:root {
  --ink: #061215;
  --panel: #0c1d21;
  --panel-soft: #10282d;
  --line: rgba(181, 245, 224, 0.14);
  --text: #f2f8f6;
  --muted: #9bb0ae;
  --mint: #6af7cf;
  --mint-dark: #16ba8b;
  --coral: #ff765e;
  --yellow: #f7d86a;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); font-family: "Noto Sans Thai", sans-serif; }
button, input, textarea { font: inherit; }
a { color: inherit; }

.donation-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 8%, rgba(106, 247, 207, 0.17), transparent 30%),
    radial-gradient(circle at 8% 45%, rgba(255, 118, 94, 0.12), transparent 24%),
    linear-gradient(145deg, #061215 0%, #08191c 52%, #061113 100%);
  overflow-x: hidden;
}

.noise { position: fixed; inset: 0; pointer-events: none; opacity: .055; z-index: 10; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E"); }

.site-header, .donation-shell, .how-it-works, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; padding: 26px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-family: "Chakra Petch", sans-serif; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(106,247,207,.5); color: var(--ink); background: var(--mint); font-size: 24px; font-weight: 800; clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%); }
.brand b, .brand small { display: block; line-height: 1; letter-spacing: .09em; }
.brand b { font-size: 18px; }.brand small { margin-top: 5px; color: var(--muted); font-size: 9px; }
.live-pill { color: var(--muted); font: 600 11px/1 "Chakra Petch", sans-serif; letter-spacing: .16em; }
.live-pill span { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 16px var(--coral); }

.donation-shell { display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(40px, 7vw, 100px); align-items: center; min-height: 680px; padding: 34px 0 80px; }
.intro-panel { position: relative; }
.intro-panel::before { content: "M"; position: absolute; z-index: -1; left: -38px; top: -120px; color: transparent; -webkit-text-stroke: 1px rgba(106,247,207,.12); font: 800 430px/1 "Chakra Petch", sans-serif; }
.eyebrow, .section-kicker { margin-bottom: 18px; color: var(--mint); font: 600 12px/1 "Chakra Petch", sans-serif; letter-spacing: .22em; text-transform: uppercase; }
h1, h2, h3 { font-family: "Chakra Petch", "Noto Sans Thai", sans-serif; }
.intro-panel h1 { margin: 0; font-size: clamp(48px, 6vw, 78px); line-height: .98; letter-spacing: -.045em; }
.intro-panel h1 em { color: var(--mint); font-style: normal; }
.intro-panel > p { max-width: 500px; margin: 30px 0 24px; color: var(--muted); font-size: 17px; line-height: 1.75; }
.trust-row { display: flex; flex-wrap: wrap; gap: 12px 22px; color: #b9c9c7; font-size: 12px; }

.donation-card { position: relative; padding: clamp(24px, 4vw, 42px); border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(155deg, rgba(17, 43, 48, .97), rgba(8, 25, 29, .95)); box-shadow: var(--shadow); }
.donation-card::after { content: ""; position: absolute; right: -1px; top: 55px; width: 3px; height: 96px; background: linear-gradient(var(--mint), transparent); }
.card-heading, .panel-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.card-heading > div { display: flex; align-items: center; gap: 10px; }
.section-number { color: var(--mint); font: 700 12px/1 "Chakra Petch", sans-serif; }
.card-heading p, .panel-heading p { margin: 0; color: var(--muted); font: 600 11px/1 "Chakra Petch", sans-serif; letter-spacing: .16em; }
.status-badge { padding: 7px 11px; border: 1px solid rgba(247,216,106,.25); border-radius: 999px; color: var(--yellow); background: rgba(247,216,106,.08); font-size: 10px; }
.status-badge.live { color: var(--mint); border-color: rgba(106,247,207,.25); background: rgba(106,247,207,.08); }

