:root {
  --color-primary: #6965db;
  --color-primary-hover: #5753d0;
  --color-primary-light: #e3e2fe;

  --color-gray-05: #fafafa;
  --color-gray-10: #f5f5f5;
  --color-gray-20: #ebebeb;
  --color-gray-30: #d6d6d6;
  --color-gray-40: #b8b8b8;
  --color-gray-50: #999999;
  --color-gray-70: #5c5c5c;
  --color-gray-80: #3d3d3d;

  --color-surface: #ffffff;
  --color-canvas: #f5f5f5;

  --color-text-primary: #1b1b1f;
  --color-text-secondary: #5c5c5c;
  --color-text-muted: #7a7a7a;

  --color-danger: #db6965;
  --color-danger-hover: #c75a56;
  --color-danger-light: #fee2e2;
  --color-danger-text: #b91c1c;
  --color-warning: #f5c354;
  --color-warning-bg: #fceeca;
  --color-warning-text: #9a6700;
  --color-success: #65bb6a;
  --color-success-hover: #5aa85e;
  --color-success-bg: #cafccc;
  --color-success-text: #166534;
  --color-info-bg: #dbeafe;
  --color-info-text: #1d4ed8;

  --color-border: var(--color-gray-20);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;

  --radius-sm: 6px;
  --radius-md: 10px;

  --border-hand-drawn: 2px solid var(--color-gray-80);
  --shadow-hand-drawn-sm: 1px 1px 0 0 var(--color-gray-80);
  --shadow-hand-drawn: 2px 2px 0 0 var(--color-gray-80);
  --shadow-hand-drawn-lg: 3px 3px 0 0 var(--color-gray-80);
  --radius-hand-drawn-sm: 2px 6px 4px 5px;
  --radius-hand-drawn: 4px 8px 6px 7px;

  --shadow-button: 0 1px 2px rgba(0, 0, 0, 0.1);

  --font-family: "Assistant", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-canvas);
  color: var(--color-text-primary);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: var(--color-primary);
}

h1 {
  font-size: 24px;
  margin: 0 0 var(--space-lg);
}

h2 {
  font-size: 18px;
  margin: 0 0 var(--space-md);
}

.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: var(--space-xl);
}

.container--wide {
  max-width: 1800px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-surface);
  border-bottom: var(--border-hand-drawn);
}

.topbar__brand {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.topbar__logo {
  color: var(--color-primary);
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex: 1;
}

.topbar__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
}

.topbar__link:hover {
  color: var(--color-text-primary);
}

.topbar__user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-secondary);
}

.topbar__settings {
  display: inline-flex;
  color: var(--color-text-secondary);
}

.topbar__settings:hover {
  color: var(--color-text-primary);
  transform: rotate(15deg);
}

.flash {
  margin: var(--space-lg) auto 0;
  max-width: 1312px;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-hand-drawn-sm);
  border: 2px solid;
  font-weight: 600;
}

.flash--notice {
  background: var(--color-success-bg);
  border-color: var(--color-success);
  color: var(--color-success-text);
}

.flash--alert {
  background: var(--color-danger-light);
  border-color: var(--color-danger);
  color: var(--color-danger-text);
}

.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 360px;
  padding: var(--space-xxl);
  text-align: center;
}

.auth-card__title {
  margin: 0;
}

.auth-card__subtitle {
  margin: var(--space-xs) 0 var(--space-xl);
  color: var(--color-text-muted);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  color: var(--color-text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--color-border);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.page-header h1 {
  margin: 0;
}

.page-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.page-header__actions form {
  margin: 0;
}

.empty-state {
  padding: var(--space-xxl);
  text-align: center;
  color: var(--color-text-muted);
}