/* Acme Messenger — custom client, 1:1 with the provided glassmorphism mockup.
   Dark theme (primary). Palette/sizes lifted from Messenger.dc.html. */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  background: var(--page-bg);
  color: var(--text-1);
  overflow: hidden;
}
:root {
  --accent:#0a84ff; --accent-press:#0a6fe0; --accent-soft:rgba(10,132,255,.16);
  --page-bg:#06090f;
  --glass-window:rgba(18,23,34,.55);
  --rail:rgba(255,255,255,.026); --col:rgba(255,255,255,.014); --conv:rgba(255,255,255,.008);
  --text-1:rgba(255,255,255,.95); --text-2:rgba(255,255,255,.56); --text-3:rgba(255,255,255,.38);
  --border:rgba(255,255,255,.07); --border-2:rgba(255,255,255,.13);
  --hover:rgba(255,255,255,.05); --active:rgba(255,255,255,.085);
  --bubble-in:rgba(255,255,255,.07); --bubble-in-bd:rgba(255,255,255,.06);
  --field:rgba(255,255,255,.05);
  --shadow:0 50px 140px rgba(0,0,0,.62), 0 0 0 1px rgba(255,255,255,.05) inset;
}

/* drifting color blobs */
.blob { position: fixed; border-radius: 50%; filter: blur(90px); opacity: .9; z-index: 0; pointer-events: none; }
@keyframes drift1 {0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(8vw,6vh) scale(1.15)}}
@keyframes drift2 {0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-7vw,-5vh) scale(1.1)}}
@keyframes drift3 {0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(5vw,-7vh) scale(1.2)}}
.scroll::-webkit-scrollbar { width: 8px; }
.scroll::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 8px; }
.scroll::-webkit-scrollbar-track { background: transparent; }
@keyframes pop {0%{transform:translateY(8px) scale(.97);opacity:0}100%{transform:none;opacity:1}}

/* glass window */
.window {
  position: fixed; inset: 22px; border-radius: 30px; overflow: hidden; display: flex;
  background: var(--glass-window);
  backdrop-filter: blur(48px) saturate(180%); -webkit-backdrop-filter: blur(48px) saturate(180%);
  border: 1px solid var(--border-2); box-shadow: var(--shadow); z-index: 1;
}
.hidden { display: none !important; }

/* ── left rail ── */
.rail { width: 74px; flex: none; display: flex; flex-direction: column; align-items: center; padding: 18px 0; gap: 8px; background: var(--rail); border-right: 1px solid var(--border); }
.rail .logo { width: 40px; height: 40px; border-radius: 13px; background: linear-gradient(135deg,var(--accent),#5e5ce6); display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px var(--accent-soft); margin-bottom: 14px; color: #fff; }
.rail button { width: 46px; height: 46px; border-radius: 14px; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; background: transparent; color: var(--text-2); transition: background .15s, color .15s; }
.rail button:hover { background: var(--hover); }
.rail button.active { background: var(--accent-soft); color: var(--accent); }
.rail .spacer { flex: 1; }
.rail .me { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg,#0a84ff,#5e5ce6); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 600; margin-top: 4px; box-shadow: 0 0 0 2px var(--border-2); }

/* ── chat list ── */
.chatlist { width: clamp(286px,27vw,340px); flex: none; display: flex; flex-direction: column; background: var(--col); border-right: 1px solid var(--border); }
.chatlist-pad { padding: 24px 22px 14px; }
.chatlist-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.chatlist-head h1 { margin: 0; font-size: 23px; font-weight: 700; letter-spacing: -.02em; }
.iconbtn { width: 34px; height: 34px; border-radius: 11px; border: 1px solid var(--border-2); background: var(--field); color: var(--text-1); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.iconbtn:hover { background: var(--hover); }
.search { display: flex; align-items: center; gap: 9px; height: 40px; padding: 0 13px; border-radius: 13px; background: var(--field); border: 1px solid var(--border); color: var(--text-3); font-size: 14px; }
.tabs { display: flex; gap: 6px; margin-top: 12px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { padding: 5px 11px; border-radius: 9px; border: 1px solid var(--border); background: transparent; color: var(--text-2); font-size: 12px; font-weight: 600; cursor: pointer; transition: all .15s; white-space: nowrap; flex: none; line-height: 1.35; }
.tabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chats { flex: 1; overflow-y: auto; padding: 4px 12px 14px; }
.chat-row { width: 100%; text-align: left; display: flex; gap: 11px; align-items: center; padding: 7px 12px; border-radius: 14px; border: none; cursor: pointer; background: transparent; margin-bottom: 1px; transition: background .15s; }
.chat-row:hover { background: var(--hover); }
.chat-row.active { background: var(--active); }
.avatar { border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 600; flex: none; }
.chat-row .avatar { width: 44px; height: 44px; font-size: 15px; }
/* pending invitation row (Accept / Decline) */
.invite-row { background: var(--accent-soft); }
.invite-row .chat-main { flex: 1; min-width: 0; }
.invite-tag { font-size: 10px; background: var(--accent); color: #fff; border-radius: 6px; padding: 1px 6px; margin-left: 6px; font-weight: 600; vertical-align: middle; }
.invite-acts { display: flex; gap: 6px; align-items: center; margin-left: auto; flex: none; }
.invite-accept { background: var(--accent); color: #fff; border: none; border-radius: 9px; padding: 7px 13px; font-size: 12.5px; font-weight: 600; cursor: pointer; }
.invite-accept:hover { filter: brightness(1.07); }
.invite-decline { background: var(--field); color: var(--text-2); border: none; border-radius: 9px; width: 32px; height: 32px; font-size: 14px; cursor: pointer; flex: none; }
.invite-decline:hover { filter: brightness(1.1); }
.invite-accept:disabled, .invite-decline:disabled { opacity: .5; cursor: default; }
.chat-main { flex: 1; min-width: 0; }
.chat-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.chat-name { font-size: 14.5px; font-weight: 600; color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-time { font-size: 11.5px; color: var(--text-3); flex: none; }
.chat-bottom { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 3px; }
.chat-last { font-size: 13px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.badge { flex: none; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--accent); color: #fff; font-size: 11.5px; font-weight: 700; display: flex; align-items: center; justify-content: center; }

