/* =============================================================
   politech◆app · v1.3 design system
   tokens · typography · app shell · components
   ============================================================= */

:root{
  --bg:#F2EEE6;
  --chat-bg:#EAE5DA;
  --surface:#FFFFFF;
  --bubble-self:#FFE5D2;
  --ink:#1A1A1A;
  --ink-2:#3A3A3A;
  --mute:#888070;
  --line:rgba(0,0,0,.06);
  --line-2:rgba(0,0,0,.10);
  --line-3:rgba(0,0,0,.16);
  --spark:#FF5C00;
  --spark-soft:rgba(255,92,0,.08);
  --spark-soft-2:rgba(255,92,0,.16);
  --pulse:#0FA958;
  --pulse-soft:rgba(15,169,88,.1);
  --coral:#E03C50;
  --coral-soft:rgba(224,60,80,.1);
  --cobalt:#2563EB;
  --cobalt-soft:rgba(37,99,235,.08);
  --gold:#D4A017;
  --gold-soft:rgba(212,160,23,.12);
  --violet:#7B61FF;
  --violet-soft:rgba(123,97,255,.1);
  --code-bg:#1A1A1A;

  /* === GLASS TOKENS v2.1 === */
  --glass-bg:rgba(255,255,255,.62);
  --glass-bg-strong:rgba(255,255,255,.78);
  --glass-bg-deep:rgba(255,255,255,.92);
  --glass-tint:rgba(242,238,230,.62);
  --glass-border:rgba(0,0,0,.05);
  --glass-shadow:0 8px 30px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.025);
  --glass-shadow-soft:0 2px 12px rgba(0,0,0,.03);
  --glass-blur:blur(22px) saturate(1.6);
  --glass-blur-soft:blur(14px) saturate(1.3);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:'Geist',-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;letter-spacing:-.005em;min-height:100vh}
body{display:flex;flex-direction:column}

button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;letter-spacing:-.005em}
input,textarea,select{font:inherit;color:inherit;border:none;outline:none;background:none;letter-spacing:-.005em}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}

code,.mono{font-family:'Geist Mono',ui-monospace,'SF Mono',monospace;letter-spacing:0}

/* =============== APP SHELL =============== */

.app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
@media(max-width:920px){.app{grid-template-columns:1fr}}

.side{background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;height:100vh;position:sticky;top:0;overflow-y:auto}
@media(max-width:920px){.side{position:static;height:auto}}

.side-brand{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;font-size:17px;font-weight:600;letter-spacing:-.015em}
.side-brand .mk{display:inline-block;width:9px;height:9px;background:var(--spark);transform:rotate(45deg);border-radius:1px}

.side-search{padding:12px 16px;border-bottom:1px solid var(--line)}
.side-search input{width:100%;padding:8px 12px;background:var(--bg);border-radius:8px;font-size:13px}
.side-search input::placeholder{color:var(--mute)}

.side-nav{padding:10px 8px;flex:1;overflow-y:auto}
.side-nav .navlbl{font-family:'Geist Mono',monospace;font-size:9.5px;color:var(--mute);font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:14px 12px 6px;display:flex;justify-content:space-between;align-items:center}
.side-nav .navlbl .ct{color:var(--spark)}
.side-nav .navlnk{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-2);font-weight:500}
.side-nav .navlnk:hover{background:var(--bg)}
.side-nav .navlnk.active{background:var(--ink);color:var(--bg)}
.side-nav .navlnk .ic{font-size:14px;width:18px;text-align:center;flex-shrink:0}

.side-foot{padding:12px 16px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px}
.side-foot .av{width:34px;height:34px;border-radius:50%;background:#7B9CD9;color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Geist Mono',monospace;font-weight:700;font-size:11px;flex-shrink:0}
.side-foot .info{flex:1;min-width:0}
.side-foot .info .nm{font-size:13px;font-weight:600;letter-spacing:-.005em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-foot .info .ds{font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);font-weight:500}
.side-foot .cog{width:32px;height:32px;border-radius:7px;display:flex;align-items:center;justify-content:center;color:var(--mute);font-size:14px;flex-shrink:0}
.side-foot .cog:hover{color:var(--ink);background:var(--bg)}

