* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

:root {
  --ref-ink: #232323;
  --ref-white: #ffffff;
  --ref-red: #e31e24;
  --ref-muted: rgba(255, 255, 255, 0.55);
  --ref-line-dark: rgba(255, 255, 255, 0.12);
  --ref-line-light: #e8e8e8;
  --ref-panel: #fafafa;
  --font-ui: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--ref-ink);
  background: var(--ref-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
}

.layout {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) minmax(280px, 420px);
  width: 100%;
  max-width: 100vw;
}

.layout > * {
  min-width: 0;
}

main.layout {
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
}

.left {
  position: relative;
  padding: 40px 28px 40px 32px;
  border-right: 1px solid var(--ref-line-dark);
  background: var(--ref-ink);
  color: var(--ref-white);
}

.left::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  width: 2px;
  height: min(140px, 28vh);
  background: var(--ref-red);
  border-radius: 1px;
}

#stepNumber {
  margin: 0 0 32px;
  font-size: 44px;
  font-weight: 700;
  color: var(--ref-white);
  letter-spacing: 0.04em;
}

#stepList {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 20px;
  text-transform: lowercase;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  list-style: none;
}

#stepList li {
  color: var(--ref-muted);
}

#stepList .active-step {
  color: var(--ref-white);
  font-weight: 700;
}

#stepList .step-list-item {
  cursor: pointer;
  transition: color 0.15s ease, opacity 0.15s ease;
  touch-action: manipulation;
}

#stepList .step-list-item:hover:not(.active-step) {
  color: rgba(255, 255, 255, 0.82);
}

#stepList .step-list-item:focus-visible {
  outline: 2px solid var(--ref-red);
  outline-offset: 2px;
  border-radius: 2px;
}

.center {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 22px;
  border-right: 1px solid var(--ref-line-light);
  padding: 20px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: var(--ref-panel);
  overflow-x: hidden;
}

/** Wrapper for html2canvas: same stack as on-screen certificate (card + barcode strip). */
.certificate-capture-root {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.certificate-capture-root--page {
  gap: 0;
  align-items: stretch;
}

.certificate-capture-root--page .certificate-art {
  margin-bottom: 0;
}

.is-hidden {
  display: none !important;
}

.card-preview-wrap {
  width: min(92%, 760px);
  max-width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 52px;
  align-items: center;
  gap: 12px;
}

.card-preview-wrap--readonly {
  grid-template-columns: minmax(0, 1fr);
  width: min(92%, 640px);
}

.card-preview-wrap--readonly .carousel-nav {
  display: none;
}

.card-preview-wrap--readonly.is-certificate-step {
  width: min(92%, 760px);
}

.card-preview {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  aspect-ratio: 1200 / 760;
  border-radius: 0;
  background: transparent;
  padding: 0;
  display: grid;
  place-items: center;
  box-sizing: border-box;
}

.card-preview-art {
  position: relative;
  width: 100%;
  max-width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.certificate-band-overlay {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 5.2%;
  pointer-events: none;
  white-space: nowrap;
  opacity: 1;
}

.certificate-band-overlay.is-empty {
  opacity: 0;
}

.certificate-band-overlay__brand,
.certificate-band-overlay__nominal {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: var(--band-font-size, clamp(20px, 4.2vw, 34px));
  letter-spacing: 0.01em;
  color: #1a1a1b;
  line-height: 1;
}

.certificate-band-overlay__brand {
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.certificate-band-overlay__nominal {
  letter-spacing: 0.01em;
  text-align: right;
}

.carousel-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(35, 35, 35, 0.12);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ref-red);
  cursor: pointer;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.15s ease, background 0.15s ease;
  touch-action: manipulation;
}

.carousel-nav:hover {
  border-color: rgba(227, 30, 36, 0.45);
  background: var(--ref-white);
}

.carousel-nav-icon {
  display: block;
  pointer-events: none;
}

.carousel-nav-stroke {
  stroke-width: 2;
}

.card-preview-art img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  border-radius: 18px;
  z-index: 0;
  position: relative;
}

.card-preview-wrap.is-certificate-step .card-preview {
  background: var(--ref-white);
  border: 1px solid var(--ref-line-light);
  border-bottom: 0;
}

