:root {
  --ink: #17211c;
  --ink-soft: #4d5a53;
  --ink-muted: #7b8780;
  --paper: #f4f1ea;
  --surface: #fbf9f4;
  --surface-strong: #ffffff;
  --line: #d9d3c7;
  --line-strong: #c3bcac;
  --sage: #5f7566;
  --sage-strong: #3f5749;
  --sage-soft: #e2e8e0;
  --brass: #a98752;
  --danger: #8f3b33;
  --danger-soft: #f3e2df;
  --shadow-sm: 0 1px 2px rgba(23, 33, 28, 0.08);
  --shadow-md: 0 14px 30px -18px rgba(23, 33, 28, 0.45);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --font-body: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-mono: "Cascadia Mono", "Consolas", "SFMono-Regular", monospace;
  --measure: 70ch;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(23, 33, 28, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 33, 28, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
}

h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
}

a {
  color: var(--sage-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

img {
  max-width: 100%;
  display: block;
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--sage-soft);
  padding: 0.1em 0.35em;
  border-radius: var(--radius-sm);
}

.container {
  width: min(1180px, 100% - 2 * var(--space-5));
  margin-inline: auto;
}

.button {
  --button-bg: var(--sage-strong);
  --button-fg: #f7f5ef;
  --button-border: var(--sage-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border: 1px solid var(--button-border);
  border-radius: var(--radius-sm);
  background: var(--button-bg);
  color: var(--button-fg);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.button:active {
  transform: translateY(0);
}

.button--ghost {
  --button-bg: transparent;
  --button-fg: var(--ink);
  --button-border: var(--line-strong);
}

.button--ghost:hover {
  --button-bg: var(--surface-strong);
}

.button--danger {
  --button-bg: var(--danger);
  --button-border: var(--danger);
  --button-fg: #fbf3f1;
}

.button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.field label {
  font-weight: 600;
  font-size: 0.95rem;
}

.field input,
.field select {
  min-height: 44px;
  padding: 0 var(--space-3);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--ink);
  font: inherit;
}

.field input:focus,
.field select:focus {
  border-color: var(--sage);
}

.hint {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.error-text {
  color: var(--danger);
  font-weight: 600;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0 var(--space-2);
  min-height: 24px;
  border-radius: 999px;
  background: var(--sage-soft);
  color: var(--sage-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

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

[hidden] {
  display: none !important;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

button,
a,
input,
select,
textarea,
summary {
  touch-action: manipulation;
}

.button,
.field input,
.field select {
  max-width: 100%;
  min-width: 0;
}

.button {
  white-space: normal;
  text-align: center;
}

.field input,
.field select {
  width: 100%;
}