/* Donation pages. Light iris by default, the colours of an app when coming from it (?app=…). */

.page-support {
  background: var(--bg);
}

[data-app] .page-support .grain,
[data-app] .page-thanks .grain {
  opacity: 0.06;
  mix-blend-mode: overlay;
}

.support {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header-h) + clamp(36px, 7vh, 80px)) 0 clamp(60px, 10vh, 120px);
  overflow: hidden;
  isolation: isolate;
}

.support-aura {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(34% 40% at 24% 30%, rgba(255, 122, 182, 0.2), transparent 70%),
    radial-gradient(30% 36% at 70% 70%, rgba(102, 212, 255, 0.16), transparent 70%),
    radial-gradient(30% 30% at 55% 20%, rgba(169, 139, 255, 0.18), transparent 70%);
}

[data-app] .support-aura {
  background:
    radial-gradient(36% 44% at 24% 32%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(30% 36% at 72% 72%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 70%);
}

.support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

.support-intro {
  display: grid;
  justify-items: start;
  gap: 20px;
  padding-top: clamp(8px, 3vw, 40px);
}

.support-title {
  font-size: clamp(40px, 5.4vw, 76px);
  max-width: 14ch;
}

.accent-text {
  background: var(--donate);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  padding-right: 0.05em;
}

.support-lead {
  max-width: 50ch;
  font-size: clamp(17px, 1.5vw, 19px);
  color: var(--mute);
}

.uses {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  max-width: 560px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.use {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.85), var(--shadow);
}

.use-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 10px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(140deg, #ff7ab6, #a98bff);
}

.use:nth-child(2) .use-icon { background: linear-gradient(140deg, #a98bff, #66d4ff); }
.use:nth-child(3) .use-icon { background: linear-gradient(140deg, #66d4ff, #8fe3c8); }
.use:nth-child(4) .use-icon { background: linear-gradient(140deg, #ffb86b, #ff7ab6); }

.use-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.use b {
  font-size: 16px;
}

.use span:last-child {
  font-size: 14px;
  color: var(--mute);
  line-height: 1.4;
}

/* ------------------------------------------------------------------ donation card */

.donate-card {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding: clamp(24px, 3vw, 36px);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--rule);
}

.donate-form {
  display: grid;
  gap: 18px;
}

.donate-form h2 {
  font-size: 30px;
  letter-spacing: -0.03em;
}

.amounts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

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

.amount input[type='radio'] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.amount > span:not(.sr-only):not(.custom-field) {
  display: grid;
  place-items: center;
  height: 64px;
  border-radius: 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 23px;
  letter-spacing: -0.02em;
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1.5px var(--rule);
  transition: transform 0.35s var(--ease-out), box-shadow 0.25s, background 0.25s, color 0.25s;
}

.amount:hover > span:not(.sr-only):not(.custom-field) {
  transform: translateY(-2px);
}

.amount input:checked + span:not(.sr-only) {
  background: var(--donate);
  color: #fff;
  box-shadow: 0 12px 26px -12px color-mix(in srgb, var(--accent) 85%, transparent);
}

.amount input:focus-visible + span,
.custom-field:focus-within {
  outline: 3px solid color-mix(in srgb, var(--accent) 70%, white);
  outline-offset: 3px;
}

.amount-custom {
  grid-column: 1 / -1;
}

.custom-field {
  display: flex;
  align-items: center;
  height: 58px;
  padding: 0 20px;
  border-radius: 18px;
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1.5px var(--rule);
  transition: box-shadow 0.25s;
}

.amount-custom input[type='radio']:checked ~ .custom-field {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.custom-field input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  outline: none;
  font-weight: 650;
  font-size: 18px;
}

.custom-field input::placeholder {
  color: var(--faint);
  font-weight: 550;
}

.custom-field b {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--mute);
}

.amount-hint {
  margin-top: -8px;
  font-size: 13.5px;
  color: var(--faint);
}

.amount-hint.is-error {
  color: #e5304f;
  font-weight: 650;
}

.pay-area {
  display: grid;
  gap: 12px;
}

.pay-element:empty {
  display: none;
}

.pay-off {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border-radius: 18px;
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--rule);
  font-size: 15px;
}

.pay-off span {
  color: var(--mute);
}

.donate-submit {
  width: 100%;
  --btn-h: 62px;
  font-size: 18px;
}

.donate-submit[aria-busy='true'] {
  pointer-events: none;
}

.donate-submit[aria-busy='true'] .heart {
  animation: beat 0.8s ease-in-out infinite;
}

.donate-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.donate-msg {
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(229, 48, 79, 0.1);
  color: #d42a48;
  font-weight: 600;
  font-size: 15px;
}

[data-app] .donate-msg {
  color: #ff8a9e;
}

.secure {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  color: var(--faint);
}

.secure svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 1px;
}

.back-link {
  margin-left: auto;
}

[data-app] .back-link {
  color: #fff;
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.2);
  background: rgba(14, 15, 24, 0.42);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.back-link:not([hidden]) + * {
  margin-left: 0;
}

/* ------------------------------------------------------------------ thank you page */

.thanks {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: calc(var(--header-h) + 40px) 0 80px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.confetti {
  position: fixed;
  inset: 0;
  z-index: 60;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.thanks-card {
  display: grid;
  justify-items: center;
  gap: 20px;
  max-width: 720px;
  margin-inline: auto;
}

.thanks-badge {
  width: 120px;
  height: 120px;
  border-radius: 34px;
  display: grid;
  place-items: center;
  background: var(--donate);
  box-shadow: 0 30px 60px -24px color-mix(in srgb, var(--accent) 80%, transparent);
  color: #fff;
  animation: pop-in 0.9s var(--ease-out) both;
}

.thanks-badge svg {
  width: 52px;
  height: 52px;
}

@keyframes pop-in {
  from {
    transform: scale(0.4);
    opacity: 0;
  }
}

.thanks h1 {
  font-size: clamp(46px, 7vw, 96px);
}

.thanks p {
  max-width: 54ch;
  font-size: 19px;
  color: var(--mute);
}

.thanks-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
}

[data-app] .thanks .btn-line {
  color: var(--text);
  box-shadow: inset 0 0 0 1.5px rgba(223, 230, 255, 0.2);
}

/* ------------------------------------------------------------------ responsive */

@media (max-width: 900px) {
  .support-grid {
    grid-template-columns: 1fr;
  }
  .donate-card {
    position: static;
  }
}

@media (max-width: 760px) {
  .page-support .header-nav {
    display: none;
  }
}

@media (max-width: 520px) {
  .uses {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .amounts {
    grid-template-columns: repeat(2, 1fr);
  }
}