/* MailMeOnce — mobile-first temporary email UI.
   Light theme, system font stack, CSS custom properties. */

:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --ink: #10182a;
  --muted: #5b6577;
  --line: #e2e7f0;
  --brand: #0b5cff;
  --brand-ink: #ffffff;
  --ok: #12c48b;
  --warn: #d64545;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 42, .06), 0 8px 24px rgba(16, 24, 42, .06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: 640px; margin: 0 auto; padding: 0 16px; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: env(safe-area-inset-top) 0 0;
}
.header-inner {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
}
.brand { font-size: 1.25rem; font-weight: 800; letter-spacing: -.02em; }
.brand-tag { color: var(--muted); font-size: .9rem; }

/* Layout */
.app { padding-top: 18px; padding-bottom: 48px; display: grid; gap: 16px; }

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

.card-label { margin: 0 0 8px; color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; }

.address {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 600;
  word-break: break-all;
  color: var(--ink);
}
@media (min-width: 480px) { .address { font-size: 1.6rem; } }

.address-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.expiry { margin: 12px 0 0; }

/* Buttons */
.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 11px 16px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: #0a50e0; }
.btn-ghost { background: transparent; color: var(--brand); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); }
.btn-lg { width: 100%; padding: 14px 18px; font-size: 1.05rem; }
.btn-back { padding-left: 0; border: none; color: var(--muted); }
.btn.copied { background: var(--ok); border-color: var(--ok); color: #fff; }

/* Lock card */
.lock-card { text-align: center; }
.lock-title { margin: 0 0 6px; font-size: 1.15rem; }
.lock-card .btn { margin-top: 14px; }
.ad-disclosure { margin: 8px 0 0; color: var(--muted); font-size: .72rem; opacity: .8; }

/* Inbox */
.inbox-head { display: flex; align-items: center; gap: 10px; }
.inbox-head h1 { font-size: 1.15rem; margin: 4px 0 10px; }
.badge {
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  font-size: .8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.msg-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.msg-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
  width: 100%;
  font: inherit;
  color: inherit;
  display: grid;
  gap: 3px;
}
.msg-item:hover { border-color: var(--brand); }
.msg-item .from { font-weight: 700; display: flex; justify-content: space-between; gap: 10px; }
.msg-item .from .time { font-weight: 400; color: var(--muted); font-size: .8rem; white-space: nowrap; }
.msg-item .subject { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg-item.dir-out { border-left: 3px solid var(--ok); }
.empty { padding: 8px 2px; }
.compose-wrap { margin-top: 14px; }

/* Message view */
.msg-view .msg-subject { margin: 6px 0 4px; font-size: 1.25rem; word-break: break-word; }
.msg-meta { margin: 0 0 12px; word-break: break-word; }
.msg-actions { margin-bottom: 12px; }
.msg-body { border-top: 1px solid var(--line); padding-top: 12px; }
.msg-body pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  font-size: .92rem;
  margin: 0;
}
.msg-body iframe { width: 100%; border: 0; min-height: 320px; background: #fff; }

/* Compose */
.compose form { display: grid; gap: 12px; }
.compose label { display: grid; gap: 5px; font-weight: 600; font-size: .9rem; }
.compose input, .compose textarea {
  font: inherit;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcfe;
  color: var(--ink);
  width: 100%;
}
.compose textarea { resize: vertical; }
.compose input:focus, .compose textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.compose-hint { margin: 0; }

/* Ezoic ad slot */
.ezoicad { margin: 24px auto; max-width: 640px; padding: 0 16px; min-height: 1px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 28px 0 40px;
}
.site-footer h2 { font-size: 1.05rem; margin: 18px 0 6px; }
.site-footer p { color: var(--muted); margin: 0 0 10px; font-size: .95rem; }
.privacy-note { color: var(--ink) !important; background: #fff6f6; border: 1px solid #f3d6d6; border-radius: 10px; padding: 12px 14px; }
.footer-meta { margin-top: 18px; font-size: .85rem; }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: .95rem;
  box-shadow: var(--shadow);
  z-index: 40;
  max-width: calc(100% - 32px);
  text-align: center;
}
.toast.warn { background: var(--warn); }

/* Admin dashboard (owner-only; no ad scripts) */
.admin .wrap { max-width: 1100px; }
.admin-login { padding: 48px 16px; max-width: 420px; }
.admin-login h1 { margin: 0 0 6px; font-size: 1.25rem; }
.admin-login form { display: grid; gap: 14px; margin-top: 16px; }
.admin-label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; }
.admin-login input[type="password"] {
  font: inherit;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcfe;
  width: 100%;
}
.admin-error { color: var(--warn); margin: 10px 0 0; font-weight: 600; }
.admin-header { justify-content: space-between; align-items: center; }
.admin-main { padding: 18px 16px 48px; display: grid; gap: 16px; }
.admin-summary {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}
.admin-stat { padding: 14px 16px; }
.admin-stat-value { margin: 0; font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; }
.admin .card h2 { margin: 0 0 12px; font-size: 1.05rem; }
.admin-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  min-width: 520px;
}
.admin-table th, .admin-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  word-break: break-word;
}
.admin-table th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
.admin-mono { font-family: var(--mono); font-size: .82rem; }
.admin-dir {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--line);
}
.admin-dir-in { background: #e8f0ff; color: var(--brand); }
.admin-dir-out { background: #e6faf3; color: #0a8f66; }
.admin-you { color: var(--brand); font-weight: 700; font-size: .78rem; }
.admin-foot { margin: 4px 0 0; }