/* Shared merchant checkout — brand themes: 001 Payment Store, 002 Push Land, default LibsPay */

:root {
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg-base);
}

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: var(--font);
  -webkit-tap-highlight-color: transparent;
}

body {
  background: transparent;
  isolation: isolate;
}

/* Themes on html — mobile Safari ignores body-level CSS variables for page chrome/bg */
html.merchant-brand--001 {
  color-scheme: light;
  --text: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.1);
  --panel: #ffffff;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-soft: rgba(13, 148, 136, 0.12);
  --accent-glow: rgba(13, 148, 136, 0.28);
  --ok: #059669;
  --danger: #dc2626;
  --bg-base: #f4f1ea;
  --bg-mesh-a: rgba(13, 148, 136, 0.14);
  --bg-mesh-b: rgba(234, 179, 8, 0.1);
  --badge-fg: #047857;
  --badge-bg: rgba(16, 185, 129, 0.12);
  --badge-line: rgba(16, 185, 129, 0.35);
  --btn-text: #fff;
  --input-bg: #f8fafc;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
  --logo-bg: linear-gradient(145deg, #ccfbf1, #99f6e4);
  --logo-fg: #0f766e;
}

html.merchant-brand--002 {
  color-scheme: dark;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --line: rgba(148, 163, 184, 0.18);
  --panel: rgba(18, 12, 32, 0.88);
  --accent: #c084fc;
  --accent-hover: #a855f7;
  --accent-soft: rgba(192, 132, 252, 0.16);
  --accent-glow: rgba(168, 85, 247, 0.35);
  --ok: #34d399;
  --danger: #fb7185;
  --bg-base: #0b0614;
  --bg-mesh-a: rgba(168, 85, 247, 0.22);
  --bg-mesh-b: rgba(236, 72, 153, 0.14);
  --badge-fg: #e9d5ff;
  --badge-bg: rgba(168, 85, 247, 0.14);
  --badge-line: rgba(192, 132, 252, 0.35);
  --btn-text: #fff;
  --input-bg: rgba(255, 255, 255, 0.05);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
  --logo-bg: linear-gradient(145deg, #7c3aed, #db2777);
  --logo-fg: #fff;
}

html.merchant-brand--default {
  color-scheme: dark;
  --text: #e8eef8;
  --muted: #8b97ad;
  --line: rgba(140, 170, 210, 0.18);
  --panel: rgba(12, 16, 24, 0.9);
  --accent: #3d7cff;
  --accent-hover: #2a6bff;
  --accent-soft: rgba(61, 124, 255, 0.14);
  --accent-glow: rgba(61, 124, 255, 0.32);
  --ok: #3dffa8;
  --danger: #ff5d6c;
  --bg-base: #04060c;
  --bg-mesh-a: rgba(61, 124, 255, 0.2);
  --bg-mesh-b: rgba(40, 180, 200, 0.12);
  --badge-fg: #3dffa8;
  --badge-bg: rgba(61, 255, 168, 0.1);
  --badge-line: rgba(61, 255, 168, 0.35);
  --btn-text: #fff;
  --input-bg: rgba(5, 8, 14, 0.65);
  --shadow: 0 0 40px rgba(62, 130, 255, 0.14);
  --logo-bg: linear-gradient(145deg, rgba(90, 160, 255, 0.22), rgba(8, 14, 26, 0.95));
  --logo-fg: #6ec8ff;
}

.merchant-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--bg-base);
}

.merchant-bg__mesh {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(ellipse 55% 45% at 18% 20%, var(--bg-mesh-a), transparent 60%),
    radial-gradient(ellipse 50% 40% at 82% 78%, var(--bg-mesh-b), transparent 58%),
    linear-gradient(165deg, color-mix(in srgb, var(--bg-base) 88%, #fff 12%), var(--bg-base));
}

.merchant-bg__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.75;
  animation: merchant-glow 16s ease-in-out infinite;
}

.merchant-bg__glow--a {
  width: min(420px, 70vw);
  height: min(420px, 70vw);
  top: -8%;
  right: -6%;
  background: var(--bg-mesh-a);
}

.merchant-bg__glow--b {
  width: min(360px, 62vw);
  height: min(360px, 62vw);
  bottom: -10%;
  left: -8%;
  background: var(--bg-mesh-b);
  animation-delay: -6s;
}

.merchant-bg__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(100, 116, 139, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 116, 139, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 85% 70% at 50% 40%, #000 20%, transparent 78%);
}