.card-preview-wrap.is-certificate-step .card-preview-art img {
  border-radius: 0;
}

.right {
  padding: 48px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  background: var(--ref-white);
  min-width: 0;
  overflow-x: hidden;
}

.step-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
  margin-top: auto;
}

.step-footer .primary-btn {
  width: 190px;
  flex: 0 0 auto;
}

#stepContent {
  flex: 1;
}

#stepContent h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 6vw, 50px);
  line-height: 0.95;
  text-transform: lowercase;
  color: var(--ref-ink);
  font-weight: 700;
  letter-spacing: 0.02em;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.step-title-centered {
  text-align: center;
}

.design-carousel {
  width: min(92%, 760px);
  max-width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.card-preview-wrap.is-certificate-step + .design-carousel.is-certificate-step {
  margin-top: -22px;
}

.design-carousel-row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 10px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 6px 8px 8px;
  margin: 0;
  scrollbar-width: thin;
  min-width: 0;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  touch-action: pan-x;
  justify-content: center;
}

.design-carousel.is-hidden {
  visibility: hidden;
  height: 0;
  margin: 0;
  padding: 0;
}

.carousel-thumb {
  min-width: 68px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 1px solid #e1e1e1;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: #fff;
  touch-action: manipulation;
}

.carousel-thumb-stack {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

.carousel-thumb-stack img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/** Нижняя белая полоса с брендом, как на основном превью (~21% высоты макета 760px) */
.carousel-thumb-band {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26%;
  min-height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 0 3px;
  background: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: 5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #1a1a1b;
  line-height: 1.05;
  text-align: center;
  white-space: normal;
  overflow: hidden;
  pointer-events: none;
  -webkit-font-smoothing: antialiased;
}

.carousel-thumb-active {
  border-color: var(--ref-ink);
  box-shadow: inset 0 0 0 2px var(--ref-ink);
}

.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 0;
  background: #bcbcbc;
  padding: 0;
  cursor: pointer;
}

.carousel-dot-active {
  background: var(--ref-red);
}

.design-step-hint {
  margin: 0;
  color: #666;
  text-transform: lowercase;
}

.chip {
  border: 1px solid var(--ref-line-light);
  background: var(--ref-white);
  padding: 10px 14px;
  text-transform: lowercase;
  cursor: pointer;
  color: var(--ref-ink);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  -webkit-appearance: none;
  appearance: none;
  touch-action: manipulation;
}

.chip-active {
  border-color: var(--ref-ink);
  box-shadow: inset 0 0 0 1px var(--ref-ink);
}

.chips-nominal {
  gap: 8px 10px;
}

.chip-nominal {
  border: 1px solid rgba(35, 35, 35, 0.22);
  padding: 12px 16px;
  border-radius: 0;
  font-weight: 500;
}

.chip-nominal.chip-active {
  border: 2px solid var(--ref-ink);
  box-shadow: none;
  font-weight: 700;
}

.nominal-custom {
  margin: 4px 0 20px;
  display: grid;
  gap: 8px;
}

.nominal-custom-label {
  font-size: 12px;
  color: rgba(35, 35, 35, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.nominal-custom-field {
  width: 100%;
  max-width: 100%;
  border: 0;
  border-bottom: 2px solid var(--ref-line-light);
  border-radius: 0;
  padding: 12px 4px;
  font-size: 16px;
  font-family: var(--font-ui);
  font-weight: 500;
  color: var(--ref-ink);
  margin-bottom: 0;
  box-sizing: border-box;
  background: transparent;
}

.nominal-custom-field:focus {
  outline: none;
  border-bottom-color: var(--ref-red);
}

/** Блок ссылки на оплату на шаге 4 (класс вешается вместе с .nominal-custom из-за отступов) */
.payment-step-meta {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.payment-step-meta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 48px;
  padding: 12px 18px;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  background: var(--ref-panel);
  border: 1px solid var(--ref-line-light);
  color: var(--ref-ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  -webkit-tap-highlight-color: transparent;
}