form { position: relative; }
label, legend { display: block; margin-bottom: 9px; color: #d7e3e1; font-size: 13px; font-weight: 600; }
input, textarea { width: 100%; border: 1px solid rgba(191, 227, 219, .14); border-radius: 12px; outline: none; background: rgba(3, 13, 15, .52); color: var(--text); transition: .2s ease; }
input { height: 50px; padding: 0 15px; }
textarea { min-height: 108px; padding: 14px 15px; resize: vertical; }
input:focus, textarea:focus { border-color: rgba(106,247,207,.62); box-shadow: 0 0 0 4px rgba(106,247,207,.07); }
input::placeholder, textarea::placeholder { color: #657c7a; }
form > label:not(:first-of-type), form fieldset { margin-top: 22px; }
.character-count { margin-top: 6px; color: #69807e; font-size: 10px; text-align: right; }
fieldset { margin-inline: 0; padding: 0; border: 0; }
.payment-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.payment-option { display: grid; grid-template-columns: 38px 1fr 18px; align-items: center; gap: 10px; min-height: 70px; margin: 0; padding: 11px; border: 1px solid rgba(191,227,219,.14); border-radius: 13px; background: rgba(3,13,15,.35); cursor: pointer; }
.payment-option:has(input:checked) { border-color: rgba(106,247,207,.65); background: rgba(106,247,207,.06); }
.payment-option input { position: absolute; opacity: 0; pointer-events: none; }
.payment-option b, .payment-option small { display: block; }.payment-option b { font-size: 12px; }.payment-option small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.payment-option i { width: 13px; height: 13px; border: 1px solid #58706d; border-radius: 50%; }
.payment-option:has(input:checked) i { border: 4px solid var(--mint); }
.payment-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: white; font: 700 15px/1 "Chakra Petch", sans-serif; }
.payment-icon.wallet { background: linear-gradient(135deg, #ff8738, #e8402f); }.payment-icon.promptpay { background: linear-gradient(135deg, #244f91, #19376c); }
.amount-wrap { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; border: 1px solid rgba(191,227,219,.14); border-radius: 12px; background: rgba(3,13,15,.52); overflow: hidden; }
.amount-wrap > span { text-align: center; color: var(--mint); font: 700 20px/1 "Chakra Petch", sans-serif; }
.amount-wrap input { border: 0; border-radius: 0; background: transparent; font-size: 20px; }.amount-wrap input:focus { box-shadow: none; }
.amount-wrap small { padding-right: 14px; color: var(--muted); font-size: 10px; }
.amount-chips { display: flex; gap: 8px; margin-top: 9px; }
.amount-chips button { flex: 1; padding: 7px; border: 1px solid rgba(191,227,219,.12); border-radius: 8px; color: var(--muted); background: rgba(255,255,255,.025); cursor: pointer; }
.amount-chips button:hover { color: var(--mint); border-color: rgba(106,247,207,.35); }
.primary-button, .secondary-button, .ghost-button { border: 0; border-radius: 12px; cursor: pointer; text-decoration: none; transition: transform .2s ease, filter .2s ease; }
.primary-button { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-top: 26px; padding: 16px 18px; color: #04120f; background: var(--mint); font-weight: 800; }
.primary-button:hover, .secondary-button:hover { transform: translateY(-1px); filter: brightness(1.06); }
.primary-button:disabled { cursor: not-allowed; opacity: .45; transform: none; }
.form-message { min-height: 20px; margin-top: 12px; color: var(--yellow); font-size: 12px; line-height: 1.5; }
.form-message.error { color: #ff9e8e; }.form-message.success { color: var(--mint); }

