/* Mail — inbox rail + reader stage */

.mail-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.mail-modal.hidden {
  display: none;
}

body.mail-modal-open {
  overflow: hidden;
}

.mail-modal-backdrop {
  position: absolute;
  inset: 0;
  /* Pre-existing functional modal scrim */
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(30, 32, 36, 0.35), transparent 70%),
    rgba(6, 7, 8, 0.72);
}

.mail-modal-panel {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  height: min(82vh, 720px);
  max-height: min(82vh, 720px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
}

.mail-modal-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-elev);
}

.mail-modal-heading {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mail-modal-kicker {
  margin: 0;
  font-size: 10px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
}

.mail-modal-title {
  margin: 0;
  font-size: 20px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-tight);
  color: var(--text);
  line-height: 1.15;
}

.mail-modal-bar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.mail-modal-close {
  flex: 0 0 auto;
}

.mail-modal-body {
  min-height: 0;
  flex: 1 1 auto;
  overflow: hidden;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
}

.mail-rail {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  border-right: 1px solid var(--border-soft);
  background: var(--bg-elev);
}

.mail-rail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px 8px;
  flex: 0 0 auto;
}

.mail-rail-label {
  margin: 0;
  font-size: 9px;
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
}

.mail-rail-count {
  margin: 0;
  font-size: 10px;
  font-weight: var(--fw-semi);
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.mail-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
  flex: 1 1 auto;
  overflow: auto;
  padding: 0 8px 12px;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.mail-stage {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 40%, transparent), transparent 48px),
    var(--surface);
}

.mail-reader {
  min-height: 0;
  flex: 1 1 auto;
  overflow: auto;
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mail-reader.is-empty {
  align-items: center;
  justify-content: center;
}

.mail-settings-link {
  appearance: none;
  border: 1px solid var(--border-soft);
  background: var(--bg-elev);
  color: var(--text-muted);
  font: inherit;
  font-size: 11px;
  font-weight: var(--fw-semi);
  text-decoration: none;
  cursor: pointer;
  padding: 7px 11px;
  border-radius: calc(var(--radius) - 2px);
  transition:
    color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}

.mail-settings-link:hover {
  color: var(--text);
  background: var(--surface-2);
  border-color: var(--border);
}

.mail-settings-link:active {
  transform: scale(0.98);
}

.mail-settings-link.hidden {
  display: none;
}

html[data-theme="light"] .mail-modal-backdrop {
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(255, 255, 255, 0.2), transparent 70%),
    rgba(20, 21, 24, 0.42);
}

html[data-theme="light"] .mail-rail {
  background: var(--bg-elev);
}

@media (max-width: 760px) {
  .mail-modal {
    padding: 0;
    align-items: stretch;
  }

  .mail-modal-panel {
    width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  .mail-modal-body {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 42%) minmax(0, 1fr);
  }

  .mail-rail {
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
  }
}