.payment-step-meta a:hover {
  border-color: rgba(35, 35, 35, 0.28);
}

.payment-step-meta a:active {
  background: #eeeeee;
}

.payment-step-meta small {
  display: block;
  font-size: 12px;
  color: rgba(35, 35, 35, 0.65);
  word-break: break-word;
  line-height: 1.45;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
input[type="tel"],
textarea,
input:not([type]) {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--ref-line-light);
  padding: 12px 6px;
  margin-bottom: 14px;
  font-size: 15px;
  font-family: var(--font-ui);
  font-weight: 500;
  color: var(--ref-ink);
}

.privacy-consent {
  margin: 2px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: rgba(35, 35, 35, 0.72);
}

.privacy-consent a {
  color: var(--ref-ink);
  text-decoration: underline;
}

textarea {
  border: 1px solid var(--ref-line-light);
  resize: vertical;
  min-height: 160px;
}

.price,
.total {
  font-size: clamp(24px, 5vw, 42px);
  font-weight: 700;
  margin: 8px 0 0;
  color: var(--ref-ink);
  letter-spacing: 0.04em;
}

.methods {
  display: grid;
  gap: 14px;
}

.method-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  text-transform: lowercase;
}

.primary-btn {
  border: 0;
  background: var(--ref-ink);
  color: var(--ref-white);
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-ui);
  letter-spacing: 0.14em;
  padding: 16px 20px;
  cursor: pointer;
  width: 190px;
  align-self: flex-end;
  transition: background 0.15s ease, color 0.15s ease;
  touch-action: manipulation;
}

.primary-btn:hover {
  background: #000000;
}

.primary-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.primary-btn--ghost {
  background: var(--ref-white);
  color: var(--ref-ink);
  border: 2px solid var(--ref-ink);
}

.primary-btn--ghost:hover {
  background: var(--ref-panel);
}

.admin-page {
  background: var(--ref-panel);
  font-family: var(--font-ui);
  color: var(--ref-ink);
  padding: max(0px, env(safe-area-inset-top)) max(0px, env(safe-area-inset-right)) max(0px, env(safe-area-inset-bottom))
    max(0px, env(safe-area-inset-left));
  box-sizing: border-box;
  min-height: 100dvh;
  min-height: 100vh;
}

.admin-layout {
  max-width: min(920px, calc(100vw - 24px));
  margin: 30px auto;
  background: var(--ref-white);
  border: 1px solid var(--ref-line-light);
  border-top: 3px solid var(--ref-red);
  border-radius: 0;
  padding: 24px;
}

.admin-layout h1 {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1.1rem;
}

.admin-form {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.admin-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.admin-form h2 {
  margin: 6px 0 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.admin-panel {
  display: grid;
  gap: 14px;
}

.admin-panel-head {
  display: grid;
  gap: 12px;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-tab {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--ref-line-light);
  background: var(--ref-panel);
  color: var(--ref-ink);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.admin-tab:hover {
  border-color: rgba(35, 35, 35, 0.35);
}

.admin-tab.is-active {
  border-color: var(--ref-ink);
  background: var(--ref-white);
  box-shadow: inset 0 -2px 0 var(--ref-red);
}

.admin-tab-panel {
  display: none;
}

.admin-tab-panel.is-active {
  display: block;
}

.admin-section-title {
  margin: 4px 0 12px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.admin-section-title--sub {
  margin-top: 22px;
}

.admin-section-title--inline {
  margin: 0;
}

.admin-hint {
  margin: -6px 0 14px;
  font-size: 13px;
  line-height: 1.45;
  color: rgba(35, 35, 35, 0.72);
}

.admin-form--design {
  gap: 14px;
}

.design-editor-list {
  display: grid;
  gap: 16px;
}

.design-editor-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--ref-line-light);
  background: var(--ref-panel);
  box-sizing: border-box;
}

.design-editor-fields {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.design-editor-label {
  display: grid;
  gap: 6px;
  font-size: 13px;
}

.design-editor-preview-wrap {
  width: 100%;
  max-width: 160px;
  aspect-ratio: 1200 / 760;
  margin: 0 auto;
  border: 1px solid var(--ref-line-light);
  background: var(--ref-white);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.design-editor-preview-wrap.is-empty::after {
  content: "Нет превью";
  font-size: 11px;
  color: rgba(35, 35, 35, 0.45);
  position: absolute;
  pointer-events: none;
}