.payment-page { min-height: 100vh; }
.payment-shell { display: grid; place-items: center; width: min(100% - 28px, 680px); min-height: calc(100vh - 100px); margin: 0 auto; padding: 28px 0 70px; }
.payment-card { width: 100%; text-align: center; }
.payment-card h1 { margin: 0; font-size: clamp(28px, 6vw, 42px); }
.payment-detail { margin: 12px auto 24px; color: var(--muted); }
.promptpay-qr { display: block; width: min(310px, 86%); aspect-ratio: 1; margin: 18px auto; padding: 14px; border-radius: 18px; background: white; object-fit: contain; }
.promptpay-qr[hidden] { display: none; }
.payment-actions { width: min(360px, 100%); margin: 0 auto; }
.payment-launch { margin-top: 12px; }
.payment-result { display: grid; justify-items: center; gap: 7px; margin-top: 24px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.025); }
.payment-result > span { display: grid; place-items: center; width: 34px; height: 34px; border: 2px solid var(--yellow); border-top-color: transparent; border-radius: 50%; color: var(--mint); animation: payment-spin 1s linear infinite; }
.payment-result b { font-size: 14px; }.payment-result small { color: var(--muted); font-size: 11px; }
.payment-result.paid > span, .payment-result.failed > span, .payment-result.expired > span { border-color: var(--mint); animation: none; }
.payment-result.failed > span, .payment-result.expired > span { border-color: var(--coral); color: var(--coral); }
.back-payment { display: inline-block; margin-top: 24px; color: var(--muted); font-size: 12px; text-decoration: none; }
@keyframes payment-spin { to { transform: rotate(360deg); } }

.how-it-works { padding: 90px 0 110px; border-top: 1px solid var(--line); }
.how-it-works h2 { max-width: 720px; margin: 0 0 42px; font-size: clamp(32px, 4vw, 52px); line-height: 1.08; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps-grid article { min-height: 210px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: rgba(10, 29, 33, .6); }
.steps-grid article > span { color: var(--mint); font: 700 12px/1 "Chakra Petch", sans-serif; }.steps-grid h3 { margin: 52px 0 10px; font-size: 21px; }.steps-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 32px 0 42px; border-top: 1px solid var(--line); }
footer b, footer span { display: block; } footer b { font: 700 13px/1 "Chakra Petch", sans-serif; } footer span { margin-top: 7px; color: var(--muted); font-size: 11px; }
.footer-links { display: flex; gap: 20px; align-items: center; }.footer-links a { color: var(--muted); font-size: 12px; text-decoration: none; }.footer-links a:hover { color: var(--mint); }

