:root {
      color-scheme: light;
      --tg-background-color: #f2f5f4;
      --tg-secondary-background-color: #ffffff;
      --tg-text-color: #16201d;
      --tg-hint-color: #64716d;
      --tg-button-color: #087f5b;
      --tg-button-text-color: #ffffff;
      --background: var(--tg-background-color);
      --surface: var(--tg-secondary-background-color);
      --text: var(--tg-text-color);
      --muted: var(--tg-hint-color);
      --accent: var(--tg-button-color);
      --accent-dark: #066247;
      --accent-soft: #dff4ec;
      --border: #dce5e1;
      --danger: #b42318;
      --shadow: 0 12px 30px rgba(18, 53, 42, 0.08);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      background:
        radial-gradient(circle at top right, rgba(66, 184, 131, 0.15), transparent 32rem),
        var(--background);
      color: var(--text);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    button,
    input {
      font: inherit;
    }

    .app {
      width: min(100%, 720px);
      margin: 0 auto;
      padding: 24px 16px 48px;
    }

    .hero {
      padding: 18px 4px 22px;
    }

    .eyebrow {
      margin: 0 0 8px;
      color: var(--accent);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    h1 {
      margin: 0;
      font-size: clamp(28px, 8vw, 42px);
      line-height: 1.05;
      letter-spacing: -0.04em;
    }

    .subtitle {
      max-width: 540px;
      margin: 12px 0 0;
      color: var(--muted);
      line-height: 1.55;
    }

    .profile {
      display: flex;
      align-items: center;
      gap: 11px;
      width: fit-content;
      margin-top: 18px;
      padding: 10px 13px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: color-mix(in srgb, var(--surface) 88%, transparent);
    }

    .profile-avatar {
      display: grid;
      width: 36px;
      height: 36px;
      place-items: center;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent-dark);
      font-weight: 900;
    }

    .profile strong,
    .profile span,
    .profile small {
      display: block;
    }

    .profile span,
    .profile small {
      color: var(--muted);
      font-size: 11px;
    }

    .profile span:empty {
      display: none;
    }

    .controls {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.9);
      box-shadow: var(--shadow);
    }

    .field {
      display: grid;
      gap: 6px;
    }

    label {
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    input {
      width: 100%;
      min-width: 0;
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: 12px;
      outline: none;
      background: var(--surface);
      color: var(--text);
      text-transform: uppercase;
    }

    input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(8, 127, 91, 0.12);
    }

    .load-button,
    .select-button,
    .retry-button {
      border: 0;
      border-radius: 12px;
      background: var(--accent);
      color: var(--tg-button-text-color);
      cursor: pointer;
      font-weight: 800;
      transition: background 150ms ease, transform 150ms ease;
    }

    .load-button {
      align-self: end;
      padding: 13px 17px;
    }

    button:hover {
      background: var(--accent-dark);
    }

    button:active {
      transform: translateY(1px);
    }

    button:disabled {
      cursor: wait;
      opacity: 0.65;
    }

    .selection {
      display: none;
      margin-top: 14px;
      padding: 14px 16px;
      border: 1px solid #a8ddca;
      border-radius: 14px;
      background: var(--accent-soft);
      color: #09563f;
      line-height: 1.45;
    }

    .selection.visible {
      display: block;
    }

    .catalog-header {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 16px;
      margin: 28px 2px 12px;
    }

    .catalog-header h2 {
      margin: 0;
      font-size: 20px;
    }

    .count {
      color: var(--muted);
      font-size: 13px;
    }

    .status {
      padding: 34px 18px;
      border: 1px dashed var(--border);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.65);
      color: var(--muted);
      text-align: center;
    }

    .status.error {
      color: var(--danger);
    }

    .retry-button {
      display: block;
      margin: 14px auto 0;
      padding: 10px 14px;
    }