/* ── conversation ── */
.conv { flex: 1; min-width: 0; display: flex; flex-direction: column; background: var(--conv); position: relative; }
.conv-head { height: 74px; flex: none; display: flex; align-items: center; gap: 13px; padding: 0 22px; border-bottom: 1px solid var(--border); backdrop-filter: blur(10px); }
.conv-head .avatar { width: 44px; height: 44px; font-size: 15px; }
.conv-title { flex: 1; min-width: 0; }
.conv-name { font-size: 15.5px; font-weight: 600; letter-spacing: -.01em; }
.conv-status { font-size: 12.5px; color: var(--text-2); margin-top: 2px; }
.conv-actions { display: flex; gap: 6px; }
.conv-actions button { width: 40px; height: 40px; border-radius: 13px; border: 1px solid var(--border-2); background: var(--field); color: var(--text-1); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.conv-actions button:hover { background: var(--hover); }
.messages { flex: 1; overflow-y: auto; padding: 26px 28px; display: flex; flex-direction: column; gap: 3px; }
.daysep { text-align: center; margin: 2px 0 14px; }
.daysep span { font-size: 11.5px; color: var(--text-3); background: var(--field); padding: 5px 12px; border-radius: 20px; }
.msg { display: flex; gap: 9px; align-items: flex-end; animation: pop .25s ease; }
.msg.out { justify-content: flex-end; }
.msg .avatar { width: 28px; height: 28px; font-size: 10.5px; }
.msg-col { max-width: min(62%,520px); min-width: 0; display: flex; flex-direction: column; }
.msg.out .msg-col { align-items: flex-end; }
.msg-author { font-size: 11.5px; font-weight: 600; margin: 0 0 4px 4px; }
.bubble { padding: 10px 14px; border-radius: 18px 18px 18px 6px; background: var(--bubble-in); color: var(--text-1); border: 1px solid var(--bubble-in-bd); font-size: 14.5px; line-height: 1.45; overflow-wrap: break-word; word-break: break-word; }
.msg.out .bubble { border-radius: 18px 18px 6px 18px; background: var(--accent); color: #fff; border-color: transparent; box-shadow: 0 6px 18px var(--accent-soft); }
.msg-time { font-size: 11px; color: var(--text-3); margin: 5px 4px 0; }
.msg-enc { font-style: italic; color: var(--text-3); }

/* composer */
.composer-wrap { flex: none; padding: 14px 20px 18px; }
.composer { display: flex; align-items: flex-end; gap: 4px; padding: 5px 6px 5px 10px; border-radius: 20px; background: var(--field); border: 1px solid var(--border-2); }
.composer textarea { flex: 1; min-width: 0; border: none; outline: none; background: transparent; color: var(--text-1); font-size: 14.5px; font-family: inherit; resize: none; line-height: 1.4; padding: 8px 4px; min-height: 22px; max-height: 140px; overflow-y: auto; }
.composer textarea::placeholder { color: var(--text-3); }
.composer .ghost { width: 36px; height: 36px; border-radius: 12px; border: none; background: transparent; color: var(--text-2); cursor: pointer; display: flex; align-items: center; justify-content: center; flex: none; }
.composer .ghost:hover { background: var(--hover); }
.composer .send { width: 40px; height: 40px; border-radius: 14px; border: none; background: var(--accent); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; flex: none; box-shadow: 0 6px 16px var(--accent-soft); }
.composer .send:hover { background: var(--accent-press); }

/* login overlay */
.login-overlay { position: fixed; inset: 0; z-index: 10; display: flex; align-items: center; justify-content: center; }
.login-card { width: 360px; background: var(--glass-window); backdrop-filter: blur(48px) saturate(180%); -webkit-backdrop-filter: blur(48px) saturate(180%); border: 1px solid var(--border-2); border-radius: 26px; box-shadow: var(--shadow); padding: 34px 30px; }
.login-logo { width: 56px; height: 56px; border-radius: 17px; background: linear-gradient(135deg,var(--accent),#5e5ce6); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; color: #fff; box-shadow: 0 10px 28px var(--accent-soft); }
.login-card h2 { text-align: center; margin: 0 0 4px; font-size: 21px; font-weight: 700; }
.login-card .sub { text-align: center; color: var(--text-2); font-size: 13px; margin-bottom: 22px; }
.login-card label { display: block; font-size: 12px; color: var(--text-3); margin: 12px 0 5px; }
.login-card input { width: 100%; height: 44px; padding: 0 14px; border-radius: 13px; background: var(--field); border: 1px solid var(--border-2); color: var(--text-1); font-size: 14.5px; outline: none; }
.login-card input:focus { border-color: var(--accent); }
.login-card .primary { width: 100%; height: 46px; margin-top: 20px; border-radius: 14px; border: none; background: linear-gradient(135deg,var(--accent),#5e5ce6); color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; }
.login-card .err { color: #ff5b55; font-size: 12.5px; margin-top: 12px; text-align: center; min-height: 16px; }
.muted-center { text-align: center; color: var(--text-3); font-size: 12px; margin-top: 14px; }