.main{display:flex;flex-direction:column;min-height:100vh;overflow-x:hidden}

.topbar{padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:10}
.topbar .ti h1{font-size:17px;font-weight:600;letter-spacing:-.01em}
.topbar .ti p{font-family:'Geist Mono',monospace;font-size:11px;color:var(--mute);font-weight:500;margin-top:2px}
.topbar .acts{margin-left:auto;display:flex;gap:6px}
.topbar .acts .btn-ic{width:34px;height:34px;border-radius:8px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--ink-2)}
.topbar .acts .btn-ic:hover{background:var(--ink);color:var(--bg)}
.topbar .acts .btn-ic.spark{background:var(--spark);color:#fff;width:auto;padding:0 14px;font-family:'Geist Mono',monospace;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;gap:5px}

.page{padding:32px 24px;flex:1}
.page-narrow{max-width:840px;margin:0 auto}
.page-wide{max-width:1180px;margin:0 auto}

/* =============== TYPOGRAPHY HELPERS =============== */

h1.title{font-size:clamp(28px,3.5vw,40px);font-weight:600;letter-spacing:-.025em;line-height:1.1;margin-bottom:14px}
h2.subtitle{font-size:22px;font-weight:600;letter-spacing:-.015em;margin-bottom:10px}
h3{font-size:17px;font-weight:600;letter-spacing:-.01em}
.lead{font-size:16px;color:var(--ink-2);line-height:1.55}
.section-pre{font-family:'Geist Mono',monospace;font-size:11px;letter-spacing:.16em;color:var(--mute);text-transform:uppercase;margin-bottom:12px;font-weight:600}
.lbl{font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);font-weight:700;letter-spacing:.08em;text-transform:uppercase;display:block;margin-bottom:8px}

/* =============== AVATARS WITH LEVELS =============== */

.av{position:relative;width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-family:'Geist Mono',monospace;font-weight:700;font-size:12px;color:#fff;background:#7B9CD9;flex-shrink:0}
.av.sm{width:28px;height:28px;font-size:10px}
.av.lg{width:54px;height:54px;font-size:16px}
.av.xl{width:88px;height:88px;font-size:24px}

.av.l1{box-shadow:0 0 0 2px var(--cobalt);background:var(--cobalt-soft);color:var(--cobalt)}
.av.l2{box-shadow:0 0 0 2px var(--gold);background:var(--gold-soft);color:var(--gold)}
.av.l3{box-shadow:0 0 0 2px var(--spark);background:var(--spark-soft);color:var(--spark)}
.av.violet{box-shadow:0 0 0 2px var(--violet);background:var(--violet-soft);color:var(--violet)}
.av.pulse{box-shadow:0 0 0 2px var(--pulse);background:var(--pulse-soft);color:var(--pulse)}

.av .lvm{position:absolute;bottom:-3px;right:-3px;width:16px;height:16px;border-radius:50%;border:2px solid var(--surface);font-family:'Geist Mono',monospace;font-size:8.5px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;line-height:1}
.av .lvm.l1{background:var(--cobalt)}
.av .lvm.l2{background:var(--gold)}
.av .lvm.l3{background:var(--spark)}

.av.crown::before{content:"★";position:absolute;top:-10px;left:50%;transform:translateX(-50%);color:var(--spark);font-size:11px}

/* avatar stack */
.av-stack{display:flex}
.av-stack .av{margin-left:-8px;border:2px solid var(--surface)}
.av-stack .av:first-child{margin-left:0}

