:root {
  --accent: #0d9488;
  --accent-2: #0f766e;
  --accent-soft: #f0fdfa;
  --text: #12352f;
  --muted: #4a6b64;
  --line: #d7e8e3;
  --bg: #eef6f3;
  --surface: #ffffff;
  --font: system-ui, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: linear-gradient(180deg, #e8f3ef, var(--bg));
}
.mail-door {
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.mail-door-card {
  width: min(100%, 22rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.5rem 1.35rem;
  box-shadow: 0 12px 32px rgba(16, 35, 31, .08);
  text-align: center;
}
.mail-mark { border-radius: 10px; margin-bottom: .75rem; }
.mail-door-card h1 { margin: 0 0 .35rem; font-size: 1.35rem; }
.mail-lede { margin: 0 0 1rem; color: var(--muted); font-size: .92rem; }
.mail-form { display: grid; gap: .75rem; text-align: left; }
.mail-field span {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: .25rem;
}
.mail-field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: .65rem;
  padding: .65rem .75rem;
  font: inherit;
  background: #fbfdfc;
  color: var(--text);
}
.pass-wrap {
  display: flex;
  align-items: center;
  gap: .35rem;
  border: 1px solid var(--line);
  border-radius: .65rem;
  padding: .2rem .45rem .2rem 0;
  background: #fbfdfc;
}
.pass-wrap input {
  border: 0;
  background: transparent;
  flex: 1;
  padding: .45rem .75rem;
}
.pass-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: .35rem;
  border-radius: .45rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pass-toggle:hover { color: var(--accent-2); background: var(--accent-soft); }
.pass-toggle[aria-pressed="true"] .eye-on { display: none; }
.pass-toggle[aria-pressed="true"] .eye-off { display: block; }
.pass-toggle[aria-pressed="false"] .eye-off { display: none; }
.pass-toggle[aria-pressed="false"] .eye-on { display: block; }
.mail-hint {
  margin: .75rem 0 0;
  font-size: .85rem;
  color: #b42318;
}
.mail-door-lang {
  display: flex;
  justify-content: center;
  gap: .25rem;
  margin-top: .75rem;
}
.mail-top {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .75rem 1rem;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(8px);
}
.mail-brand { font-weight: 800; }
.mail-grow { flex: 1; }
.mail-user { font-size: .82rem; color: var(--muted); max-width: 12rem; overflow: hidden; text-overflow: ellipsis; }
.mail-lang { display: flex; gap: .25rem; }
.mail-wrap { max-width: 40rem; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
.mail-wrap h1 { margin: 0 0 1rem; font-size: 1.25rem; }
.mail-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.mail-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: .75rem .85rem;
}
.mail-list strong { display: block; font-size: .95rem; }
.mail-list span { display: block; font-size: .82rem; color: var(--muted); margin-top: .2rem; }
.mail-empty { color: var(--muted); text-align: center; padding: 2rem 0; }
.mail-toast {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  z-index: var(--cd-z-toast, 200);
  background: var(--text);
  color: #f4fffb;
  padding: .55rem 1rem;
  border-radius: 999px;
  font-size: .88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.mail-toast.on { opacity: 1; }
.mail-tabs {
  display: flex;
  gap: .35rem;
  padding: .5rem 1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
}
.mail-tab {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  font-size: .85rem;
  padding: .45rem .85rem;
  border-radius: 999px;
  cursor: pointer;
}
.mail-tab.on {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  color: var(--accent-2);
}
.mail-quota {
  max-width: 48rem;
  margin: 0 auto;
  padding: .65rem 1rem .25rem;
  display: grid;
  gap: .4rem;
}
.mail-quota-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  gap: .5rem;
  align-items: center;
  font-size: .78rem;
}
.mail-quota-label { color: var(--muted); font-weight: 700; }
.mail-quota-bar {
  height: .35rem;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.mail-quota-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  transition: width .25s;
}
.mail-quota-val { color: var(--muted); font-size: .72rem; white-space: nowrap; }
.mail-panel { max-width: 48rem; margin: 0 auto; padding: 1rem 1rem 3rem; }
.mail-panel[hidden] { display: none !important; }
.mail-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .85rem;
}
.mail-toolbar h1 { margin: 0; font-size: 1.2rem; }
.mail-split {
  display: grid;
  gap: .75rem;
}
@media (min-width: 720px) {
  .mail-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
}
.mail-list-item {
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.mail-list-item:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.mail-list-item.sel {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.mail-read {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: .85rem 1rem;
  min-height: 12rem;
}
.mail-read-head h2 { margin: 0 0 .35rem; font-size: 1rem; }
.mail-read-meta { margin: 0; font-size: .8rem; color: var(--muted); }
.mail-read-body {
  margin-top: .75rem;
  font-size: .92rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.cloud-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}
.cloud-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: .5rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: .65rem;
  padding: .6rem .75rem;
}
.cloud-name { font-size: .9rem; overflow: hidden; text-overflow: ellipsis; }
.cloud-size { font-size: .78rem; color: var(--muted); }
.mail-upload-btn { cursor: pointer; }
.mail-compose-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: .65rem;
  padding: .65rem .75rem;
  font: inherit;
  background: #fbfdfc;
  color: var(--text);
  resize: vertical;
  min-height: 8rem;
}
.mail-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(12, 31, 28, .45);
  display: grid;
  place-items: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.mail-overlay.on {
  opacity: 1;
  pointer-events: auto;
}
.mail-overlay[hidden] { display: none !important; }
.mail-modal {
  width: min(100%, 26rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  box-shadow: 0 16px 40px rgba(16, 35, 31, .15);
}
.mail-modal-sm { width: min(100%, 20rem); }
.mail-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .75rem;
}
.mail-modal-head h2 { margin: 0; font-size: 1.05rem; }
.mail-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  margin-top: 1rem;
}
html[dir="rtl"] .mail-form { text-align: right; }
html[dir="rtl"] .mail-top { flex-direction: row-reverse; }
html[dir="rtl"] .mail-toolbar { flex-direction: row-reverse; }
html[dir="rtl"] .cloud-item { direction: rtl; }