/* Virtual Mailbox — Premium purchase flow */

.mailbox-page {
  max-width: 860px;
  margin: 0 auto;
  padding-bottom: 60px;
}

/* ── Hero ─────────────────────────────────────────────── */

.mailbox-hero {
  text-align: center;
  padding: 36px 20px 28px;
}

.mailbox-hero-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0 0 8px;
}

.mailbox-hero-sub {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.55;
  max-width: 520px;
  margin: 0 auto;
}

/* ── Progress Stepper ─────────────────────────────────── */

.mailbox-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 0 auto 32px;
  position: relative;
  max-width: 360px;
}

.mailbox-stepper-line {
  position: absolute;
  top: 50%;
  left: 24px;
  right: 24px;
  height: 2px;
  background: var(--border-color);
  z-index: 0;
}

.mailbox-stepper-dot {
  position: relative;
  z-index: 1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  transition: all 0.3s ease;
  flex: 1;
  max-width: 32px;
  margin: 0 auto;
}

.mailbox-stepper-dot + .mailbox-stepper-dot {
  margin-left: auto;
}

.mailbox-stepper-dot.active {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(var(--accent-color-rgb), 0.15);
}

.mailbox-stepper-dot.done {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

/* ── Step Cards ───────────────────────────────────────── */

.mailbox-step-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 20px;
  animation: mailbox-slide-in 0.35s ease-out;
}

@keyframes mailbox-slide-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mailbox-step-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.mailbox-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(var(--accent-color-rgb), 0.12);
  color: var(--accent-color);
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
}

.mailbox-step-num.accent {
  background: var(--accent-color);
  color: #fff;
}

.mailbox-step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0 0 2px;
}

.mailbox-step-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

.text-accent {
  color: var(--accent-color);
  font-weight: 600;
}

/* ── Country Grid ─────────────────────────────────────── */

.mailbox-country-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}

.mailbox-country-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 18px 8px;
  border: 2px solid var(--border-color);
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font: inherit;
  color: inherit;
  text-align: center;
}

.mailbox-country-card:hover {
  border-color: rgba(var(--accent-color-rgb), 0.5);
  background: rgba(var(--accent-color-rgb), 0.04);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.mailbox-country-card.selected {
  border-color: var(--accent-color);
  background: rgba(var(--accent-color-rgb), 0.08);
  box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.2);
}

.mailbox-flag {
  font-size: 2.5rem;
  line-height: 1;
}

.mailbox-country-label {
  font-weight: 600;
  font-size: 13px;
  color: var(--heading-color);
}

/* ── Region Grid ──────────────────────────────────────── */

.mailbox-region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.mailbox-region-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 22px 16px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font: inherit;
  color: inherit;
  text-align: center;
}

.mailbox-region-card:hover {
  border-color: rgba(var(--accent-color-rgb), 0.5);
  background: rgba(var(--accent-color-rgb), 0.04);
}

.mailbox-region-card.selected {
  border-color: var(--accent-color);
  background: rgba(var(--accent-color-rgb), 0.08);
  box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.2);
}

.mailbox-region-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--heading-color);
}

.mailbox-region-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: var(--success-color, #22c55e);
  letter-spacing: 0.02em;
}

/* ── Product Grid ─────────────────────────────────────── */

.mailbox-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.mailbox-product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 28px 20px;
  border: 2px solid var(--border-color);
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font: inherit;
  color: inherit;
  text-align: center;
}

.mailbox-product-card:hover {
  border-color: rgba(var(--accent-color-rgb), 0.5);
  background: rgba(var(--accent-color-rgb), 0.04);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.mailbox-product-card.selected {
  border-color: var(--accent-color);
  background: rgba(var(--accent-color-rgb), 0.08);
  box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.2);
}

.mailbox-product-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--heading-color);
}

.mailbox-product-price {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-color);
}

.mailbox-product-stock {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Checkout ─────────────────────────────────────────── */