/* =============== BUTTONS =============== */

.btn{padding:11px 18px;background:var(--ink);color:var(--bg);border-radius:9px;font-size:13.5px;font-weight:600;letter-spacing:-.005em;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:background .12s,transform .08s}
.btn:hover{background:var(--spark)}
.btn:active{transform:scale(.98)}
.btn.spark{background:var(--spark);color:#fff}
.btn.spark:hover{background:#E04E00}
.btn.ghost{background:transparent;border:1px solid var(--line-2);color:var(--ink)}
.btn.ghost:hover{background:var(--bg);border-color:var(--ink)}
.btn.full{width:100%}
.btn.lg{padding:14px 22px;font-size:14.5px}
.btn.sm{padding:8px 12px;font-size:12.5px}
.btn.danger{background:var(--coral);color:#fff}

/* =============== FORM FIELDS =============== */

.field{margin-bottom:16px}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;background:var(--surface);border:1px solid var(--line-2);border-radius:9px;font-size:14px;color:var(--ink);transition:border-color .12s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--spark)}
.field input::placeholder,.field textarea::placeholder{color:var(--mute)}
.field .help{font-size:12px;color:var(--mute);margin-top:6px;line-height:1.45}
.field-row{display:flex;gap:10px;align-items:stretch}
.field-row > *{flex:1}

/* radio cards */
.choice-grid{display:grid;gap:10px}
.choice-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.choice-grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:560px){.choice-grid.cols-3,.choice-grid.cols-2{grid-template-columns:1fr}}
.choice{padding:14px 16px;background:var(--surface);border:2px solid var(--line);border-radius:11px;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:border-color .12s}
.choice:hover{border-color:var(--ink-2)}
.choice.sel{border-color:var(--spark)}
.choice.sel.l1{border-color:var(--cobalt)}
.choice.sel.l2{border-color:var(--gold)}
.choice.sel.l3{border-color:var(--spark)}
.choice .num{font-family:'Geist Mono',monospace;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}
.choice.sel.l1 .num{color:var(--cobalt)}
.choice.sel.l2 .num{color:var(--gold)}
.choice.sel.l3 .num{color:var(--spark)}
.choice .nm{font-size:14px;font-weight:600;letter-spacing:-.005em}
.choice .ds{font-size:12px;color:var(--mute);line-height:1.4}

/* toggle */
.toggle{position:relative;width:38px;height:22px;background:var(--line-2);border-radius:11px;cursor:pointer;transition:background .12s;flex-shrink:0}
.toggle::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .12s}
.toggle.on{background:var(--spark)}
.toggle.on::after{transform:translateX(16px)}

/* =============== CARDS =============== */

.card{padding:22px;background:var(--surface);border-radius:12px;border:1px solid var(--line)}
.card.spark{border-left:3px solid var(--spark)}
.card.l1{border-left:3px solid var(--cobalt)}
.card.l2{border-left:3px solid var(--gold)}
.card.l3{border-left:3px solid var(--spark)}
.card-h{font-size:11px;font-family:'Geist Mono',monospace;color:var(--mute);font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}

/* =============== FEED ROWS =============== */

.feed{background:var(--surface);border-radius:12px;border:1px solid var(--line);overflow:hidden}
.feed-section{padding:8px 0 4px}
.feed-section .lbl-row{padding:0 18px 6px;font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);font-weight:700;letter-spacing:.08em;text-transform:uppercase;display:flex;justify-content:space-between}
.feed-section .lbl-row .sc{color:var(--spark)}

.feed-r{padding:11px 18px;display:grid;grid-template-columns:38px 1fr auto;gap:12px;align-items:center;cursor:pointer;border-top:1px solid transparent;border-bottom:1px solid transparent;transition:background .12s}
.feed-r:hover{background:var(--bg)}
.feed-r.active{background:var(--bg)}
.feed-r .info{min-width:0}
.feed-r .info .h{display:flex;align-items:center;gap:7px;margin-bottom:2px;flex-wrap:wrap}
.feed-r .info .h .nm{font-size:13.5px;font-weight:600;letter-spacing:-.005em;line-height:1.2}
.feed-r .info .h .typ{font-family:'Geist Mono',monospace;font-size:9px;color:var(--mute);font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.feed-r .info .pv{font-size:12px;color:var(--ink-2);line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.feed-r .info .why{font-family:'Geist Mono',monospace;font-size:10px;color:var(--spark);font-weight:600;margin-top:2px;letter-spacing:.04em}
.feed-r .meta{font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);text-align:right;line-height:1.55;font-weight:500}
.feed-r .meta .un{background:var(--spark);color:#fff;font-weight:700;padding:1px 6px;border-radius:7px;font-size:9.5px;display:inline-block;margin-top:2px}

