/*
 * Every server-rendered page: donation, leaderboard, thanks, errors, test
 * alerts and admin. The OBS overlay has its own overlay.css.
 *
 * Values come from tokens.css. Two rules keep the page smooth and secure:
 *   - Only `transform` and `opacity` animate, so motion stays on the compositor.
 *   - No inline style attributes: the content security policy forbids them.
 */
@import url('tokens.css');
@import url('effects.css');

/* ── Reset and page defaults ───────────────────────────────────────────── */

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

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--color-void);
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

/* One focus style for every interactive element. */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-glow-soft);
  color: var(--color-text);
}

code {
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

/* ── Page column ───────────────────────────────────────────────────────── */

.page {
  width: 100%;
  max-width: calc(var(--content-width) + 2 * var(--page-gutter));
  margin: 0 auto;
  padding: var(--space-7) var(--page-gutter) var(--space-8);
  display: grid;
  gap: var(--space-6);
}

.page--wide {
  max-width: calc(var(--content-width-wide) + 2 * var(--page-gutter));
}

/* ── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  text-align: center;
}

.hero__tagline {
  max-width: 36rem;
  color: var(--color-text-muted);
}

/* ── Panels: the content surface, with neon corner brackets ─────────────── */

.panel {
  position: relative;
  display: grid;
  gap: var(--space-4);
  align-content: start;
  min-width: 0;
  padding: var(--space-5);
  box-shadow: inset 0 0 0 1px var(--color-border);
  border-radius: var(--radius-md);
  /* Four tiny gradients draw the brackets, so they cost no markup. */
  background:
    linear-gradient(var(--color-accent), var(--color-accent)) top left / var(--bracket) 2px,
    linear-gradient(var(--color-accent), var(--color-accent)) top left / 2px var(--bracket),
    linear-gradient(var(--color-accent), var(--color-accent)) bottom right / var(--bracket) 2px,
    linear-gradient(var(--color-accent), var(--color-accent)) bottom right / 2px var(--bracket),
    linear-gradient(135deg, var(--color-surface-raised), var(--color-surface));
  background-repeat: no-repeat;
}

.panel__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.panel__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  line-height: 1.2;
  text-shadow: 0 0 18px var(--color-glow-faint);
}

.panel__footer {
  margin-top: var(--space-2);
}

.donate-layout {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

/* Two columns once there is room: the form, and the leaderboard beside it. */
@media (min-width: 60rem) {
  .donate-layout:has(> :nth-child(2)) {
    grid-template-columns: minmax(0, 26rem) minmax(0, 1fr);
  }
}

.donate-layout:not(:has(> :nth-child(2))) {
  max-width: var(--content-width);
  width: 100%;
  margin: 0 auto;
}

/* ── Text bits ─────────────────────────────────────────────────────────── */

.muted {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footnote {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.amount {
  color: var(--color-accent);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-soft);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--motion-fast) var(--ease-out);
}

.link:hover {
  text-decoration-color: var(--color-accent);
}

.notice {
  padding: var(--space-3) var(--space-4);
  border-left: 2px solid var(--color-accent);
  background: var(--color-accent-faint);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

.empty-state {
  padding: var(--space-5) var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
  font-size: var(--text-sm);
}

/* ── Forms ─────────────────────────────────────────────────────────────── */

.form {
  display: grid;
  gap: var(--space-5);
}

.field {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.field__label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.field__optional {
  margin-left: var(--space-1);
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-text-muted);
}

.field__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.field__error {
  font-size: var(--text-xs);
  color: var(--color-danger);
}

.field__error::before {
  content: '! ';
}

.input,
.amount-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-void);
  color: var(--color-text);
  transition: border-color var(--motion-fast) var(--ease-out);
}

.input {
  padding: var(--space-3);
  font: inherit;
}

.input--multiline {
  min-height: 6.5rem;
  resize: vertical;
}

.input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.input:hover,
.amount-input:hover {
  border-color: var(--color-accent-soft);
}