/* ── auth: login ⇄ register ─────────────────────────────────────────────── */
.login-card .primary:disabled { opacity: .5; cursor: not-allowed; }
.auth-switch { text-align: center; color: var(--text-3); font-size: 12.5px; margin-top: 16px; }
.auth-switch a { color: var(--accent); text-decoration: none; font-weight: 600; }
.auth-switch a:hover { text-decoration: underline; }
.reg-info { font-size: 12.5px; line-height: 1.45; color: var(--text-2); background: var(--field); border: 1px solid var(--border-2); border-radius: 13px; padding: 11px 13px; margin: 4px 0 4px; }
.mxid-preview { font-size: 12px; color: var(--text-2); margin-top: 7px; min-height: 15px; word-break: break-all; }
.mxid-preview b { color: var(--text-1); font-weight: 600; }
.field-hint { font-size: 11.5px; margin-top: 5px; min-height: 14px; color: var(--text-3); line-height: 1.35; }
.field-hint.ok { color: #30d158; }
.field-hint.bad { color: #ff6b63; }
.reg-captcha-field { margin-top: 14px; }
#regCaptcha { min-height: 78px; }   /* reserve space so the form doesn't jump while reCAPTCHA loads */
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 42px; }
.pw-toggle { position: absolute; right: 7px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; border: none; background: transparent; color: var(--text-3); cursor: pointer; display: flex; align-items: center; justify-content: center; border-radius: 9px; }
.pw-toggle:hover { color: var(--text-1); background: var(--field); }
.pw-meter { height: 5px; border-radius: 3px; background: var(--field); margin-top: 9px; overflow: hidden; }
.pw-bar { height: 100%; width: 0; border-radius: 3px; transition: width .22s ease, background .22s ease; }
.pw-label { font-size: 11.5px; margin-top: 6px; min-height: 14px; color: var(--text-3); }

/* search input */
.search input { flex: 1; min-width: 0; border: none; outline: none; background: transparent; color: var(--text-1); font-size: 14px; font-family: inherit; }
.search input::placeholder { color: var(--text-3); }
.tabs button { cursor: pointer; }

/* toast */
.toast { position: fixed; bottom: 42px; left: 50%; transform: translateX(-50%); background: rgba(18,23,34,.92); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); border: 1px solid var(--border-2); color: var(--text-1); padding: 11px 18px; border-radius: 14px; font-size: 13.5px; z-index: 50; box-shadow: 0 12px 40px rgba(0,0,0,.5); animation: pop .2s ease; }

/* modal dialog (glass) */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-overlay { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; background: rgba(6,9,15,.55); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); animation: fadeIn .15s ease; }
.modal-card { width: 380px; max-width: calc(100vw - 40px); background: var(--glass-window); -webkit-backdrop-filter: blur(48px) saturate(180%); backdrop-filter: blur(48px) saturate(180%); border: 1px solid var(--border-2); border-radius: 22px; box-shadow: var(--shadow); padding: 24px 24px 20px; animation: pop .2s ease; }
.modal-title { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.modal-label { display: block; font-size: 12px; color: var(--text-3); margin: 16px 0 6px; }
.modal-text { color: var(--text-2); font-size: 13.5px; margin-top: 10px; line-height: 1.5; }
.modal-input { width: 100%; height: 44px; padding: 0 14px; border-radius: 13px; background: var(--field); border: 1px solid var(--border-2); color: var(--text-1); font-size: 14.5px; outline: none; font-family: inherit; }
.modal-input:focus { border-color: var(--accent); }
/* native <select> dropdown options need a SOLID bg (var(--field) is translucent → white-on-white text). */
select option { background-color: #1b2130; color: #f2f5fa; }
:root[data-theme="light"] select option { background-color: #ffffff; color: #0f172a; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.modal-ghost { height: 40px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--border-2); background: var(--field); color: var(--text-1); font-size: 14px; font-weight: 600; cursor: pointer; }
.modal-ghost:hover { background: var(--hover); }
.modal-primary { height: 40px; padding: 0 20px; border-radius: 12px; border: none; background: linear-gradient(135deg,var(--accent),#5e5ce6); color: #fff; font-size: 14px; font-weight: 700; cursor: pointer; }
.modal-primary.danger { background: linear-gradient(135deg,#ff453a,#ff375f); }

/* ── light theme (palette from the mockup) ── */
:root[data-theme="light"]{
  --accent:#0a84ff; --accent-press:#0a6fe0; --accent-soft:rgba(10,132,255,.12);
  --page-bg:#e8ecf4;
  --glass-window:rgba(255,255,255,.62);
  --rail:rgba(255,255,255,.42); --col:rgba(255,255,255,.28); --conv:rgba(255,255,255,.12);
  --text-1:#0c1424; --text-2:rgba(15,23,42,.62); --text-3:rgba(15,23,42,.42);
  --border:rgba(15,23,42,.08); --border-2:rgba(15,23,42,.12);
  --hover:rgba(15,23,42,.04); --active:rgba(15,23,42,.07);
  --bubble-in:rgba(255,255,255,.85); --bubble-in-bd:rgba(15,23,42,.05);
  --field:rgba(15,23,42,.05);
  --shadow:0 50px 110px rgba(20,30,60,.20), 0 0 0 1px rgba(255,255,255,.6) inset;
}
.rail #themeToggle svg { display:block; }