/* =============== BUBBLES =============== */

.thread-body{padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.day-divider{align-self:center;font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;background:var(--surface);border-radius:999px;margin:6px 0}

.msg{display:flex;gap:8px;max-width:85%}
.msg.self{align-self:flex-end;flex-direction:row-reverse}
.msg .bubble{padding:9px 13px;border-radius:14px;background:var(--surface);font-size:13.5px;line-height:1.45;color:var(--ink);position:relative;letter-spacing:-.003em;border:1px solid var(--line)}
.msg.self .bubble{background:var(--bubble-self);border-color:transparent}
.msg .bubble .who{font-size:11px;font-weight:600;color:var(--ink);margin-bottom:3px;display:flex;align-items:center;gap:5px}
.msg .bubble .who .role{font-family:'Geist Mono',monospace;font-size:9px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:1px 5px;border-radius:3px}
.msg .bubble .who .role.mentor{color:var(--gold);background:var(--gold-soft)}
.msg .bubble .who .role.teacher{color:var(--cobalt);background:var(--cobalt-soft)}
.msg .bubble .who .role.investor{color:var(--spark);background:var(--spark-soft)}
.msg .bubble .tm{font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);font-weight:500;margin-top:4px;text-align:right;letter-spacing:0}

.quote{padding:8px 10px;background:var(--cobalt-soft);border-left:3px solid var(--cobalt);border-radius:0 6px 6px 0;font-size:12.5px;color:var(--ink-2);margin-bottom:6px;line-height:1.4}
.quote .src{font-family:'Geist Mono',monospace;font-size:9.5px;color:var(--cobalt);font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:3px;display:block}
.quote i{font-style:italic;color:var(--ink)}

.poll{padding:11px 13px;background:var(--surface);border-radius:11px;border:1px solid var(--line);font-size:13px;max-width:340px;margin-bottom:5px}
.poll .q{font-weight:600;color:var(--ink);margin-bottom:9px;letter-spacing:-.005em}
.poll .opt{margin-bottom:5px;cursor:pointer}
.poll .opt .bar{height:28px;border-radius:6px;background:var(--bg);position:relative;overflow:hidden}
.poll .opt .bar .fill{position:absolute;left:0;top:0;bottom:0;background:var(--spark-soft-2);transition:width .3s}
.poll .opt .bar .label{position:absolute;left:10px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--ink);font-weight:500}
.poll .opt .bar .pct{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-family:'Geist Mono',monospace;font-size:11px;color:var(--ink-2);font-weight:600}
.poll .opt.win .bar .fill{background:var(--spark)}
.poll .opt.win .bar .label{color:#fff;font-weight:600}
.poll .opt.win .bar .pct{color:#fff}
.poll .meta{font-family:'Geist Mono',monospace;font-size:9.5px;color:var(--mute);font-weight:500;margin-top:7px;display:flex;justify-content:space-between}

.composer{padding:12px 14px;background:var(--surface);border-top:1px solid var(--line);display:flex;align-items:center;gap:8px}
.composer .plus{width:34px;height:34px;border-radius:8px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-2);flex-shrink:0;font-weight:300}
.composer .input-wrap{flex:1;padding:9px 13px;background:var(--bg);border-radius:10px}
.composer .input-wrap input{width:100%;font-size:13.5px}
.composer .send{width:36px;height:36px;border-radius:9px;background:var(--spark);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;font-weight:700}