.design-editor-preview {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.design-editor-preview[data-empty="1"] {
  display: none;
}

.design-editor-upload-row {
  margin-top: 2px;
}

.design-upload-label {
  cursor: pointer;
  display: inline-block;
  position: relative;
}

.design-upload-label input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  opacity: 0;
}

.design-upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--ref-line-light);
  background: var(--ref-white);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ref-ink);
}

.design-upload-label:hover .design-upload-btn {
  border-color: rgba(35, 35, 35, 0.35);
}

.design-remove-btn {
  justify-self: start;
}

.design-editor-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}

.primary-btn--small-inline {
  width: auto;
  min-width: 0;
  align-self: flex-start;
}

.admin-orders-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-orders-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 8px;
  border: 1px solid var(--ref-line-light);
}

.admin-orders-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-orders-table th,
.admin-orders-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ref-line-light);
}

.admin-orders-table th {
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--ref-panel);
}

.admin-orders-table tbody tr:last-child td {
  border-bottom: 0;
}

.admin-orders-buyer {
  max-width: 220px;
  word-break: break-word;
}

.admin-orders-table a {
  color: var(--ref-ink);
  font-weight: 600;
}

.admin-order-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-order-actions .primary-btn {
  width: auto;
  min-width: 0;
  padding: 8px 12px;
  font-size: 10px;
}

.admin-orders-empty {
  text-align: center;
  color: rgba(35, 35, 35, 0.55);
}

.primary-btn--small {
  width: auto;
  min-width: 0;
  padding: 12px 18px;
  font-size: 10px;
}

#adminIdentity {
  margin: 2px 0 0;
  font-size: 13px;
  color: rgba(35, 35, 35, 0.76);
}

.admin-status {
  min-height: 20px;
  margin: 4px 0;
  font-size: 13px;
  color: rgba(35, 35, 35, 0.62);
}

.admin-status--error {
  color: var(--ref-red);
}

.admin-status--success {
  color: #166534;
}

.certificate-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--ref-panel);
  font-family: var(--font-ui);
  color: var(--ref-ink);
  padding: max(0px, env(safe-area-inset-top)) max(0px, env(safe-area-inset-right)) max(0px, env(safe-area-inset-bottom))
    max(0px, env(safe-area-inset-left));
  box-sizing: border-box;
}

.certificate-layout {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px max(16px, env(safe-area-inset-left)) max(40px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-right));
  box-sizing: border-box;
  width: 100%;
}

.certificate-loading,
.certificate-error {
  text-align: center;
  font-size: 15px;
}

.certificate-error {
  color: var(--ref-red);
}

.certificate-card {
  background: var(--ref-white);
  border: 1px solid var(--ref-line-light);
  border-top: 3px solid var(--ref-red);
  padding: 24px;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

.certificate-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(35, 35, 35, 0.55);
}

.certificate-title {
  margin: 10px 0 6px;
  font-size: 28px;
  font-weight: 700;
  text-transform: lowercase;
}

.certificate-amount {
  margin: 0 0 18px;
  font-size: 36px;
  font-weight: 700;
}

.certificate-art {
  margin: 0 0 18px;
  display: grid;
  place-items: center;
}

.certificate-card-preview {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.certificate-art img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.certificate-barcode-wrap {
  display: grid;
  place-items: center;
  margin: 4px 0 14px;
}

.design-carousel.is-certificate-step .certificate-barcode-wrap {
  width: 100%;
  background: var(--ref-white);
  border: 1px solid var(--ref-line-light);
  border-top: 0;
  margin: 0;
  padding: 14px 16px 12px;
}

.certificate-barcode {
  width: min(265px, 100%);
  height: auto;
  display: block;
}

.design-carousel.is-certificate-step .certificate-barcode {
  width: min(210px, 100%);
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.certificate-code-digits {
  margin: 4px 0 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #1a1a1b;
  line-height: 1;
}

.certificate-line {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.45;
}

.certificate-line span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(35, 35, 35, 0.55);
  margin-bottom: 4px;
}