/* ── info panel ── */
.infopanel { width: 300px; flex: none; background: var(--col); border-left: 1px solid var(--border); overflow-y: auto; padding: 26px 20px 20px; }
.infopanel .ip-avatar { width: 84px !important; height: 84px !important; border-radius: 26px; margin: 0 auto 14px; font-size: 30px; }
.infopanel .ip-name { text-align: center; font-size: 17px; font-weight: 650; color: var(--text-1); }
.infopanel .ip-sub { text-align: center; font-size: 12.5px; color: var(--text-3); margin-top: 3px; }
.infopanel .ip-sect { margin-top: 24px; font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-3); margin-bottom: 6px; }
.infopanel .ip-member { display: flex; align-items: center; gap: 10px; padding: 7px 6px; border-radius: 11px; cursor: pointer; }
.infopanel .ip-member:hover { background: var(--hover); }
.infopanel .ip-member .avatar { width: 34px !important; height: 34px !important; border-radius: 11px; font-size: 12px; flex: none; }
.infopanel .ip-member .nm { font-size: 13.5px; color: var(--text-1); font-weight: 550; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.infopanel .ip-member .rl { font-size: 11px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.infopanel .ip-tag { margin-left: auto; font-size: 10.5px; padding: 2px 8px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-weight: 600; flex: none; }

/* ── security / key backup ── */
.reckey { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 14px; letter-spacing: 1px; background: var(--field); border: 1px solid var(--border-2); border-radius: 12px; padding: 14px; margin-top: 8px; word-break: break-all; color: var(--text-1); text-align: center; user-select: all; line-height: 1.6; }
.sec-list { margin: 6px 0 4px; }
.sec-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 2px; border-bottom: 1px solid var(--border); font-size: 13.5px; color: var(--text-2); }
.sec-row:last-child { border-bottom: none; }
.sec-row b { color: var(--text-1); font-weight: 600; }
#secBtn.attention { color: #ff9f0a; position: relative; }
#secBtn.attention::after { content: ""; position: absolute; top: 7px; right: 9px; width: 8px; height: 8px; border-radius: 50%; background: #ff375f; box-shadow: 0 0 0 2px var(--rail); }

/* ── settings dialog ── */
.modal-card.wide { width: min(460px, 92vw); }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 2px; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--text-1); }
.set-row:last-of-type { border-bottom: none; }
.switch { position: relative; width: 42px; height: 24px; flex: none; cursor: pointer; }
.switch input { display: none; }
.switch span { position: absolute; inset: 0; background: var(--field); border: 1px solid var(--border-2); border-radius: 999px; transition: .15s; }
.switch span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: .15s; box-shadow: 0 1px 3px rgba(0,0,0,.3); }
.switch input:checked + span { background: var(--accent); border-color: var(--accent); }
.switch input:checked + span::after { transform: translateX(18px); }
.swatches { display: flex; gap: 7px; }
.swatches .sw { width: 22px; height: 22px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; }
.swatches .sw.on { border-color: var(--text-1); box-shadow: 0 0 0 2px var(--glass-window); }
.seg { display: flex; background: var(--field); border-radius: 10px; padding: 2px; }
.seg button { border: none; background: transparent; color: var(--text-2); font-size: 12.5px; padding: 6px 10px; border-radius: 8px; cursor: pointer; }
.seg button.on { background: var(--accent); color: #fff; }
.set-row select { background: var(--field); border: 1px solid var(--border-2); color: var(--text-1); border-radius: 9px; padding: 6px 10px; font-size: 13px; }
.set-row input[type=range] { accent-color: var(--accent); }

/* ── templates popup ── */
.pop { position: absolute; bottom: 82px; left: 16px; width: 264px; max-height: 300px; overflow: auto; background: var(--glass-window); backdrop-filter: blur(30px) saturate(160%); -webkit-backdrop-filter: blur(30px) saturate(160%); border: 1px solid var(--border-2); border-radius: 14px; box-shadow: var(--shadow); padding: 6px; z-index: 50; }
.pop-title { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-3); padding: 6px 8px; }
.pop-item { display: flex; align-items: center; gap: 6px; padding: 8px; border-radius: 9px; cursor: pointer; font-size: 13px; color: var(--text-1); }
.pop-item:hover { background: var(--hover); }
.pop-item span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pop-del { border: none; background: transparent; color: var(--text-3); cursor: pointer; opacity: .6; font-size: 12px; }
.pop-del:hover { color: #ff375f; opacity: 1; }
.pop-empty { padding: 10px 8px; color: var(--text-3); font-size: 12.5px; }
.pop-add { width: 100%; margin-top: 4px; border: none; background: var(--accent-soft); color: var(--accent); border-radius: 9px; padding: 9px; font-size: 13px; font-weight: 600; cursor: pointer; }