.input:focus-visible {
  border-color: var(--color-accent);
  outline-offset: 2px;
}

.amount-input {
  display: flex;
  align-items: center;
}

.amount-input:focus-within {
  border-color: var(--color-accent);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.amount-input__currency {
  padding-left: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.amount-input__field {
  flex: 1;
  min-width: 0;
  padding: var(--space-3);
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-variant-numeric: tabular-nums;
}

.amount-input__field:focus-visible {
  outline: none;
}

[aria-invalid='true'],
.amount-input:has([aria-invalid='true']) {
  border-color: var(--color-danger);
  background: var(--color-danger-faint);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 0 22px var(--color-accent-soft);
  transition:
    transform var(--motion-fast) var(--ease-out),
    opacity var(--motion-fast) var(--ease-out);
}

.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
  opacity: 0.85;
}

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

.button--small {
  min-height: 2rem;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

/* ── Tabs (leaderboard views, admin filters) ───────────────────────────── */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.tabs__tab {
  margin-bottom: -1px;
  padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  text-transform: uppercase;
}

a.tabs__tab:hover {
  color: var(--color-accent);
}

.tabs__tab--current {
  border-bottom-color: var(--color-accent);
  color: var(--color-text);
}

/* ── Admin ─────────────────────────────────────────────────────────────── */

.admin-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.admin-links {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: var(--space-2) var(--space-4);
  padding: var(--space-4);
  background: var(--color-void);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

.admin-links dt {
  color: var(--color-text-muted);
}

@media (max-width: 36rem) {
  .admin-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-links dd + dt {
    margin-top: var(--space-2);
  }
}

.admin-platform {
  display: grid;
  gap: var(--space-2);
  margin-block: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

.admin-platform > * {
  margin: 0;
}

.donation-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.donation-item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-void);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent-soft);
  border-radius: var(--radius-sm);
}

.donation-item__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}

.donation-item__name,
.donation-item__message {
  overflow-wrap: anywhere;
}

.donation-item__meta {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.donation-item__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ── Reduced motion: stillness, site-wide ──────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ── Amount chips ──────────────────────────────────────────────────────────
 * Radio buttons styled as chips: native keyboard and screen-reader behaviour,
 * no JavaScript. The input stays focusable but invisible; the face shows state.
 */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.amount-picker {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.amount-picker > .field__label {
  margin-bottom: var(--space-2);
  padding: 0;
}

.chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(5.25rem, 1fr));
  gap: var(--space-2);
}

.chip {
  position: relative;
  display: block;
  cursor: pointer;
}

.chip__input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.chip__face {
  display: grid;
  place-items: center;
  min-height: 2.75rem;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-void);
  font-variant-numeric: tabular-nums;
  text-align: center;
  transition:
    transform var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out);
}

.chip:hover .chip__face {
  border-color: var(--color-accent-soft);
  transform: translateY(-2px);
}

.chip__input:checked + .chip__face {
  border-color: var(--color-accent);
  background: var(--color-accent-faint);
  color: var(--color-accent);
  box-shadow:
    inset 0 0 18px var(--color-accent-faint),
    0 0 14px var(--color-accent-faint);
}

.chip__input:focus-visible + .chip__face {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.amount-custom {
  margin-top: var(--space-2);
}

/* Reveal the free amount field only while Custom is chosen. Browsers without
   :has() skip this block and simply always show the field. */
@supports selector(:has(*)) {
  .amount-picker:not(:has(.chip__input[value='custom']:checked)) .amount-custom {
    display: none;
  }
}

.amount-picker > .field__hint,
.amount-picker > .field__error {
  margin-top: var(--space-2);
}

/* ── Checkbox ──────────────────────────────────────────────────────────────
 * A native checkbox kept focusable but invisible; the box shows its state.
 */

.checkbox {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  cursor: pointer;
}

.checkbox__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.checkbox__box {
  display: grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-void);
  transition: border-color var(--motion-fast) var(--ease-out);
}

