:root { --ink: #06102A; --ink-2: #0F1D45; --blue: #0B5DE5; --blue-soft: #E3ECFD; --ground: #EEF2F8; --line: #D3DAE8; --muted: #46536E; --danger-soft: #FBE4E1; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased; }
.wrap { min-height: 100vh; }
.brand { background: var(--ink); color: #fff; padding: 28px 22px; text-align: center; }
.brand img { width: 84px; height: 84px; border-radius: 20px; }
.brand h2 { font-size: 22px; margin: 14px 0 6px; }
.brand p { margin: 0; color: #C3CCE0; font-size: 15px; line-height: 1.45; }
.panel { max-width: 460px; margin: 0 auto; padding: 24px 22px 40px; }
h1 { font-size: 28px; margin: 6px 0 6px; letter-spacing: -0.02em; }
.lead { color: var(--muted); margin: 0 0 18px; }
.amounts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.amount, #custom { min-height: 52px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--ink); font: inherit; font-size: 17px; font-weight: 800; }
.amount { cursor: pointer; }
.amount.on { background: var(--blue); border-color: var(--blue); color: #fff; }
#custom { text-align: center; padding: 8px; width: 100%; }
#custom:focus { outline: 3px solid rgba(11, 93, 229, 0.2); border-color: var(--blue); }
.total { font-weight: 700; margin: 14px 0; }
#paypal-buttons { min-height: 150px; margin-top: 6px; }
.msg { padding: 12px 14px; border-radius: 14px; font-size: 14px; font-weight: 600; margin: 0 0 14px; background: var(--danger-soft); color: #7A1A14; }
.msg.info { background: var(--blue-soft); color: var(--ink); }
.small { font-size: 13px; color: var(--muted); text-align: center; }
.ok-icon { width: 72px; height: 72px; border-radius: 36px; background: var(--blue-soft); color: var(--blue); font-size: 34px; display: flex; align-items: center; justify-content: center; margin: 20px auto 0; }
#merci { text-align: center; }
.back { display: inline-block; margin-top: 24px; color: var(--blue); font-weight: 700; text-decoration: none; }
[hidden] { display: none !important; }
@media (min-width: 900px) {
  .wrap { display: grid; grid-template-columns: 42% 1fr; }
  .brand { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; text-align: left; padding: 56px; min-height: 100vh; }
  .brand img { width: 120px; height: 120px; border-radius: 28px; }
  .brand h2 { font-size: 34px; }
  .panel { align-self: center; padding: 48px; }
}

/* Apple Pay et Google Pay */
#applepay-container:empty, #googlepay-container:empty { display: none; }
#applepay-container, #googlepay-container { margin-bottom: 10px; }
apple-pay-button { display: block; --apple-pay-button-width: 100%; --apple-pay-button-height: 48px; --apple-pay-button-border-radius: 24px; --apple-pay-button-padding: 0; }
#googlepay-container { height: 48px; }
#googlepay-container button { border-radius: 24px !important; }