/* ── density ── */
:root[data-density="compact"] .chat-row { padding-top: 4px; padding-bottom: 4px; }
:root[data-density="compact"] .chat-row .avatar { width: 36px; height: 36px; font-size: 13px; }
:root[data-density="compact"] .chat-name { font-size: 13.5px; }
:root[data-density="compact"] .chat-last { font-size: 12px; }
:root[data-density="compact"] .chat-bottom { margin-top: 1px; }
:root[data-density="compact"] .msg { margin-bottom: 2px; }
:root[data-density="spacious"] .chat-row { padding-top: 13px; padding-bottom: 13px; }
:root[data-density="spacious"] .chat-row .avatar { width: 50px; height: 50px; }
:root[data-density="spacious"] .msg { margin-bottom: 12px; }

/* ── autocomplete popup ── */
.pop.ac .ac-item { justify-content: space-between; }
.pop.ac .ac-item.on { background: var(--accent-soft); }
.ac-sub { font-size: 11px; color: var(--text-3); margin-left: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 130px; flex: none; }

/* ── message actions, reactions, edit/delete (block B / wave 2a) ── */
.msg { position: relative; }
.edited { font-size: 11px; color: var(--text-3); }
.msg.out .edited { color: rgba(255,255,255,.7); }
.msg-actions { position: absolute; top: -13px; right: 8px; display: flex; gap: 1px; background: var(--glass-window); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--border-2); border-radius: 10px; padding: 2px; box-shadow: 0 4px 14px rgba(0,0,0,.18); opacity: 0; pointer-events: none; transition: opacity .12s; z-index: 6; }
.msg.out .msg-actions { right: auto; left: 8px; }
.msg:hover .msg-actions { opacity: 1; pointer-events: auto; }
.msg-actions button { border: none; background: transparent; cursor: pointer; font-size: 14px; width: 26px; height: 26px; border-radius: 7px; display: flex; align-items: center; justify-content: center; padding: 0; line-height: 1; }
.msg-actions button:hover { background: var(--hover); }
.msg-actions button.more { color: var(--text-2); font-size: 18px; }
.reactions { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 5px; }
.msg.out .reactions { justify-content: flex-end; }
.react-pill { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--border-2); background: var(--field); border-radius: 12px; padding: 2px 8px; font-size: 12.5px; cursor: pointer; color: var(--text-1); line-height: 1.4; }
.react-pill:hover { border-color: var(--accent); }
.react-pill.mine { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.react-pill b { font-weight: 700; }
.msgmenu { position: fixed; bottom: auto; width: 236px; max-height: none; overflow: visible; z-index: 100; }
.msgmenu .pop-item { padding: 8px 12px; }
.mm-reacts { display: flex; gap: 1px; padding: 3px 2px 6px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.mm-reacts button { flex: 1 1 0; min-width: 0; border: none; background: transparent; font-size: 17px; height: 32px; border-radius: 8px; cursor: pointer; padding: 0; }
.mm-reacts button:hover { background: var(--hover); }
.mm-more { color: var(--text-2); font-size: 15px !important; font-weight: 700; }
.emoji-picker { position: fixed; width: 300px; display: grid; grid-template-columns: repeat(8, 1fr); gap: 1px; padding: 6px; z-index: 130; }
.emoji-picker button { border: none; background: transparent; font-size: 20px; width: 100%; aspect-ratio: 1; border-radius: 8px; cursor: pointer; }
.emoji-picker button:hover { background: var(--hover); }

/* ── reply, typing, read receipts (wave 2b) ── */
.reply-quote { display: flex; flex-direction: column; gap: 1px; border-left: 3px solid var(--accent); padding: 2px 8px; margin-bottom: 4px; border-radius: 4px; background: var(--hover); cursor: pointer; max-width: 340px; }
.msg.out .reply-quote { background: rgba(255,255,255,.14); border-left-color: rgba(255,255,255,.65); }
.rq-name { font-size: 12px; font-weight: 600; color: var(--accent); }
.msg.out .rq-name { color: #fff; }
.rq-text { font-size: 12.5px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.msg.out .rq-text { color: rgba(255,255,255,.85); }
.reply-banner { display: flex; align-items: center; gap: 10px; padding: 8px 12px; margin: 0 0 8px; background: var(--field); border: 1px solid var(--border); border-radius: 12px; }
.reply-banner .rb-bar { width: 3px; align-self: stretch; background: var(--accent); border-radius: 2px; }
.reply-banner .rb-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.reply-banner .rb-x { border: none; background: transparent; color: var(--text-3); cursor: pointer; font-size: 14px; flex: none; }
.reply-banner .rb-x:hover { color: var(--text-1); }
.typing-ind { padding: 2px 24px 4px; font-size: 12.5px; color: var(--text-3); font-style: italic; }
.read-mark { font-size: 11px; color: var(--accent); margin-top: 2px; align-self: flex-end; }
.msg.flash .bubble { animation: flashbg 1.2s ease; }
@keyframes flashbg { 25% { box-shadow: 0 0 0 3px var(--accent-soft); } }

/* ── message formatting (markdown render) ── */
.bubble code { background: rgba(127,127,127,.20); padding: 1px 5px; border-radius: 5px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }
.bubble pre { background: rgba(127,127,127,.16); padding: 10px 12px; border-radius: 10px; overflow-x: auto; margin: 5px 0; }
.bubble pre code { background: none; padding: 0; font-size: 12.5px; line-height: 1.5; display: block; white-space: pre; }
.bubble a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.msg:not(.out) .bubble a { color: var(--accent); }
.bubble del { opacity: .7; }
.spoiler { background: var(--text-1); color: transparent; border-radius: 4px; cursor: pointer; transition: color .1s, background .1s; }
.spoiler.revealed { background: rgba(127,127,127,.16); color: inherit; }
.msg.out .spoiler { background: #fff; }
.msg.out .spoiler.revealed { background: rgba(255,255,255,.2); }