.admin-page { min-height: 100vh; background: #071315; }
.admin-sidebar { position: fixed; inset: 0 auto 0 0; display: flex; flex-direction: column; width: 248px; padding: 26px 20px; border-right: 1px solid var(--line); background: #09171a; }
.admin-sidebar nav { display: grid; gap: 6px; margin-top: 56px; }.admin-sidebar nav a { display: flex; gap: 12px; padding: 12px 14px; border-radius: 10px; color: var(--muted); font-size: 13px; text-decoration: none; }.admin-sidebar nav a.active { color: var(--text); background: rgba(106,247,207,.08); }.admin-sidebar nav a span { color: var(--mint); }
.back-link { margin-top: auto; color: var(--muted); font-size: 12px; text-decoration: none; }
.admin-main { margin-left: 248px; padding: 34px clamp(24px, 4vw, 58px) 70px; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }.admin-header p { margin: 0 0 6px; color: var(--mint); font: 600 10px/1 "Chakra Petch", sans-serif; letter-spacing: .18em; }.admin-header h1 { margin: 0; font-size: 30px; }.admin-identity { padding: 10px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 11px; }.online-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px rgba(106,247,207,.7); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }.metrics-grid article, .admin-panel { border: 1px solid var(--line); border-radius: 16px; background: #0c1c20; }.metrics-grid article { padding: 20px; }.metrics-grid p { margin: 0 0 16px; color: var(--muted); font-size: 11px; }.metrics-grid strong { display: block; font: 700 29px/1 "Chakra Petch", sans-serif; }.metrics-grid small { display: block; margin-top: 10px; color: #708684; font-size: 10px; }.system-card strong { color: var(--mint); font-size: 19px; }
.admin-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; margin-top: 14px; }.admin-panel { padding: 24px; }.panel-heading { margin-bottom: 22px; }.panel-heading h2 { margin: 6px 0 0; font-size: 20px; }.panel-heading > span { color: var(--mint); font: 700 13px/1 "Chakra Petch", sans-serif; }
.setup-list { display: grid; gap: 9px; }.setup-list > div { display: flex; justify-content: space-between; padding: 11px 12px; border-radius: 9px; background: rgba(255,255,255,.025); font-size: 12px; }.setup-list span { color: var(--muted); }.setup-list b { color: var(--yellow); font-size: 10px; }.setup-list .ready b { color: var(--mint); }
.panel-actions { display: flex; gap: 9px; margin-top: 18px; }.secondary-button, .ghost-button { padding: 10px 13px; font-size: 11px; font-weight: 700; }.secondary-button { color: #04120f; background: var(--mint); }.ghost-button { border: 1px solid var(--line); color: var(--text); background: transparent; }.ghost-button:disabled { opacity: .4; cursor: not-allowed; }
.integration-notes { display: grid; gap: 8px; margin-top: 16px; }.integration-notes p { margin: 0; }.integration-notes b { display: block; margin-bottom: 4px; color: var(--muted); font-size: 10px; }.integration-notes code { display: block; overflow-wrap: anywhere; color: var(--mint); font-size: 10px; }
.security-panel > p { color: var(--muted); font-size: 12px; line-height: 1.75; }.security-panel ul { margin: 20px 0 0; padding-left: 20px; color: #aec0be; font-size: 11px; line-height: 2; }.security-panel code { color: var(--mint); }.shield { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: var(--ink)!important; background: var(--mint); }
.transactions-panel { margin-top: 14px; }.table-wrap { overflow-x: auto; }table { width: 100%; border-collapse: collapse; }th, td { padding: 13px 12px; border-bottom: 1px solid rgba(181,245,224,.08); font-size: 11px; text-align: left; white-space: nowrap; }th { color: #718986; font-weight: 500; }td { color: #c9d7d5; }.empty-row { padding: 34px; color: var(--muted); text-align: center; }.tag { padding: 4px 7px; border-radius: 999px; background: rgba(106,247,207,.08); color: var(--mint); font-size: 9px; }.tag.waiting { color: var(--yellow); background: rgba(247,216,106,.08); }

@media (max-width: 900px) {
  .donation-shell { grid-template-columns: 1fr; padding-top: 58px; }.intro-panel { text-align: center; }.intro-panel > p { margin-inline: auto; }.trust-row { justify-content: center; }.intro-panel::before { left: 50%; transform: translateX(-50%); }
  .metrics-grid { grid-template-columns: 1fr 1fr; }.admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .site-header, .donation-shell, .how-it-works, footer { width: min(100% - 24px, 1180px); }
  .site-header { padding: 18px 0; }.live-pill { display: none; }.donation-shell { gap: 36px; padding-bottom: 50px; }.intro-panel h1 { font-size: 44px; }.intro-panel > p { font-size: 14px; }.donation-card { padding: 22px 16px; border-radius: 18px; }.payment-options { grid-template-columns: 1fr; }.amount-wrap { grid-template-columns: 34px 1fr; }.amount-wrap small { display: none; }.steps-grid { grid-template-columns: 1fr; }.steps-grid article { min-height: 170px; }.steps-grid h3 { margin-top: 34px; }footer { flex-direction: column; }.footer-links { flex-wrap: wrap; }
  .admin-sidebar { position: static; width: 100%; height: auto; padding: 16px; }.admin-sidebar nav { display: flex; overflow-x: auto; margin-top: 18px; }.admin-sidebar nav a { white-space: nowrap; }.back-link { display: none; }.admin-main { margin-left: 0; padding: 22px 14px 50px; }.admin-header { align-items: flex-start; }.admin-identity { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.metrics-grid { grid-template-columns: 1fr 1fr; }.metrics-grid strong { font-size: 23px; }.panel-actions { flex-direction: column; }.panel-actions > * { text-align: center; }
}