/* ============================================================
   QRWeb — страница оплаты по СБП
   Тёмная приглушённая тема — комфортна для глаз ночью
   ============================================================ */

:root {
  color-scheme: dark;

  --bg-top: #10141d;
  --bg-bottom: #0b0e15;
  --surface: #151b28;
  --surface-input: #10151f;
  --text: #dfe4ec;
  --text-secondary: #a6afc0;
  --text-muted: #828b9e;
  --border: #262f42;
  --border-strong: #34405a;

  --primary-1: #b04a17;
  --primary-2: #93390d;
  --primary-deep: #7a2f0b;
  --primary-ring: rgba(206, 112, 51, 0.24);

  --warning-bg: #201a10;
  --warning-border: #443518;
  --warning-text: #d8b26c;

  --error: #e2867e;

  --accent-soft: #cf7b3f; /* приглушённый оранжевый для иконок */

  --radius-card: 24px;
  --radius-field: 14px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.35), 0 24px 48px -18px rgba(0, 0, 0, 0.55);
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Атрибут hidden всегда сильнее авторских display */
[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom)) fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: rgba(206, 112, 51, 0.35);
}

/* Едва заметные цветовые пятна на фоне */
.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
  z-index: 0;
}

.glow--one {
  width: 520px;
  height: 520px;
  top: -200px;
  right: -140px;
  background: radial-gradient(circle, rgba(206, 112, 51, 0.08), transparent 70%);
}

.glow--two {
  width: 560px;
  height: 560px;
  bottom: -240px;
  left: -180px;
  background: radial-gradient(circle, rgba(86, 114, 178, 0.07), transparent 70%);
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

/* ---------- Карточка ---------- */

.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px 32px 32px;
  animation: card-in 0.45s var(--ease) both;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-1), var(--primary-2));
  box-shadow: 0 6px 16px -8px rgba(0, 0, 0, 0.6);
}

.brand__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
}

.subtitle {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--text-secondary);
}

/* ---------- Форма ---------- */

.form {
  margin-top: 28px;
}

.field-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.amount-field {
  position: relative;
  display: flex;
  align-items: center;
}

.amount-input {
  width: 100%;
  height: 58px;
  padding: 0 48px 0 16px;
  font-family: inherit;
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  background: var(--surface-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-field);
  outline: none;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease),
    background-color 0.18s var(--ease);
}

.amount-input::placeholder {
  color: #5b6478;
  font-weight: 500;
}

.amount-input:hover {
  border-color: var(--border-strong);
}

.amount-input:focus {
  background: var(--surface);
  border-color: var(--primary-1);
  box-shadow: 0 0 0 4px var(--primary-ring);
}

.amount-input[aria-invalid="true"] {
  border-color: var(--error);
}

.amount-input[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 4px rgba(226, 134, 126, 0.14);
}

.amount-currency {
  position: absolute;
  right: 16px;
  font-size: 20px;
  font-weight: 700;
  color: #5b6478;
  pointer-events: none;
}

.hint {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.error {
  margin-top: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--error);
}

/* Предупреждение об округлении копеек вниз */
.round-note {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--warning-text);
}

.round-note svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------- Кнопка ---------- */

.pay-button {
  margin-top: 20px;
  width: 100%;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #f5f0ec;
  background: linear-gradient(135deg, var(--primary-1), var(--primary-2) 55%, var(--primary-deep));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-field);
  cursor: pointer;
  touch-action: manipulation;
  box-shadow: 0 10px 22px -12px rgba(0, 0, 0, 0.65);
  transition: transform 0.15s var(--ease), box-shadow 0.2s var(--ease),
    filter 0.2s var(--ease);
}

.pay-button:hover:not(:disabled) {
  filter: brightness(1.12);
  box-shadow: 0 12px 26px -12px rgba(0, 0, 0, 0.7);
}

.pay-button:active:not(:disabled) {
  transform: scale(0.98);
}

.pay-button:focus-visible {
  outline: 3px solid var(--primary-ring);
  outline-offset: 2px;
}

.pay-button:disabled {
  cursor: default;
  filter: saturate(0.75) brightness(0.92);
}

.pay-button__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #f5f0ec;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.pay-button.is-loading .pay-button__spinner {
  display: inline-block;
}

.pay-button.is-loading .pay-button__arrow {
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Предупреждение о настройке ---------- */

.setup-warning {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--warning-text);
  outline: none;
}

.setup-warning svg {
  flex-shrink: 0;
  margin-top: 1px;
}

.setup-warning code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  background: rgba(216, 178, 108, 0.12);
  border-radius: 5px;
  padding: 1px 5px;
}

/* ---------- Бейджи ---------- */

.badges {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.badge {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  background: #1a2130;
  border: 1px solid var(--border);
  border-radius: 999px;
  white-space: nowrap;
}

.badge svg {
  color: var(--accent-soft);
  flex-shrink: 0;
}

/* ---------- Подпись под карточкой ---------- */

.footer-note {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 7px;
  max-width: 420px;
  margin-top: 22px;
  font-size: 12.5px;
  text-align: center;
  color: var(--text-muted);
}

.footer-note b {
  color: var(--text-secondary);
  font-weight: 600;
}

/* ---------- Адаптив ---------- */

@media (max-width: 400px) {
  .card {
    padding: 28px 20px 24px;
    border-radius: 20px;
  }

  .title {
    font-size: 23px;
  }
}

/* ---------- Уважение к reduced-motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}