/* =============== PILLS / BADGES =============== */

.pill{font-family:'Geist Mono',monospace;font-size:10px;font-weight:700;padding:3px 8px;border-radius:5px;letter-spacing:.04em;display:inline-flex;align-items:center;gap:4px;text-transform:uppercase}
.pill.l1{background:var(--cobalt-soft);color:var(--cobalt)}
.pill.l2{background:var(--gold-soft);color:var(--gold)}
.pill.l3{background:var(--spark-soft);color:var(--spark)}
.pill.pulse{background:var(--pulse-soft);color:var(--pulse)}
.pill.coral{background:var(--coral-soft);color:var(--coral)}
.pill.mute{background:var(--bg);color:var(--mute)}
.pill.ink{background:var(--ink);color:var(--bg)}

.badge-mentor,.badge-teacher,.badge-investor,.badge-sponsor{font-family:'Geist Mono',monospace;font-size:9px;font-weight:700;padding:2px 6px;border-radius:4px;letter-spacing:.04em;text-transform:uppercase}
.badge-mentor{color:var(--gold);background:var(--gold-soft)}
.badge-teacher{color:var(--cobalt);background:var(--cobalt-soft)}
.badge-investor{color:var(--spark);background:var(--spark-soft)}
.badge-sponsor{color:var(--violet);background:var(--violet-soft)}

/* =============== TYPE ICON =============== */

.typ-ic{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.typ-ic.sm{width:28px;height:28px;font-size:13px;border-radius:7px}
.typ-ic.lg{width:48px;height:48px;font-size:22px;border-radius:12px}
.typ-ic.lecture,.typ-ic.course{background:var(--cobalt-soft);color:var(--cobalt)}
.typ-ic.lab{background:var(--violet-soft);color:var(--violet)}
.typ-ic.project,.typ-ic.thesis,.typ-ic.mentorship{background:var(--gold-soft);color:var(--gold)}
.typ-ic.event{background:var(--spark-soft);color:var(--spark)}
.typ-ic.community{background:var(--pulse-soft);color:var(--pulse)}

/* =============== TABS =============== */

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px}
.tabs .tb{padding:11px 16px;font-size:13.5px;color:var(--mute);font-weight:500;border-bottom:2px solid transparent;cursor:pointer;margin-bottom:-1px}
.tabs .tb.on{color:var(--ink);border-color:var(--spark);font-weight:600}
.tabs .tb:hover{color:var(--ink-2)}

/* =============== UTILITY =============== */

.hide-mobile{display:initial}
@media(max-width:760px){.hide-mobile{display:none}}
.show-mobile{display:none}
@media(max-width:760px){.show-mobile{display:initial}}

.divider{height:1px;background:var(--line);margin:24px 0}
.spacer-sm{height:14px}
.spacer{height:24px}
.spacer-lg{height:48px}

.fl-row{display:flex;align-items:center;gap:8px}
.fl-rsp{display:flex;justify-content:space-between;align-items:center;gap:14px}
.gap-md{gap:14px}
.gap-lg{gap:24px}
.flex-1{flex:1}

.mb-sm{margin-bottom:8px}
.mb-md{margin-bottom:14px}
.mb-lg{margin-bottom:24px}

.text-mute{color:var(--mute)}
.text-spark{color:var(--spark)}
.text-pulse{color:var(--pulse)}
.text-coral{color:var(--coral)}
.text-cobalt{color:var(--cobalt)}
.text-gold{color:var(--gold)}

.fw-600{font-weight:600}
.fs-13{font-size:13px}
.fs-12{font-size:12px}
.fs-11{font-size:11px}

