/* secure-chat.css — the Slack-style secure messaging screen (secure-chat.js). */
.sc{--sc-line:var(--line,#dce9f5);--sc-ink:var(--navy,#0d2c49);--sc-soft:#566a80;--sc-acc:#1f72bd;--sc-bg:#fff;
  display:grid;grid-template-columns:300px 1fr;height:min(78vh,820px);min-height:520px;background:var(--sc-bg);border:1px solid var(--sc-line);border-radius:18px;overflow:hidden;color:var(--sc-ink)}
.sc button{font:inherit;cursor:pointer}
.sc-side{display:flex;flex-direction:column;border-right:1px solid var(--sc-line);background:linear-gradient(180deg,#0d2c49,#10365a);color:#e8f1fa;min-height:0}
.sc-side-head{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 6px}
.sc-side-head h3{margin:0;font-size:1.05rem;color:#fff}
.sc-new{background:#8fc6f0;color:#0d2c49;border:0;border-radius:999px;padding:7px 14px;font-weight:700;font-size:13px}
.sc-new:disabled{opacity:.5;cursor:not-allowed}
.sc-e2e{margin:0 16px 8px;font-size:12px;color:#9cc3e4;display:flex;align-items:center;gap:4px}
.sc-all{display:flex;align-items:center;gap:6px;margin:0 16px 8px;font-size:12px;color:#c6dcef}
.sc-list{overflow-y:auto;padding:4px 8px 12px;flex:1;min-height:0}
.sc-conv{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:0;background:transparent;color:inherit;border-radius:12px;text-align:left}
.sc-conv:hover{background:rgba(255,255,255,.08)}
.sc-conv.on{background:rgba(143,198,240,.22)}
.sc-conv.unread b{color:#fff}
.sc-conv-t{display:flex;flex-direction:column;min-width:0;flex:1}
.sc-conv-t b{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sc-conv-t small{font-size:12px;opacity:.72;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sc-conv.unread .sc-conv-t b{font-weight:800}
.sc-badge{background:#e0463a;color:#fff;font-size:11px;font-weight:800;border-radius:999px;padding:2px 7px}
.sc-av{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;letter-spacing:.02em}
.sc-av-gap{flex:none;width:36px}
.sc-empty{color:var(--sc-soft);font-size:14px;padding:16px;text-align:center}
.sc-side .sc-empty{color:#9cc3e4}

.sc-main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
.sc-main.sc-drop::after{content:"Drop to attach — encrypted before upload";position:absolute;inset:10px;border:2px dashed var(--sc-acc);border-radius:14px;background:rgba(31,114,189,.08);display:grid;place-items:center;font-weight:700;color:var(--sc-acc);pointer-events:none}
.sc-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--sc-line)}
.sc-head h3{margin:0;font-size:1rem}
.sc-head-t{display:flex;flex-direction:column;min-width:0}
.sc-head-t b{font-size:15px}
.sc-head-t small{color:var(--sc-soft);font-size:12px}
.sc-warn{color:#8a5a00!important}
.sc-back{display:none;border:0;background:transparent;font-size:20px;color:var(--sc-ink);padding:2px 8px}
.sc-feed{flex:1;overflow-y:auto;padding:8px 0 12px;min-height:0}
.sc-day{position:sticky;top:0;z-index:1;margin:10px auto 4px;width:max-content;font-size:12px;font-weight:700;color:var(--sc-soft);background:#fff;border:1px solid var(--sc-line);border-radius:999px;padding:3px 12px}
.sc-msg{position:relative;display:flex;gap:10px;padding:6px 18px 4px}
.sc-msg.grouped{padding-top:1px}
.sc-msg:hover{background:#f5f9fd}
.sc-body{min-width:0;flex:1}
.sc-meta{display:flex;align-items:baseline;gap:8px}
.sc-meta b{font-size:14px}
.sc-meta time{font-size:12px;color:var(--sc-soft)}
.sc-text{margin:1px 0 0;font-size:15px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}
.sc-link{color:var(--sc-acc);text-decoration:underline;word-break:break-all}
.sc-gone{margin:2px 0;font-size:13px;color:var(--sc-soft);font-style:italic}
.sc-img{display:block;margin:6px 0;padding:0;border:1px solid var(--sc-line);border-radius:12px;overflow:hidden;background:#eef4fa;max-width:min(360px,100%)}
.sc-img img{display:block;max-width:100%;max-height:320px;min-height:60px;object-fit:cover}
.sc-file{display:flex;align-items:center;gap:10px;margin:6px 0;padding:10px 14px;border:1px solid var(--sc-line);border-radius:12px;background:#fff;max-width:min(380px,100%);text-align:left;color:inherit}
.sc-file:hover{border-color:var(--sc-acc)}
.sc-file-ic{font-size:24px}
.sc-file small{color:var(--sc-soft)}
.sc-reacts{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}
.sc-react{border:1px solid var(--sc-line);background:#f5f9fd;border-radius:999px;padding:1px 8px;font-size:13px;color:inherit}
.sc-react.on{border-color:var(--sc-acc);background:#e6f1fb}
.sc-tools{position:absolute;right:16px;top:-12px;display:none;background:#fff;border:1px solid var(--sc-line);border-radius:10px;box-shadow:0 6px 18px -10px rgba(13,44,73,.4);padding:2px}
.sc-tools button{border:0;background:transparent;padding:4px 7px;border-radius:8px;font-size:15px;color:inherit}
.sc-tools button:hover{background:#eef4fa}
.sc-msg:hover .sc-tools,.sc-msg:focus-within .sc-tools{display:flex}
@media (hover:none){.sc-tools{position:static;display:flex;border:0;box-shadow:none;background:transparent;margin-left:auto;align-self:flex-start}}
.sc-picker{position:fixed;z-index:9700;width:292px;max-height:240px;overflow-y:auto;display:grid;grid-template-columns:repeat(8,1fr);gap:2px;padding:8px;background:#fff;border:1px solid #dce9f5;border-radius:14px;box-shadow:0 18px 40px -18px rgba(13,44,73,.45)}
.sc-picker button{border:0;background:transparent;font-size:20px;padding:4px;border-radius:8px;cursor:pointer}
.sc-picker button:hover{background:#eef4fa}

