:root {
  --bg: linear-gradient(135deg, #0f1624 0%, #17263b 100%);
  --card-bg: rgba(255, 255, 255, 0.06);
  --text: #e6edf3;
  --muted: #96a1b2;
  --accent: #6dd3ff;
  --accent-strong: #42b0ff;
  --danger: #ff6b6b;
  --success: #7ae582;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "SF Pro Display", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 32px;
}

.header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #42b0ff, #6dd3ff);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #0f1624;
  box-shadow: var(--shadow);
}

.title {
  font-size: 20px;
  font-weight: 700;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-body {
  margin-top: 12px;
}

.label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2px;
}

.badge {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
}

.badge.active {
  color: var(--success);
  border-color: rgba(122, 229, 130, 0.6);
}

.badge.inactive, .badge.expired {
  color: var(--danger);
  border-color: rgba(255, 107, 107, 0.6);
}

.stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.link-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 12px;
}

.link-block input {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 14px;
}

.link-block button {
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #42b0ff, #6dd3ff);
  color: #0f1624;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease;
}

.link-block button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.link-block button:active {
  transform: translateY(1px);
}

.actions {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.action-btn {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.2s ease;
}

.action-btn:hover {
  border-color: rgba(109, 211, 255, 0.5);
}

.action-btn:active {
  transform: translateY(1px);
}

.action-btn.secondary {
  background: rgba(255, 255, 255, 0.03);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.tab {
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.12s ease;
}

.tab.active {
  border-color: rgba(109, 211, 255, 0.7);
  background: rgba(109, 211, 255, 0.1);
}

.tab-content {
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 12px;
  color: var(--muted);
  line-height: 1.5;
  font-size: 14px;
}

.error {
  color: var(--danger);
  font-weight: 700;
  margin-top: 8px;
}

@media (max-width: 600px) {
  .page {
    padding: 16px 12px 24px;
  }

  .tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}