:root {
  --bg: #0f1116;
  --bg-soft: #10131a;
  --panel: #1a1f2b;
  --panel-soft: #212838;
  --text: #e9eefc;
  --muted: #9ca9c7;
  --border: #2a344a;
  --accent: #5e8cff;
  --accent-soft: rgba(94, 140, 255, 0.16);
  --danger: #e06666;
  --danger-soft: rgba(224, 102, 102, 0.18);
  --success: #52c98b;
  --success-soft: rgba(82, 201, 139, 0.16);
  --warning: #f1c84c;
  --warning-soft: rgba(241, 200, 76, 0.14);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(94, 140, 255, 0.18), transparent 30%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  color: var(--text);
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 14px 40px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.topbar h1 {
  margin: 0;
  text-align: left;
  font-size: 20px;
  line-height: 1.25;
}

.topbar-subtitle {
  display: inline-block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

.spacer {
  flex: 1 1 auto;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-btn,
.logout-link,
.primary-btn,
.secondary-btn,
.small-btn,
button,
input,
select,
textarea {
  border-radius: 12px;
}

.nav-btn,
.logout-link,
.primary-btn,
.secondary-btn,
.small-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  text-decoration: none;
  white-space: nowrap;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.12s ease;
}

.nav-btn:hover,
.secondary-btn:hover,
.small-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.logout-link {
  background: #b23b3b;
  border-color: #b23b3b;
}

.logout-link:hover {
  background: #942f2f;
  border-color: #942f2f;
}

.primary-btn,
button,
button[type="submit"] {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--text);
  cursor: pointer;
}

.primary-btn:hover,
button:hover,
button[type="submit"]:hover {
  filter: brightness(1.06);
}

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

button:active,
.primary-btn:active,
.secondary-btn:active,
.small-btn:active,
.nav-btn:active,
.logout-link:active {
  transform: translateY(1px);
}

.panel,
.card,
.stat-card,
.account-card,
.import-card,
.transaction-card,
.item-card,
.user-card,
.auth-card,
.finance-metric-card,
.notification-item {
  background: rgba(26, 31, 43, 0.82);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
}

.panel {
  padding: 16px;
  margin-bottom: 20px;
}

h1,
h2,
h3 {
  color: var(--text);
}

h2.section-title {
  margin: 22px 0 12px;
  font-size: 18px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #111723;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--muted);
}

@media (max-width: 700px) {
  .topbar {
    flex-wrap: wrap;
  }

  .topbar h1 {
    font-size: 18px;
  }

  .topbar-actions {
    width: 100%;
  }

  .container {
    padding: 14px 12px 32px;
  }
}