.certificate-line--message {
  white-space: pre-wrap;
}

.certificate-meta {
  margin: 14px 0 18px;
  font-size: 12px;
  color: rgba(35, 35, 35, 0.55);
}

.certificate-actions .primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  width: auto;
  min-width: 200px;
}

.certificate-inline {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.certificate-iframe {
  width: 100%;
  min-height: 420px;
  border: 1px solid var(--ref-line-light);
  background: var(--ref-white);
}

.certificate-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.certificate-inline-actions .primary-btn {
  width: auto;
  min-width: 0;
  align-self: auto;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: minmax(120px, 140px) minmax(0, 1fr);
    grid-template-areas:
      "left center"
      "left right";
    min-width: 0;
  }

  .left {
    grid-area: left;
    border-right: 1px solid var(--ref-line-dark);
    border-bottom: 0;
    padding: 20px 14px 20px 20px;
    min-width: 0;
  }

  .center {
    grid-area: center;
    border-right: 0;
    border-bottom: 1px solid var(--ref-line-light);
    align-content: center;
    min-width: 0;
    max-width: 100%;
    overflow-x: hidden;
  }

  .right {
    grid-area: right;
    padding: 30px 20px;
    min-width: 0;
    max-width: 100%;
    overflow-x: hidden;
  }

  #stepContent h2 {
    font-size: clamp(26px, 4.2vw, 42px);
  }

  .primary-btn {
    width: 170px;
  }
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "left"
      "center"
      "right";
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
    padding-bottom: max(0px, env(safe-area-inset-bottom));
  }

  .left {
    border-right: 0;
    border-bottom: none;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
    background: transparent;
    color: var(--ref-white);
  }

  /* Чёрная шапка: минимальная высота (~−50% к прежней) */
  .left-head {
    background: var(--ref-ink);
    color: var(--ref-white);
    min-height: 108px;
    padding: 8px max(16px, env(safe-area-inset-left)) 26px max(16px, env(safe-area-inset-right));
    box-sizing: border-box;
    border-bottom: 1px solid var(--ref-line-dark);
    position: relative;
    z-index: 0;
  }

  .left::before {
    left: max(12px, env(safe-area-inset-left));
    height: 24px;
    z-index: 1;
  }

  #stepNumber {
    font-size: 32px;
    line-height: 1;
    margin: 0 0 6px;
  }

  #stepList {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    padding: 0 0 6px;
    margin: 0;
    font-size: clamp(10px, 2.8vw, 12px);
    letter-spacing: 0.02em;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }

  #stepList .step-list-item {
    flex: 0 0 auto;
    text-align: center;
    padding: 10px 8px;
    margin: 0;
    -webkit-tap-highlight-color: transparent;
    white-space: nowrap;
    line-height: 1.2;
    scroll-snap-align: start;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .center {
    padding: 12px max(16px, env(safe-area-inset-right)) 16px max(16px, env(safe-area-inset-left));
    align-content: start;
    min-height: 0;
    gap: 14px;
    justify-items: center;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .design-carousel {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0;
    box-sizing: border-box;
    align-items: center;
  }

  .design-carousel-row {
    gap: 8px;
    padding: 4px 4px 10px;
    scroll-padding-inline: 8px;
    justify-content: center;
    touch-action: auto;
  }

  .carousel-thumb {
    min-width: 56px;
    width: 56px;
    height: 56px;
    flex: 0 0 auto;
    touch-action: manipulation;
  }

  .carousel-thumb-band {
    font-size: 4.5px;
    letter-spacing: 0.02em;
    padding: 0 2px;
    height: 28%;
  }

  .card-preview-wrap {
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    gap: 8px;
    padding-inline: 2px;
    box-sizing: border-box;
  }

  .card-preview-wrap.card-preview-wrap--readonly {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    max-width: 100%;
  }

  .card-preview {
    width: min(100%, calc(52dvh * 1200 / 760));
    max-width: 100%;
    max-height: 52dvh;
    margin-inline: auto;
    aspect-ratio: 1200 / 760;
  }