.merchant-brand--002 .merchant-bg__pattern,
html.merchant-brand--002 .merchant-bg__pattern,
.merchant-brand--default .merchant-bg__pattern,
html.merchant-brand--default .merchant-bg__pattern {
  opacity: 0.22;
}

@keyframes merchant-glow {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(12px, -16px, 0) scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .merchant-bg__glow { animation: none; }
}

.merchant-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

.merchant-card {
  width: min(100%, 440px);
  padding: 28px 24px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.merchant-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.merchant-brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.merchant-logo {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--logo-bg);
  color: var(--logo-fg);
  box-shadow: 0 10px 24px var(--accent-glow);
}

.merchant-logo__svg { display: none; }
.merchant-brand--001 .merchant-logo__svg--store { display: block; }
.merchant-brand--002 .merchant-logo__svg--push { display: block; }
.merchant-brand--default .merchant-logo__svg--libspay { display: block; }

.merchant-brand-text { min-width: 0; }

.merchant-title {
  display: block;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.merchant-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
  font-weight: 500;
}

.merchant-badge {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--badge-line);
  color: var(--badge-fg);
  background: var(--badge-bg);
}

.merchant-intro {
  text-align: center;
  margin-bottom: 24px;
}

.merchant-h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 6vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.merchant-lead {
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(13px, 3.2vw, 14px);
  line-height: 1.45;
  max-width: 22rem;
}

.merchant-label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.merchant-amount-wrap { position: relative; }

.merchant-form input[type="text"] {
  width: 100%;
  height: 56px;
  padding: 0 52px 0 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
  font-size: 22px;
  font-weight: 700;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.merchant-form input::placeholder {
  color: color-mix(in srgb, var(--muted) 55%, transparent);
  font-weight: 600;
}

.merchant-form input:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.merchant-currency {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--muted);
  font-weight: 800;
}

.merchant-btn {
  width: 100%;
  margin-top: 16px;
  min-height: 52px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  color: var(--btn-text);
  font: inherit;
  font-weight: 800;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow: 0 14px 32px var(--accent-glow);
  transition: transform 0.15s, opacity 0.15s, filter 0.15s;
}

.merchant-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.merchant-btn:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.merchant-message {
  min-height: 20px;
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}

.merchant-message.error {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  color: var(--danger);
}

.merchant-message.success {
  padding: 16px 14px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent);
  background: color-mix(in srgb, var(--ok) 10%, transparent);
  color: var(--ok);
  font-weight: 700;
}

.merchant-payment { margin-top: 18px; text-align: center; }

.merchant-summary {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--input-bg) 80%, transparent);
}

.merchant-summary-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.merchant-summary-label {
  font-size: 13px;
  color: var(--muted);
}

.merchant-summary-amount {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.merchant-summary-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}

.merchant-summary-row + .merchant-summary-row { margin-top: 8px; }

.merchant-summary-value {
  color: var(--text);
  text-align: right;
  font-family: var(--mono);
  font-size: 11px;
  max-width: 62%;
}

.merchant-customer-pay .merchant-intro .merchant-h1 {
  font-size: clamp(22px, 5.5vw, 28px);
}

.merchant-payment:not([hidden]) { display: block; }

.merchant-qr-frame {
  width: min(100%, 188px);
  margin: 0 auto 14px;
}

.merchant-qr-plate {
  border-radius: 16px;
  background: #fff;
  padding: 10px;
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.12),
    inset 0 0 0 1px rgba(15, 23, 42, 0.06);
}

.merchant-qr {
  display: block;
  width: calc(100% + 12px);
  max-width: none;
  margin: -6px;
  border-radius: 8px;
  background: #fff;
}

.merchant-designation {
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.merchant-pay-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
  width: 100%;
  box-sizing: border-box;
}

.merchant-pay-link[hidden] { display: none !important; }

.merchant-pay-link:hover {
  background: color-mix(in srgb, var(--accent-soft) 70%, var(--accent) 30%);
}

.merchant-change-amount {
  border-color: var(--line);
  background: color-mix(in srgb, var(--input-bg) 90%, transparent);
  color: var(--text);
}

.merchant-change-amount:hover {
  background: color-mix(in srgb, var(--input-bg) 70%, var(--accent-soft) 30%);
}

.merchant-foot {
  margin: 22px 0 0;
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.45;
}

.merchant-foot-mark {
  font-family: var(--mono);
  color: var(--badge-fg);
  letter-spacing: 0.07em;
}

@media (max-width: 480px) {
  .merchant-card { padding: 22px 18px 18px; border-radius: 20px; }
  .merchant-title { font-size: 16px; }
}