/* §321 Mail: My classes → ✉️ Mail (the list, a conversation, the Write to students dialog). Shares the Tutor's cards (tt-*). */
.mail-head .sd-panel-head { align-items: center; }
.mail-limits { margin: 0; color: var(--muted); font-size: .9rem; }
.mail-row.is-unread strong { color: var(--accent); }
.mail-badge { display: inline-block; margin-left: 6px; padding: 1px 8px; border-radius: 999px; background: var(--green-soft); color: var(--green-dark); font-size: .72rem; font-weight: 700; vertical-align: middle; }
.mail-messages { display: grid; gap: 10px; margin: 10px 0 14px; }
.mail-msg { padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--paper); max-width: 90%; }
.mail-msg-in { background: var(--canvas); }
.mail-msg-out { margin-left: auto; }
.mail-msg-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin: 0 0 4px; font-size: .86rem; }
.mail-msg-head small { color: var(--muted); }
.mail-msg-text { color: var(--ink); line-height: 1.5; font-size: .95rem; overflow-wrap: anywhere; }
.mail-reply { display: grid; gap: 8px; }
.mail-modal { width: min(720px, calc(100vw - 28px)); display: grid; gap: 10px; }
.mail-who { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: var(--paper); }
.mail-who-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 0 0 6px; color: var(--ink); }
.mail-who-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); gap: 4px 12px; max-height: 180px; overflow: auto; }
.mail-who-row small { color: var(--muted); margin-left: 4px; overflow-wrap: anywhere; }
.mail-who-row.is-off { color: var(--muted); }
.mail-fields { display: flex; gap: 6px; flex-wrap: wrap; }
.mail-field { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .82rem; padding: 4px 10px; min-height: 0; }
.mail-link { display: grid; gap: 6px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); font-size: .92rem; }
.mail-link .ia-inline-check { align-items: flex-start; }
.mail-link input[type="radio"] { margin-top: 3px; accent-color: var(--accent); }
.mail-test { margin: 4px 0 0 24px; }