/* =============== AUTH PAGES =============== */

.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:var(--bg)}
.auth-brand{font-size:24px;font-weight:600;letter-spacing:-.02em;margin-bottom:32px;display:flex;align-items:center;gap:8px}
.auth-brand .mk{display:inline-block;width:11px;height:11px;background:var(--spark);transform:rotate(45deg);border-radius:1.5px}
.auth-card{padding:40px;background:var(--surface);border-radius:18px;border:1px solid var(--line);width:100%;max-width:440px;box-shadow:0 18px 60px -10px rgba(0,0,0,.06)}
.auth-card h1{font-size:24px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px}
.auth-card p.lead{color:var(--ink-2);margin-bottom:24px;font-size:14.5px;line-height:1.55}
.auth-foot{margin-top:24px;text-align:center;font-family:'Geist Mono',monospace;font-size:11px;color:var(--mute);font-weight:500;letter-spacing:.04em}
.auth-foot a{color:var(--spark);font-weight:600}

/* =============== MODAL =============== */

.modal-bg{position:fixed;inset:0;background:rgba(26,26,26,.4);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:50;padding:24px}
.modal{background:var(--surface);border-radius:18px;width:100%;max-width:680px;max-height:88vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 24px 80px -10px rgba(0,0,0,.2)}
.modal-h{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.modal-h h3{font-size:16px;font-weight:600;letter-spacing:-.005em;flex:1}
.modal-h .close{width:30px;height:30px;border-radius:7px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--mute)}
.modal-body{padding:22px;overflow-y:auto;flex:1}

/* =============== SCROLLBARS =============== */

::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--line-3)}

/* =============================================================
   v2.0 ADDITIONS · 4 entry-points · meeting · translate · notif
   ============================================================= */

/* === TRIGGER PILLS (4 entry-points) === */
.pill.trig-event{background:var(--cobalt-soft);color:var(--cobalt)}
.pill.trig-material{background:var(--violet-soft);color:var(--violet)}
.pill.trig-topic{background:var(--spark-soft);color:var(--spark)}
.pill.trig-lounge{background:var(--pulse-soft);color:var(--pulse)}

/* === FEED v2.0 · АВАТАРИ БЕЗ КІЛЕЦЬ + TRIGGER ICON === */
.av-trig{position:relative;width:38px;height:38px;border-radius:50%;background:#7B9CD9;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:'Geist Mono',monospace;font-weight:700;font-size:13px;flex-shrink:0}
.av-trig.sm{width:30px;height:30px;font-size:10px}
.av-trig.lg{width:48px;height:48px;font-size:16px}
.av-trig .ti{position:absolute;bottom:-2px;right:-2px;width:16px;height:16px;border-radius:50%;background:var(--surface);font-size:10px;display:flex;align-items:center;justify-content:center;border:2px solid var(--surface)}
.av-trig.sm .ti{width:13px;height:13px;font-size:8.5px;bottom:-2px;right:-2px}

/* === TRIGGER BAR (під chat header) === */
.trig-bar{padding:6px 16px;display:flex;align-items:center;gap:8px;font-family:'Geist Mono',monospace;font-size:11px;font-weight:600;border-bottom:1px solid var(--line);min-height:30px}
.trig-bar .meta-tb{margin-left:auto;font-weight:500;opacity:.7}
.trig-bar.event{background:var(--cobalt-soft);color:var(--cobalt)}
.trig-bar.material{background:var(--violet-soft);color:var(--violet)}
.trig-bar.topic{background:var(--spark-soft);color:var(--spark)}
.trig-bar.lounge{background:var(--pulse-soft);color:var(--pulse)}

/* === MEETING CARD (in chat) === */
.meet-card{background:var(--surface);border:2px solid var(--violet);border-radius:12px;overflow:hidden;max-width:380px;margin:4px 0}
.meet-card .mc-h{padding:8px 12px;background:var(--violet);color:#fff;display:flex;align-items:center;gap:8px;font-family:'Geist Mono',monospace;font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.meet-card .mc-body{padding:12px}
.meet-card .mc-title{font-weight:600;margin-bottom:8px;font-size:14px;letter-spacing:-.005em}
.meet-card .mc-row{display:flex;gap:8px;align-items:center;padding:4px 0;font-size:13px;color:var(--ink-2)}
.meet-card .mc-row .ic{font-size:13px;width:18px;color:var(--mute)}
.meet-card .mc-row b{color:var(--ink);font-weight:600}
.meet-card .mc-foot{padding:9px 12px;background:var(--bg);display:flex;align-items:center;gap:8px;border-top:1px solid var(--line)}
.meet-card .mc-foot .ct{font-family:'Geist Mono',monospace;font-size:10.5px;color:var(--mute);font-weight:600;margin-left:auto}