.sc-compose{border-top:1px solid var(--sc-line);padding:10px 14px 8px}
.sc-compose.busy{opacity:.6;pointer-events:none}
.sc-compose-row{display:flex;align-items:flex-end;gap:6px;border:1px solid var(--sc-line);border-radius:14px;padding:6px;background:#fff}
.sc-compose-row:focus-within{border-color:var(--sc-acc);box-shadow:0 0 0 3px rgba(31,114,189,.12)}
.sc-input{flex:1;border:0;outline:0;resize:none;font:inherit;font-size:15px;line-height:1.4;padding:7px 4px;max-height:180px;background:transparent;color:inherit}
.sc-icon{border:0;background:transparent;font-size:19px;padding:6px 7px;border-radius:10px}
.sc-icon:hover{background:#eef4fa}
.sc-send{border:0;background:var(--sc-ink);color:#fff;font-weight:700;border-radius:10px;padding:8px 14px}
.sc-hint{margin:5px 4px 0;font-size:11.5px;color:var(--sc-soft)}
.sc-tray{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.sc-tray:empty{display:none}
.sc-pend{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--sc-line);border-radius:10px;padding:4px 6px;font-size:12.5px;max-width:220px;background:#f5f9fd}
.sc-pend img{width:32px;height:32px;object-fit:cover;border-radius:6px}
.sc-pend span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sc-pend button{border:0;background:transparent;font-size:16px;color:var(--sc-soft)}
.sc-ro{margin:0;padding:12px 16px;border-top:1px solid var(--sc-line);color:var(--sc-soft);font-size:13px}
.sc-err{color:#b4443a;font-size:13px;margin:6px 0 0}

.sc-blank,.sc-unlock{margin:auto;max-width:420px;padding:32px 24px;text-align:center;display:grid;gap:10px;justify-items:center}
.sc-blank h3,.sc-unlock h3{margin:0;font-size:1.25rem}
.sc-blank p,.sc-unlock p{margin:0;color:var(--sc-soft);line-height:1.55;font-size:14.5px}
.sc-blank-lock{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;font-size:30px;background:linear-gradient(160deg,#e6f1fb,#cfe4f6)}
.sc-unlock input{width:100%;max-width:300px;padding:11px 12px;border:1px solid var(--sc-line);border-radius:10px;font:inherit}

.sc-pick{display:flex;flex-direction:column;min-height:0;height:100%;padding-bottom:12px}
.sc-search{margin:10px 16px 0;padding:10px 12px;border:1px solid var(--sc-line);border-radius:10px;font:inherit}
.sc-chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 16px 0}
.sc-chips:empty{display:none}
.sc-chip{border:0;background:#e6f1fb;color:var(--sc-ink);border-radius:999px;padding:4px 10px;font-size:13px;font-weight:600}
.sc-people{flex:1;overflow-y:auto;margin:8px 8px;min-height:0}
.sc-group{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--sc-soft);padding:10px 10px 4px}
.sc-person{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;border-radius:12px;padding:8px 10px;text-align:left;color:inherit}
.sc-person:hover{background:#f5f9fd}
.sc-person.on{background:#e6f1fb;box-shadow:inset 0 0 0 2px var(--sc-acc)}
.sc-person small{color:var(--sc-soft)}
.sc-pick .btn{margin:0 16px;align-self:flex-start}

.sc-lb{position:fixed;inset:0;z-index:9800;background:rgba(6,18,32,.9);display:grid;place-items:center;padding:20px}
.sc-lb img{max-width:100%;max-height:92vh;border-radius:10px}
.sc-lb-x{position:absolute;top:14px;right:16px;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:26px;width:44px;height:44px;border-radius:50%;cursor:pointer}

@media (max-width:760px){
  .sc{grid-template-columns:1fr;height:calc(100vh - 150px);min-height:480px}
  .sc-main{display:none}
  .sc.sc-open .sc-side{display:none}
  .sc.sc-open .sc-main{display:flex}
  .sc-back{display:inline-block}
  .sc-msg{padding-left:12px;padding-right:12px}
}