    .cards {
      display: grid;
      gap: 12px;
    }

    .card {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 16px;
      padding: 18px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--surface);
      box-shadow: 0 6px 18px rgba(18, 53, 42, 0.05);
    }

    .card h3 {
      margin: 0 0 9px;
      font-size: 16px;
      line-height: 1.35;
    }

    .details {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
    }

    .badge {
      padding: 5px 8px;
      border-radius: 999px;
      background: #eef3f1;
      color: #46534f;
      font-size: 12px;
      font-weight: 700;
    }

    .code {
      display: block;
      margin-top: 10px;
      color: var(--muted);
      font-size: 11px;
    }

    .offer {
      display: flex;
      min-width: 104px;
      flex-direction: column;
      align-items: flex-end;
      justify-content: space-between;
      gap: 12px;
    }

    .price {
      font-size: 19px;
      font-weight: 850;
      white-space: nowrap;
    }

    .select-button {
      padding: 10px 14px;
    }

    .select-button.selected {
      background: #33443f;
    }

    .screen[hidden] {
      display: none;
    }

    .back-button,
    .remove-button {
      padding: 0;
      border: 0;
      background: transparent;
      color: var(--accent);
      cursor: pointer;
      font-weight: 800;
    }

    .back-button:hover,
    .remove-button:hover {
      background: transparent;
      color: var(--accent-dark);
    }

    .panel {
      margin-top: 22px;
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: 20px;
      background: var(--surface);
      box-shadow: var(--shadow);
    }

    .panel h2 {
      margin: 18px 0 8px;
      font-size: 24px;
      line-height: 1.2;
    }

    .detail-location {
      margin: 0 0 18px;
      color: var(--muted);
    }

    .detail-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin: 20px 0;
    }

    .metric {
      padding: 14px;
      border-radius: 14px;
      background: #f3f7f5;
    }

    .metric-label {
      display: block;
      margin-bottom: 5px;
      color: var(--muted);
      font-size: 11px;
    }

    .metric-value {
      font-weight: 850;
    }

    .location-list {
      margin: 18px 0;
      padding: 14px;
      border-radius: 14px;
      background: #f7f9f8;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .primary-action {
      width: 100%;
      padding: 14px 18px;
      border: 0;
      border-radius: 13px;
      background: var(--accent);
      color: var(--tg-button-text-color);
      cursor: pointer;
      font-weight: 850;
    }

    .cart-row,
    .cart-total {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .cart-row {
      margin: 18px 0;
      padding: 16px;
      border: 1px solid var(--border);
      border-radius: 14px;
    }

    .cart-row h3 {
      margin: 0 0 5px;
      font-size: 16px;
    }

    .cart-meta {
      color: var(--muted);
      font-size: 13px;
    }

    .cart-total {
      margin: 20px 0;
      padding-top: 18px;
      border-top: 1px solid var(--border);
      font-size: 18px;
      font-weight: 850;
    }

    .checkout-message {
      display: none;
      margin-top: 14px;
      padding: 13px;
      border-radius: 12px;
      background: var(--accent-soft);
      color: #09563f;
      text-align: center;
    }

    .checkout-message.visible {
      display: block;
    }

    .preview-warning {
      margin: 18px 0;
      padding: 14px;
      border: 1px solid #e8c66a;
      border-radius: 13px;
      background: #fff8df;
      color: #725600;
      font-weight: 750;
      line-height: 1.45;
    }

    .preview-summary {
      display: grid;
      gap: 12px;
      margin: 20px 0;
    }

    .preview-row {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .preview-row span:first-child {
      color: var(--muted);
    }

    .preview-error {
      margin-top: 14px;
      color: var(--danger);
      text-align: center;
    }

    .empty-state {
      padding: 34px 18px;
      text-align: center;
    }

    .empty-state h2 {
      margin: 0 0 10px;
    }

    .empty-state p {
      margin: 0 0 20px;
      color: var(--muted);
      line-height: 1.55;
    }