/* ── pin / forward / bookmarks (wave 2c-1) ── */
.head-actions { display: flex; gap: 4px; }
.pinned-bar { display: flex; align-items: center; gap: 10px; padding: 9px 18px; background: var(--col); border-bottom: 1px solid var(--border); color: var(--accent); cursor: pointer; flex: none; }
.pinned-bar:hover { background: var(--hover); }
.pinned-bar .pin-body { display: flex; flex-direction: column; min-width: 0; }
.pinned-bar .pin-title { font-size: 11px; font-weight: 600; color: var(--accent); }
.pinned-bar .pin-text { font-size: 12.5px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fwd-list { max-height: 320px; overflow-y: auto; margin: 8px 0; display: flex; flex-direction: column; gap: 2px; }
.fwd-row { display: flex; align-items: center; gap: 10px; padding: 8px; border: none; background: transparent; border-radius: 10px; cursor: pointer; color: var(--text-1); font-size: 14px; text-align: left; width: 100%; }
.fwd-row:hover { background: var(--hover); }
.fwd-row .avatar { width: 34px !important; height: 34px !important; font-size: 12px; flex: none; }
.bm-row { display: flex; align-items: center; gap: 8px; padding: 9px 8px; border-radius: 10px; }
.bm-row:hover { background: var(--hover); }
.bm-row .bm-body { flex: 1; min-width: 0; display: flex; flex-direction: column; cursor: pointer; }
.bm-sender { font-size: 12px; font-weight: 600; color: var(--accent); }
.bm-text { font-size: 13px; color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── polls (wave 2c-2) ── */
.poll { background: var(--bubble-in); border: 1px solid var(--bubble-in-bd); border-radius: 16px; padding: 12px 14px; min-width: 240px; max-width: 320px; }
.msg.out .poll { background: rgba(255,255,255,.14); border-color: transparent; }
.poll-q { font-weight: 600; font-size: 14px; margin-bottom: 10px; color: var(--text-1); }
.msg.out .poll-q { color: #fff; }
.poll-opt { position: relative; display: flex; align-items: center; width: 100%; border: 1px solid var(--border-2); background: transparent; border-radius: 10px; padding: 8px 10px; margin-bottom: 6px; cursor: pointer; overflow: hidden; text-align: left; color: var(--text-1); font-size: 13px; }
.msg.out .poll-opt { color: #fff; border-color: rgba(255,255,255,.3); }
.poll-opt.chosen { border-color: var(--accent); }
.po-fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent-soft); transition: width .35s; z-index: 0; }
.msg.out .po-fill { background: rgba(255,255,255,.22); }
.po-text { position: relative; z-index: 1; flex: 1; }
.po-cnt { position: relative; z-index: 1; font-size: 11.5px; opacity: .85; margin-left: 8px; }
.poll-foot { font-size: 11.5px; color: var(--text-3); margin-top: 2px; }
.msg.out .poll-foot { color: rgba(255,255,255,.7); }

/* ── self-destruct + voice (wave 2c-3) ── */
#ttlBtn { position: relative; }
#ttlBtn.on { color: #ff9f0a; }
#ttlBtn .ttl-lab { position: absolute; bottom: 2px; right: 2px; font-size: 8.5px; font-weight: 700; }
#voiceBtn.recording { color: #ff375f; animation: recpulse 1s ease-in-out infinite; }
@keyframes recpulse { 50% { opacity: .4; } }
.ttl-badge { font-size: 11px; color: #ff9f0a; margin-top: 2px; }
.msg.out .ttl-badge { color: #ffd60a; align-self: flex-end; }

/* ── navigation: quick switcher, chat flags, unread (block C) ── */
.qs-overlay { align-items: flex-start; padding-top: 12vh; }
.qs-card { width: min(520px, 92vw); }
.qs-list { max-height: 50vh; overflow-y: auto; margin-top: 10px; display: flex; flex-direction: column; gap: 2px; }
.qs-item { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 10px; cursor: pointer; font-size: 14px; color: var(--text-1); }
.qs-item.on, .qs-item:hover { background: var(--accent-soft); }
.qs-item .avatar { width: 34px !important; height: 34px !important; font-size: 12px; flex: none; }
.chat-pin { font-size: 11px; }
.chat-mute { font-size: 12px; opacity: .6; margin-right: 4px; }
.archive-row { opacity: .8; }
.archive-row .avatar { display: flex; align-items: center; justify-content: center; font-size: 16px; }
.unread-divider { display: flex; align-items: center; gap: 10px; margin: 10px 0; color: var(--accent); font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.unread-divider::before, .unread-divider::after { content: ""; flex: 1; height: 1px; background: var(--accent); opacity: .35; }
.saved-av { background: linear-gradient(135deg,#ffd60a,#ff9f0a) !important; color: #fff !important; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.fp-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 8px; border-radius: 10px; cursor: pointer; font-size: 14px; color: var(--text-1); }
.fp-row:hover { background: var(--hover); }
.fp-row input { accent-color: var(--accent); width: 18px; height: 18px; cursor: pointer; }

