/* Element defaults, layout shell, typography, forms, buttons, tables. Requires tokens.css. */

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-background);
  color: var(--color-on-surface);
  font: var(--font-body-md);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[hidden] {
  display: none !important;
}

img,
svg,
video,
canvas,
iframe {
  display: block;
  max-width: 100%;
}

.lucide {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
  stroke-width: 2;
}

img,
video {
  height: auto;
}

/* Layout shell */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--margin-mobile);
}

main.container {
  flex: 1 0 auto;
  padding-block: var(--space-xl);
}

main.container > :first-child {
  margin-top: 0;
}

main.container > :last-child {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--gutter);
  }
}

/* Site header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-surface-translucent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-outline-variant);
}

.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header__start {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-lg);
  min-width: 0;
}

.site-header__brand {
  display: inline-flex;
  flex-shrink: 0;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.site-header__logo {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  object-fit: contain;
}

.site-header__wordmark {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  white-space: nowrap;
}

.site-header__brand:hover {
  text-decoration: none;
}

.site-header__brand:hover .site-header__wordmark {
  color: var(--color-primary-container);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-lg);
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font: var(--font-label-text);
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-nav__link:hover {
  color: var(--color-on-surface);
  text-decoration: none;
}

.site-nav__link[aria-current="page"] {
  font: var(--font-body-md);
  color: var(--color-primary);
}

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

.site-header__logout-form {
  margin: 0;
}

.site-header__logout {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  height: auto;
  padding: 0;
  border: 0;
  background: none;
  box-shadow: none;
  font: var(--font-label-text);
  color: var(--color-on-surface-variant);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.site-header__logout:hover {
  color: var(--color-error);
  background: none;
}

.site-header__avatar {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font: var(--font-label-text);
  text-transform: uppercase;
}

/* Site footer (optional) */
.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container-lowest);
  padding-block: var(--space-xl);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font: var(--font-caption);
  color: var(--color-secondary);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-sm);
  color: var(--color-on-surface);
}

h1 {
  font: var(--font-headline-xl-mobile);
  letter-spacing: var(--tracking-headline-xl-mobile);
}

h2 {
  font: var(--font-headline-lg-mobile);
  letter-spacing: var(--tracking-headline-lg-mobile);
}

h3 {
  font: var(--font-headline-md);
  letter-spacing: var(--tracking-headline-md);
}

h4,
h5,
h6 {
  font: var(--font-headline-sm);
}

@media (min-width: 768px) {
  h1 {
    font: var(--font-headline-xl);
    letter-spacing: var(--tracking-headline-xl);
  }

  h2 {
    font: var(--font-headline-lg);
    letter-spacing: var(--tracking-headline-lg);
  }
}

p,
ul,
ol,
dl,
blockquote,
figure,
pre,
table {
  margin: 0 0 var(--space-md);
}

ul,
ol {
  padding-left: var(--space-lg);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-surface-tint);
  text-decoration: underline;
}

strong,
b {
  font-weight: 600;
}

small {
  font: var(--font-caption);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-surface-container-high);
  margin: var(--space-xl) 0;
}

code,
kbd,
samp {
  font: var(--font-code-inline);
  background: var(--color-surface-container-high);
  color: var(--color-on-surface);
  border-radius: var(--radius-sm);
  padding: 0.0625rem var(--space-xs);
}

pre {
  font: var(--font-code-block);
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-surface-container-high);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
}

pre code {
  font: inherit;
  background: none;
  padding: 0;
}

/* Forms */
form {
  margin: 0 0 var(--space-md);
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

legend {
  padding: 0;
}

label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  font: var(--font-label-text);
  color: var(--color-on-surface);
}

input:not([type="checkbox"], [type="radio"], [type="hidden"], [type="submit"], [type="button"]),
select,
textarea {
  width: 100%;
  max-width: var(--control-max-width);
  height: var(--control-height);
  padding: 0 var(--gutter-sm);
  font: var(--font-body-sm);
  color: var(--color-on-surface);
  background: var(--color-surface-container-low);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  outline: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-secondary);
  opacity: 1;
}

input:not([type="checkbox"], [type="radio"]):focus,
select:focus,
textarea:focus {
  background: var(--color-surface-container-lowest);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

select {
  width: auto;
  min-width: 9rem;
  padding-right: 2rem;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-secondary) 50%),
    linear-gradient(135deg, var(--color-secondary) 50%, transparent 50%);
  background-position: calc(100% - 1rem) 50%, calc(100% - 0.6875rem) 50%;
  background-size: 0.3125rem 0.3125rem;
  background-repeat: no-repeat;
  cursor: pointer;
}

textarea {
  height: auto;
  min-height: 8rem;
  padding: var(--space-sm) var(--gutter-sm);
  resize: vertical;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--color-primary);
}

label:has(> input[type="checkbox"]),
label:has(> input[type="radio"]) {
  flex-direction: row;
  align-items: center;
  gap: var(--space-sm);
  font: var(--font-caption);
  color: var(--color-on-surface-variant);
  cursor: pointer;
}

/* Buttons */
button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  height: var(--control-height);
  max-width: var(--control-max-width);
  padding: 0 var(--space-md);
  font: var(--font-label-text);
  color: var(--color-on-primary);
  background: var(--color-primary);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

button:hover,
.button:hover {
  background: var(--color-primary-container);
  color: var(--color-on-primary);
  text-decoration: none;
}

button:active,
.button:active {
  transform: scale(0.99);
}

button:focus-visible,
.button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.button--secondary {
  color: var(--color-on-surface);
  background: var(--color-surface-container-high);
  box-shadow: none;
}

.button--secondary:hover {
  color: var(--color-on-surface);
  background: var(--color-surface-container-highest);
}

.button--ghost {
  color: var(--color-secondary);
  background: transparent;
  box-shadow: none;
}

.button--ghost:hover {
  color: var(--color-on-surface);
  background: var(--color-surface-container);
}

.button--small {
  height: auto;
  padding: var(--space-xs) var(--space-md);
}

.button--block {
  width: 100%;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font: var(--font-body-sm);
}

th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font: var(--font-code-block);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-secondary);
  background: var(--color-surface-container-low);
  white-space: nowrap;
}

td {
  padding: var(--gutter-sm) var(--space-md);
  border-top: 1px solid var(--color-surface-container-high);
  vertical-align: middle;
}

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

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

.text-mono {
  font-family: var(--font-mono);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}