    .test-toggle {
      display: block;
      margin: 14px auto 0;
      padding: 8px 10px;
      border: 1px dashed var(--border);
      border-radius: 10px;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      font-size: 12px;
    }

    .esim-card {
      margin-top: 18px;
      padding: 18px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--surface);
      box-shadow: var(--shadow);
    }

    .esim-card-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
    }

    .esim-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
    }

    .status-pill {
      display: inline-block;
      padding: 6px 9px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: #09563f;
      font-size: 12px;
      font-weight: 800;
    }

    .esim-facts {
      display: flex;
      gap: 8px;
      margin: 16px 0;
    }

    .secondary-action {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--accent);
      border-radius: 12px;
      background: white;
      color: var(--accent);
      cursor: pointer;
      font-weight: 850;
    }

    .qr-placeholder {
      display: grid;
      width: 180px;
      aspect-ratio: 1;
      margin: 22px auto;
      place-items: center;
      border: 14px solid white;
      border-radius: 12px;
      background:
        linear-gradient(90deg, #17201d 12px, transparent 12px) 0 0 / 30px 30px,
        linear-gradient(#17201d 12px, transparent 12px) 0 0 / 30px 30px,
        #dfe8e4;
      box-shadow: 0 0 0 1px var(--border);
      color: white;
      font-size: 11px;
      font-weight: 900;
      text-align: center;
      text-shadow: 0 1px 3px #000;
    }

    .iccid {
      padding: 12px;
      border-radius: 12px;
      background: #f3f7f5;
      font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
      font-size: 13px;
      overflow-wrap: anywhere;
    }

    .dev-esim-loader {
      display: grid;
      gap: 8px;
      margin-top: 20px;
      padding: 14px;
      border: 1px dashed var(--border);
      border-radius: 14px;
      background: var(--surface);
    }

    .dev-esim-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 8px;
    }

    .esim-load-status {
      margin-top: 16px;
    }

    .real-qr {
      display: block;
      width: min(100%, 260px);
      aspect-ratio: 1;
      margin: 22px auto;
      border: 12px solid white;
      border-radius: 12px;
      object-fit: contain;
      box-shadow: 0 0 0 1px var(--border);
    }

    .sensitive-block {
      display: grid;
      gap: 8px;
      margin-top: 18px;
    }

    .sensitive-value {
      padding: 12px;
      border-radius: 12px;
      background: #f3f7f5;
      color: var(--text);
      font-size: 12px;
      overflow-wrap: anywhere;
      user-select: all;
    }

    .copy-button {
      margin-top: 2px;
    }

    .bottom-nav {
      position: fixed;
      z-index: 10;
      right: 0;
      bottom: 0;
      left: 0;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      width: min(100%, 720px);
      margin: 0 auto;
      padding: 8px max(12px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
      border: 1px solid var(--border);
      border-bottom: 0;
      border-radius: 18px 18px 0 0;
      background: rgba(255, 255, 255, 0.96);
      box-shadow: 0 -8px 26px rgba(18, 53, 42, 0.08);
      backdrop-filter: blur(14px);
    }

    .nav-button {
      padding: 10px 4px;
      border: 0;
      border-radius: 10px;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      font-size: 12px;
      font-weight: 800;
    }

    .nav-button.active {
      background: var(--accent-soft);
      color: var(--accent-dark);
    }

    .app {
      padding-bottom: 112px;
    }

    @media (max-width: 430px) {
      .controls,
      .card {
        grid-template-columns: 1fr;
      }

      .load-button {
        width: 100%;
      }

      .offer {
        min-width: 0;
        flex-direction: row;
        align-items: center;
      }

      .detail-grid {
        grid-template-columns: 1fr;
      }

      .cart-row {
        align-items: flex-start;
        flex-direction: column;
      }

      .dev-esim-row {
        grid-template-columns: 1fr;
      }
    }