:root {
  color-scheme: dark;
  --bg: #020617;
  --bg-elevated: #020617;
  --bg-card: rgba(15, 23, 42, 0.9);
  --bg-input: #020617;
  --border-subtle: #1f2937;
  --border-strong: #4b5563;
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.18);
  --accent-strong: #a855f7;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --error: #f97373;
  --radius-lg: 18px;
  --radius-sm: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at top, #1f2937 0, #020617 50%, #000 100%),
    conic-gradient(
      from 180deg at 50% 10%,
      rgba(79, 70, 229, 0.4),
      transparent,
      rgba(168, 85, 247, 0.4),
      transparent
    );
  background-color: var(--bg);
  color: var(--text-primary);
}

.page {
  min-height: 100vh;
}

.page--center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.page--full {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem 1.75rem 1.9rem;
  box-shadow:
    0 30px 80px rgba(3, 7, 18, 0.9),
    0 0 0 1px rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
}

.card--auth {
  width: 100%;
  max-width: 420px;
}

.card__header {
  margin-bottom: 1.5rem;
}

.card__title {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.card__subtitle {
  margin: 0.35rem 0 0;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form__label {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.form__input {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 0.75rem;
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition:
    border-color 0.16s ease,
    box-shadow 0.16s ease,
    background-color 0.16s ease;
}

.form__input::placeholder {
  color: #4b5563;
}

.form__input:focus {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px rgba(79, 70, 229, 0.5),
    0 0 0 12px rgba(79, 70, 229, 0.1);
}

.form__error {
  margin: 0;
  font-size: 0.82rem;
  color: var(--error);
}

.button {
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.6rem 1rem;
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    box-shadow 0.12s ease,
    background-color 0.16s ease,
    border-color 0.16s ease,
    color 0.16s ease;
}

.button:active {
  transform: translateY(1px) scale(0.99);
}

.button--primary {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #f9fafb;
  box-shadow:
    0 16px 30px rgba(15, 23, 42, 0.9),
    0 0 20px rgba(79, 70, 229, 0.6);
}

.button--primary:hover {
  background: linear-gradient(135deg, #6366f1, #c084fc);
}

.button--ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.button--ghost:hover {
  background-color: rgba(15, 23, 42, 0.9);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background-color: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(14px);
}

.topbar__left,
.topbar__right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.topbar__logo {
  font-weight: 600;
  letter-spacing: -0.03em;
}

.topbar__tag {
  font-size: 0.78rem;
  color: var(--accent-strong);
  background-color: var(--accent-soft);
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  border: 1px solid rgba(129, 140, 248, 0.4);
}

.topbar__user {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.content {
  flex: 1;
  padding: 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.16), transparent 55%);
}

.stat__label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.stat__value {
  font-size: 1rem;
  font-weight: 600;
}

.stat__value--ok {
  color: #4ade80;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.tabs__btn {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.tabs__btn:hover {
  color: var(--text-primary);
  background: rgba(79, 70, 229, 0.15);
}

.tabs__btn.active {
  color: var(--text-primary);
  background: var(--accent-soft);
  border-color: rgba(129, 140, 248, 0.4);
}

.tab-panel {
  margin-top: 0.5rem;
}

.tab-panel .card__title {
  font-size: 1.1rem;
}

.tab-panel .card__subtitle {
  margin-bottom: 0.5rem;
}

@media (max-width: 640px) {
  .topbar {
    padding-inline: 1rem;
  }

  .content {
    padding: 1.1rem;
  }

  .card {
    padding: 1.35rem 1.3rem 1.5rem;
  }
}