0 0 6px rgba(22, 163, 74, 0.12);
}

.stat-card span,
.ref-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.stat-card strong {
  font-size: 20px;
}

.price {
  font-size: 28px;
  font-weight: 700;
  margin: 12px 0 18px;
}

.plan-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.code-box,
.copy-card {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 16px;
  background: #fffdf8;
  color: var(--ink);
}

.copy-card {
  cursor: pointer;
  text-align: left;
}

.copy-card:hover {
  border-color: #c9bba8;
  background: #fff8ee;
}

.copy-card__label {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
  font-size: 14px;
}

.copy-card__value {
  display: block;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.45;
  word-break: break-all;
}

.help-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.help-list a {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.notice {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.about-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-box p {
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 920px) {
  .page-shell {
    grid-template-columns: 1fr;
  }
}