/* ── search results + media gallery (block D) ── */
.srch-item { padding: 9px 10px; border-radius: 10px; cursor: pointer; }
.srch-item:hover { background: var(--hover); }
.srch-top { display: flex; justify-content: space-between; font-size: 11.5px; margin-bottom: 2px; }
.srch-room { color: var(--accent); font-weight: 600; }
.srch-time { color: var(--text-3); }
.srch-body { font-size: 13px; color: var(--text-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.srch-body b { color: var(--text-2); font-weight: 600; }
.gal-tabs { display: flex; gap: 4px; margin: 8px 0; }
.gal-tabs button { border: none; background: var(--field); color: var(--text-2); font-size: 12.5px; padding: 6px 12px; border-radius: 9px; cursor: pointer; }
.gal-tabs button.active { background: var(--accent); color: #fff; }
#galBody { max-height: 46vh; overflow-y: auto; }
.gal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.gal-img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; cursor: pointer; }
.gal-file, .gal-link { display: block; padding: 9px 10px; border-radius: 9px; color: var(--text-1); text-decoration: none; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gal-file:hover, .gal-link:hover { background: var(--hover); }
.gal-link { color: var(--accent); }
.gal-file span { color: var(--text-3); font-size: 11.5px; margin-left: 6px; }

/* ── lightbox + annotation (block E) ── */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,.88); display: flex; align-items: center; justify-content: center; }
.lb-stage { max-width: 92vw; max-height: 86vh; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.lb-img { max-width: 92vw; max-height: 86vh; transition: transform .05s; cursor: grab; user-select: none; }
.lb-close { position: absolute; top: 18px; right: 22px; }
.lb-prev, .lb-next { position: absolute; top: 50%; transform: translateY(-50%); font-size: 34px !important; }
.lb-prev { left: 20px; } .lb-next { right: 20px; }
.lb-close, .lb-prev, .lb-next, .lb-bar button, .lb-bar .lb-dl { background: rgba(255,255,255,.14); color: #fff; border: none; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; font-size: 20px; display: flex; align-items: center; justify-content: center; text-decoration: none; }
.lb-close:hover, .lb-prev:hover, .lb-next:hover, .lb-bar button:hover, .lb-bar .lb-dl:hover { background: rgba(255,255,255,.28); }
.lb-bar { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; }
.pdf-frame { width: 90vw; height: 90vh; border: none; border-radius: 10px; background: #fff; }
.lightbox.anno { flex-direction: column; gap: 12px; }
.anno-tools { display: flex; align-items: center; gap: 8px; background: var(--glass-window); backdrop-filter: blur(20px); padding: 8px 12px; border-radius: 14px; border: 1px solid var(--border-2); width: min(1100px, 92vw); }
.anno-tools button[data-tool], .anno-tools #annoUndo { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border-2); background: var(--field); color: var(--text-1); cursor: pointer; font-size: 16px; }
.anno-tools button[data-tool].active { background: var(--accent); color: #fff; border-color: var(--accent); }
.anno-tools #annoColor { width: 38px; height: 38px; border: none; border-radius: 10px; background: none; cursor: pointer; padding: 0; }
.anno-tools .modal-ghost, .anno-tools .modal-primary { height: 38px; padding: 0 16px; border-radius: 10px; }
.anno-stage { max-height: 74vh; overflow: auto; border-radius: 12px; background: #222; }
.anno-stage canvas { display: block; cursor: crosshair; }

/* ── profile / presence / hotkeys (block I) ── */
.prof-head { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.prof-av { width: 72px; height: 72px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 26px; font-weight: 600; background-position: center; background-size: cover; }
.prof-id { font-size: 12px; color: var(--text-3); margin-top: 6px; word-break: break-all; }
.pc-name { font-size: 17px; font-weight: 650; color: var(--text-1); }
.pc-pres { font-size: 12.5px; color: var(--text-2); margin-top: 4px; }
.modal-label { display: block; font-size: 12px; color: var(--text-2); margin: 10px 0 4px; }
.hk-btn { height: 34px; padding: 0 14px; border-radius: 9px; border: 1px solid var(--border-2); background: var(--field); color: var(--accent); font-size: 13px; font-weight: 600; cursor: pointer; }
.hk-btn:hover { border-color: var(--accent); }

/* ── translator + dictation (services #12) ── */
.translation { margin-top: 5px; padding: 7px 11px; border-radius: 12px; background: var(--accent-soft); color: var(--text-1); font-size: 13.5px; max-width: min(72%, 520px); }
.msg.out .translation { align-self: flex-end; background: rgba(255,255,255,.18); color: #fff; }
.tr-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .5px; color: var(--accent); font-weight: 700; margin-right: 6px; }
.msg.out .tr-label { color: rgba(255,255,255,.9); }
#dictBtn.recording { color: #ff375f; animation: recpulse 1s ease-in-out infinite; }

/* ── PWA offline / failed send (block M) ── */
.offline-bar { position: fixed; top: 0; left: 0; right: 0; z-index: 300; background: #ff9f0a; color: #1a1200; text-align: center; padding: 7px; font-size: 13px; font-weight: 700; }
.msg.failed { opacity: .8; }
.msg.failed .bubble::after { content: " ⚠"; color: #ff453a; }
.msg.failed .msg-col { cursor: pointer; }