.mailbox-checkout {
  border-color: rgba(var(--accent-color-rgb), 0.3);
  background: rgba(var(--accent-color-rgb), 0.03);
}

.mailbox-order-summary {
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.mailbox-order-summary:empty {
  display: none;
}

.mailbox-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-color);
  border-bottom: 1px solid var(--border-color);
}

.mailbox-summary-row:last-child {
  border-bottom: none;
}

.mailbox-summary-label {
  color: var(--text-muted);
  font-weight: 500;
}

.mailbox-summary-total {
  background: rgba(var(--accent-color-rgb), 0.06);
  font-weight: 700;
  font-size: 15px;
}

.mailbox-summary-total span:last-child {
  color: var(--accent-color);
  font-size: 18px;
}

.mailbox-pay-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.mailbox-coin-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}

.mailbox-coin-select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.15);
}

.mailbox-buy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 12px;
}

.mailbox-buy-icon {
  font-size: 18px;
}

.mailbox-auth-prompt {
  text-align: center;
}

.mailbox-auth-prompt > p:first-child {
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ── Loading & Empty ──────────────────────────────────── */

.mailbox-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 14px;
}

.mailbox-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: mailbox-spin 0.6s linear infinite;
}

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

.mailbox-empty-state {
  text-align: center;
  padding: 28px 16px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Features (features-8 grid) ──────────────────────── */

.mailbox-features {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.mailbox-features-heading {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0 0 28px;
}

.mbx-feat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.mbx-feat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px 24px;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.mbx-feat-card:hover {
  border-color: rgba(var(--accent-color-rgb), 0.3);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.mbx-feat-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0 0 6px;
}

.mbx-feat-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* --- Secure card --- */

.mbx-feat-secure {
  grid-column: span 3;
  text-align: center;
}

.mbx-feat-icon-ring {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  position: relative;
  margin: 0 auto 16px;
}

.mbx-feat-icon-ring::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  opacity: 0.5;
}

.mbx-feat-icon-ring-sm {
  width: 44px;
  height: 44px;
  margin: 0 0 14px;
}

.mbx-feat-icon-ring-sm::before {
  inset: -6px;
}

/* --- Speed card --- */

.mbx-feat-speed {
  grid-column: span 3;
  text-align: center;
}

.mbx-feat-chart {
  padding: 16px 0 8px;
}

/* --- Wide cards --- */

.mbx-feat-wide {
  grid-column: span 3;
}

.mbx-feat-wide-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  height: 100%;
}

.mbx-feat-wide-left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.mbx-feat-wide-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(var(--accent-color-rgb), 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  position: relative;
}

/* --- Flags visual --- */

.mbx-feat-dots {
  display: flex;
  gap: 5px;
  position: absolute;
  top: 10px;
  left: 12px;
}

.mbx-feat-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: rgba(var(--accent-color-rgb), 0.1);
}

.mbx-feat-flags-text {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.mbx-feat-flags-text span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-color);
  background: rgba(var(--accent-color-rgb), 0.06);
}

/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 900px) {
  .mbx-feat-secure,
  .mbx-feat-speed {
    grid-column: span 3;
  }
  .mbx-feat-wide {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .mailbox-step-card {
    padding: 20px;
  }

  .mailbox-country-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }

  .mailbox-region-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .mailbox-product-grid {
    grid-template-columns: 1fr;
  }

  .mailbox-hero-title {
    font-size: 1.5rem;
  }

  .mbx-feat-grid {
    grid-template-columns: 1fr;
  }

  .mbx-feat-secure,
  .mbx-feat-speed,
  .mbx-feat-wide {
    grid-column: span 1;
  }

  .mbx-feat-wide-inner {
    grid-template-columns: 1fr;
  }
}

/* --- Flag images --- */
.mailbox-flag-img {
  border-radius: 4px;
  object-fit: cover;
  display: block;
  margin: 0 auto 8px;
}