:root {
  color-scheme: light;
  --brand-coral: #E4553F;
  --brand-gold: #F2B84B;
  --brand-blue: #496FD8;
  --brand-purple: #8B5FD3;
  --brand-leaf: #1F7A6D;
  --canvas: #F5F5F0;
  --canvas-raised: #FFFFFF;
  --canvas-soft: #ECECE5;
  --canvas-inverse: #16221F;
  --text-primary: #16221F;
  --text-secondary: #66716D;
  --text-tertiary: #5F6C66;
  --text-accent: #155B51;
  --text-on-dark: #F5F5F0;
  --line: rgba(22, 34, 31, 0.14);
  --line-strong: rgba(22, 34, 31, 0.26);
  --shadow-soft: 0 18px 42px rgba(22, 34, 31, 0.08);
  --shadow-raised: 0 24px 72px rgba(22, 34, 31, 0.12);
  --focus: #496FD8;
  --success: #155B51;
  --warning: #8B5F1E;
  --error: #B3261E;
  --disabled: #A9AFAB;
  --font-display: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 56px;
  --space-10: 72px;
  --space-11: 96px;
  --radius-control: 12px;
  --radius-surface: 20px;
  --radius-feature: 32px;
  --motion-fast: 140ms;
  --motion-base: 220ms;
  --motion-slow: 480ms;
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #121815;
  --canvas-raised: #1B231F;
  --canvas-soft: #252E29;
  --canvas-inverse: #F5F5F0;
  --text-primary: #F5F5F0;
  --text-secondary: #B2BCB6;
  --text-tertiary: #A2ADA7;
  --text-accent: #9AD8C7;
  --text-on-dark: #16221F;
  --line: rgba(245, 245, 240, 0.16);
  --line-strong: rgba(245, 245, 240, 0.28);
  --shadow-soft: 0 18px 42px rgba(0, 0, 0, 0.2);
  --shadow-raised: 0 24px 72px rgba(0, 0, 0, 0.32);
  --focus: #8EA9FF;
  --success: #9AD8C7;
  --warning: #F2B84B;
  --error: #FF8B7C;
  --disabled: #64706A;
}

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

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  transition: background-color var(--motion-base) var(--ease-standard), color var(--motion-base) var(--ease-standard);
}

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

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

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

button,
.brand-button {
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: transparent;
  cursor: pointer;
  padding: 10px 16px;
  transition: background-color var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}

button:hover:not(:disabled),
.brand-button:hover {
  border-color: var(--text-primary);
  background: var(--canvas-soft);
}

button:active:not(:disabled),
.brand-button:active {
  transform: translateY(1px);
}

button:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
  color: var(--disabled);
  opacity: 0.7;
}

.brand-button--primary {
  border-color: var(--brand-leaf);
  background: var(--brand-leaf);
  color: #FFFFFF;
  font-weight: 760;
}

.brand-button--primary:hover:not(:disabled) {
  border-color: var(--brand-leaf);
  background: color-mix(in srgb, var(--brand-leaf) 86%, var(--canvas-inverse));
}

.brand-button--quiet {
  border-color: transparent;
  color: var(--text-secondary);
}

.brand-button--quiet:hover:not(:disabled) {
  border-color: var(--line);
  color: var(--text-primary);
}

.brand-surface {
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--canvas-raised);
  box-shadow: var(--shadow-soft);
}

.brand-status {
  min-height: 24px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.brand-status[data-state="success"],
.is-success {
  color: var(--success);
}

.brand-status[data-state="error"],
.is-error {
  color: var(--error);
}

.brand-status[data-state="loading"],
.is-loading {
  color: var(--text-secondary);
}

.brand-empty {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-surface);
  background: var(--canvas-soft);
  color: var(--text-secondary);
  padding: var(--space-7);
  text-align: center;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 34px;
}

.brand-shape {
  pointer-events: none;
  position: absolute;
  display: block;
  overflow: visible;
}

.brand-shape use {
  vector-effect: non-scaling-stroke;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(1px, 1px, 1px, 1px) !important;
  white-space: nowrap !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}