/* ── composer "+" menu (compact) ── */
#plusBtn.has-ttl { color: #ff9f0a; }
.plusmenu { position: absolute; bottom: 78px; left: 16px; width: 182px; z-index: 50; }
.plusmenu .pop-item { padding: 8px 12px 8px 9px; gap: 10px; justify-content: flex-start; }
.plusmenu [data-lbl] { flex: 1; min-width: 0; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.plusmenu .pm-ico { width: 18px; text-align: center; font-size: 15px; flex: none; }

/* ── voice recording bar + custom audio player ── */
.composer.recording textarea, .composer.recording #plusBtn { display: none; }
.rec-bar { flex: 1; display: flex; align-items: center; gap: 10px; padding: 7px 6px; min-height: 38px; }
.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: #ff375f; flex: none; animation: recpulse 1.1s ease-in-out infinite; }
.rec-time { font-variant-numeric: tabular-nums; font-size: 14px; color: var(--text-1); font-weight: 600; flex: none; }
.rec-hint { font-size: 12.5px; color: var(--text-3); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rec-cancel { border: none; background: transparent; color: var(--text-3); cursor: pointer; font-size: 15px; flex: none; }
.rec-cancel:hover { color: #ff375f; }
#voiceBtn.rec-send { color: var(--accent); }
.voice-player { display: flex; align-items: center; gap: 10px; min-width: 200px; max-width: 260px; }
.vp-play { width: 34px; height: 34px; border-radius: 50%; border: none; background: var(--accent-soft); color: var(--accent); cursor: pointer; display: flex; align-items: center; justify-content: center; flex: none; }
.msg.out .vp-play { background: rgba(255,255,255,.25); color: #fff; }
.vp-track { flex: 1; height: 4px; background: var(--border-2); border-radius: 3px; cursor: pointer; position: relative; }
.msg.out .vp-track { background: rgba(255,255,255,.3); }
.vp-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--accent); border-radius: 3px; }
.msg.out .vp-fill { background: #fff; }
.vp-time { font-size: 11.5px; color: var(--text-2); font-variant-numeric: tabular-nums; flex: none; min-width: 32px; }
.msg.out .vp-time { color: rgba(255,255,255,.85); }
.qs-box { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.qs-name { font-size: 13.5px; font-weight: 600; color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.qs-sub { font-size: 12px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── stickers ── */
.bubble.sticker-bubble { background: transparent !important; border: none !important; box-shadow: none !important; padding: 0 !important; }
.sticker-img { width: 132px; height: 132px; object-fit: contain; display: block; }
.sticker-panel { position: absolute; bottom: 78px; right: 16px; left: auto; width: 348px; height: 392px; display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.sp-seg { flex: none; display: flex; gap: 4px; padding: 8px 8px 2px; }
.sp-seg button { flex: 1; padding: 7px; border: none; background: transparent; color: var(--text-2); font-size: 13px; font-weight: 600; border-radius: 10px; cursor: pointer; font-family: inherit; }
.sp-seg button.on { background: var(--accent-soft); color: var(--accent); }
.sp-emoji-grid { grid-template-columns: repeat(8, 1fr) !important; gap: 1px !important; }
.sp-emoji { border: none; background: transparent; font-size: 22px; aspect-ratio: 1; border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 0; }
.sp-emoji:hover { background: var(--hover); }
.sp-grid { flex: 1; overflow-y: auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 10px; align-content: start; }
.sp-sticker { border: none; background: transparent; border-radius: 12px; cursor: pointer; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; padding: 6px; }
.sp-sticker:hover { background: var(--hover); }
.sp-sticker img { max-width: 100%; max-height: 100%; object-fit: contain; }
.sp-empty { grid-column: 1 / -1; text-align: center; color: var(--text-3); font-size: 13px; padding: 42px 12px; }
.sp-tabs { flex: none; display: flex; gap: 2px; padding: 6px 8px; border-top: 1px solid var(--border); overflow-x: auto; scrollbar-width: none; }
.sp-tabs::-webkit-scrollbar { display: none; }
.sp-tabs button { flex: none; width: 34px; height: 34px; border: none; background: transparent; border-radius: 9px; cursor: pointer; font-size: 17px; display: flex; align-items: center; justify-content: center; padding: 4px; }
.sp-tabs button.on, .sp-tabs button:hover { background: var(--hover); }
.sp-tabs button img { max-width: 100%; max-height: 100%; object-fit: contain; }
.sp-manage { color: var(--text-2); font-weight: 700; }
.sm-actions { display: flex; gap: 8px; margin: 10px 0; }
.sm-packs { margin: 8px 0; display: flex; flex-direction: column; gap: 4px; max-height: 220px; overflow-y: auto; }
.sm-pack { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border-radius: 10px; background: var(--field); font-size: 13px; }
.modal-card label { display: block; font-size: 12.5px; color: var(--text-2); margin: 12px 0 5px; }
.ghostbtn { border: 1px solid var(--border-2); background: transparent; color: var(--text-2); border-radius: 11px; padding: 9px 14px; cursor: pointer; font-size: 13px; font-family: inherit; }
.ghostbtn:hover { background: var(--hover); }
.sm-del { border: 1px solid var(--border-2); background: transparent; color: var(--text-2); border-radius: 9px; padding: 6px 12px; cursor: pointer; font-size: 12.5px; font-family: inherit; }
.sm-del:hover { color: #ff453a; border-color: #ff453a; }