  .carousel-nav {
    width: 40px;
    height: 40px;
  }

  .carousel-nav-icon {
    width: 18px;
    height: 18px;
  }

  .right {
    padding: 20px max(16px, env(safe-area-inset-left)) max(24px, env(safe-area-inset-bottom))
      max(16px, env(safe-area-inset-right));
    gap: 16px;
  }

  #stepContent h2 {
    font-size: clamp(26px, 7vw, 34px);
  }

  .price,
  .total {
    font-size: clamp(24px, 7vw, 34px);
  }

  .step-footer {
    align-items: stretch;
  }

  .step-footer .primary-btn {
    width: 100%;
  }

  .primary-btn {
    width: 100%;
    align-self: stretch;
    min-height: 48px;
    box-sizing: border-box;
  }

  .chip,
  .chip-nominal {
    min-height: 44px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .method-row {
    flex-wrap: wrap;
    font-size: clamp(15px, 4vw, 18px);
    gap: 12px;
  }

  .design-step-hint {
    font-size: clamp(13px, 3.5vw, 15px);
    line-height: 1.45;
    max-width: 100%;
  }

  .nominal-custom a {
    word-break: break-word;
  }
}

@media (max-width: 480px) {
  #stepContent h2 {
    font-size: clamp(24px, 9vw, 30px);
    line-height: 1;
  }

  .price,
  .total {
    font-size: clamp(22px, 8vw, 30px);
  }

  .chip-nominal {
    padding: 10px 12px;
    font-size: 13px;
  }

  input[type="text"],
  input[type="password"],
  input[type="number"],
  input[type="email"],
  input[type="tel"],
  textarea,
  input:not([type]) {
    font-size: 16px;
  }

  .nominal-custom-field {
    font-size: 16px;
  }

  .certificate-card {
    padding: 16px max(12px, env(safe-area-inset-left)) 20px max(12px, env(safe-area-inset-right));
  }

  .certificate-barcode {
    width: min(100%, 280px);
  }

  .certificate-actions .primary-btn {
    width: 100%;
    min-width: 0;
    min-height: 48px;
  }

  .admin-layout {
    margin: 12px max(8px, env(safe-area-inset-left)) 24px max(8px, env(safe-area-inset-right));
    padding: 16px;
    max-width: none;
    width: auto;
  }
}

@media (max-width: 900px) and (max-height: 520px) {
  .left-head {
    min-height: 86px;
    padding-bottom: 10px;
  }

  .card-preview {
    width: min(100%, calc(38dvh * 1200 / 760));
    max-height: 38dvh;
    aspect-ratio: 1200 / 760;
  }

  #stepContent h2 {
    margin-bottom: 10px;
  }
}

@media (max-width: 768px) {
  .certificate-layout {
    padding-top: 14px;
    padding-bottom: max(24px, env(safe-area-inset-bottom));
  }

  .certificate-title {
    font-size: clamp(20px, 5.5vw, 26px);
  }

  .certificate-amount {
    font-size: clamp(22px, 7vw, 30px);
  }

  .certificate-kicker {
    font-size: 10px;
  }

  .certificate-meta {
    font-size: 11px;
    overflow-wrap: anywhere;
  }

  .certificate-iframe {
    min-height: min(400px, 52vh);
  }

  .method-row {
    min-height: 48px;
    padding-block: 4px;
    gap: 14px;
  }

  .method-row input[type="radio"] {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
  }
}

@media (max-width: 640px) {
  .admin-page .admin-form button.primary-btn {
    width: 100%;
    align-self: stretch;
  }

  .design-editor-row {
    grid-template-columns: 1fr;
  }

  .design-editor-preview-wrap {
    max-width: 100%;
  }

  .design-editor-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .design-editor-footer .primary-btn {
    width: 100%;
  }

  .admin-page #logoutBtn {
    width: 100%;
  }
}

@media (max-width: 900px) and (orientation: landscape) and (max-height: 480px) {
  .center {
    padding-top: 8px;
    padding-bottom: 10px;
  }

  .card-preview {
    width: min(100%, calc(40dvh * 1200 / 760));
    max-height: 40dvh;
    aspect-ratio: 1200 / 760;
  }
}