/* The tick: a rotated L drawn with two borders, shown by opacity only. */
.checkbox__box::after {
  content: '';
  width: 0.35rem;
  height: 0.65rem;
  margin-top: -0.15rem;
  border: solid var(--color-on-accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  opacity: 0;
  transition: opacity var(--motion-fast) var(--ease-out);
}

.checkbox:hover .checkbox__box {
  border-color: var(--color-accent-soft);
}

.checkbox__input:checked + .checkbox__box {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-soft);
}

.checkbox__input:checked + .checkbox__box::after {
  opacity: 1;
}

.checkbox__input:focus-visible + .checkbox__box {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.checkbox__label {
  display: grid;
  gap: 2px;
  font-size: var(--text-sm);
}

.checkbox__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── Leaderboard ───────────────────────────────────────────────────────────
 * Two radio buttons choose the view; the tabs are their labels. Pure CSS, so
 * switching views never reloads the page or clears the donation form.
 */

.board {
  display: grid;
  gap: var(--space-3);
}

.board__view--recent,
#board-recent:checked ~ .board__view--top {
  display: none;
}

#board-recent:checked ~ .board__view--recent {
  display: block;
}

/* Current tab: the label of whichever radio is checked. */
#board-top:checked ~ .tabs [for='board-top'],
#board-recent:checked ~ .tabs [for='board-recent'] {
  border-bottom-color: var(--color-accent);
  color: var(--color-text);
}

.board .tabs__tab {
  cursor: pointer;
}

.board .tabs__tab:hover {
  color: var(--color-accent);
}

#board-top:focus-visible ~ .tabs [for='board-top'],
#board-recent:focus-visible ~ .tabs [for='board-recent'] {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Long boards scroll inside the panel instead of stretching the page. */
.board__view {
  max-height: 34rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--color-accent-soft) transparent;
  scrollbar-width: thin;
}

.board-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.board-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: var(--space-2) var(--space-2);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-align: left;
  text-transform: uppercase;
}

.board-table td {
  padding: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.board-table__rank {
  width: 2.5rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.board-table__name {
  overflow-wrap: anywhere;
}

.board-table__number {
  text-align: right;
  white-space: nowrap;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

th.board-table__number {
  text-align: right;
}

.board-table__date {
  text-align: right;
  white-space: nowrap;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

th.board-table__date {
  text-align: right;
}

.board-table__row--top-1 .board-table__rank,
.board-table__row--top-1 .board-table__name {
  color: var(--color-rank-1);
  text-shadow: 0 0 10px color-mix(in srgb, var(--color-rank-1) 40%, transparent);
}

.board-table__row--top-2 .board-table__rank,
.board-table__row--top-2 .board-table__name {
  color: var(--color-rank-2);
}

.board-table__row--top-3 .board-table__rank,
.board-table__row--top-3 .board-table__name {
  color: var(--color-rank-3);
}

/* On phones the date column goes; name and amount carry the meaning. */
@media (max-width: 30rem) {
  .board-table__date {
    display: none;
  }
}

/* ── Socials strip ─────────────────────────────────────────────────────────
 * Quiet on purpose: muted icons that only light up on hover or focus, so the
 * page's attention stays on the donation form and leaderboard.
 */

.socials {
  display: flex;
  justify-content: center;
}

.socials__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.socials__link {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  opacity: 0.7;
  transition:
    opacity var(--motion-base) var(--ease-out),
    transform var(--motion-fast) var(--ease-out);
}

.socials__link:hover,
.socials__link:focus-visible {
  color: var(--color-accent);
  opacity: 1;
  transform: translateY(-2px);
}

.socials__icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

/* ── Test page: platform events ──────────────────────────────────────────── */

.test-events__title {
  margin-top: var(--space-5);
}

.test-events {
  display: grid;
  gap: var(--space-4);
}

.test-events__platform {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin: 0;
  padding: 0;
  border: 0;
}

.test-events__platform > .field__label {
  width: 100%;
  padding: 0;
}

.test-events__option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.test-events__option input {
  accent-color: var(--color-accent);
}

.test-events__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}