/* === TRANSLATE MARK === */
.tr-mark{font-family:'Geist Mono',monospace;font-size:9px;color:var(--cobalt);font-weight:600;margin-top:4px;letter-spacing:.04em;text-transform:uppercase;display:flex;align-items:center;gap:3px;cursor:pointer}
.tr-mark::before{content:"⇣";font-weight:700;color:var(--cobalt)}
.tr-original{font-size:11.5px;color:var(--mute);margin-top:5px;padding-top:5px;border-top:1px dashed var(--line);font-style:italic;display:none}
.tr-mark.expanded + .tr-original{display:block}

/* === COMPOSER PILL (v2.0) === */
.composer-pill{padding:8px 12px;background:var(--surface);border-top:1px solid var(--line);display:flex;align-items:center;gap:6px}
.composer-pill .pill-input{flex:1;padding:8px 12px;background:var(--bg);border-radius:18px;display:flex;align-items:center;gap:8px}
.composer-pill .pill-input .add-btn{font-size:16px;color:var(--mute);font-weight:300;cursor:pointer;width:18px;text-align:center}
.composer-pill .pill-input .meet-btn{padding:2px 7px;font-family:'Geist Mono',monospace;font-size:10px;font-weight:700;color:var(--violet);background:var(--violet-soft);border-radius:4px;letter-spacing:.04em;cursor:pointer}
.composer-pill .pill-input input{flex:1;font-size:13px;color:var(--ink);background:none;border:none;outline:none;font-family:inherit}
.composer-pill .pill-input input::placeholder{color:var(--mute);font-style:italic}
.composer-pill .pill-input .emoji-btn{font-size:14px;color:var(--mute);cursor:pointer}
.composer-pill .send-btn{width:32px;height:32px;border-radius:50%;background:var(--spark);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;cursor:pointer;border:none;flex-shrink:0;font-family:inherit}

/* === LANGUAGE PICKER === */
.lang-pick{display:flex;flex-wrap:wrap;gap:6px}
.lang-pick .lp{padding:6px 11px;background:var(--surface);border:1px solid var(--line);border-radius:7px;font-family:'Geist Mono',monospace;font-size:11px;font-weight:600;display:inline-flex;align-items:center;gap:5px;cursor:pointer;transition:all .12s}
.lang-pick .lp:hover{border-color:var(--ink-2)}
.lang-pick .lp.sel{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.lang-pick .lp .fl{font-size:13px}

/* === BUBBLES v2.0 (compact) === */
.msg-c{display:flex;gap:7px;max-width:72%;margin-bottom:1px}
.msg-c.self{align-self:flex-end;flex-direction:row-reverse}
.msg-c.self .av-c{display:none}
.msg-c.cont .av-c{visibility:hidden}
.msg-c .av-c{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Geist Mono',monospace;font-weight:700;font-size:9.5px;color:#fff;flex-shrink:0;align-self:flex-end}
.msg-c .b-c{padding:5px 10px;border-radius:13px;background:var(--surface);font-size:13px;line-height:1.4;border:1px solid var(--line)}
.msg-c.self .b-c{background:var(--bubble-self);border-color:transparent}
.msg-c .b-c .who-c{font-size:11px;font-weight:600;display:flex;align-items:center;gap:4px;margin-bottom:1px;line-height:1.2}
.msg-c .b-c .who-c .role{font-family:'Geist Mono',monospace;font-size:9px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--gold-soft);color:var(--gold);padding:0 5px;border-radius:3px}
.msg-c .b-c .who-c .fl{font-size:12px}
.msg-c .b-c .tm-c{font-family:'Geist Mono',monospace;font-size:9.5px;color:var(--mute);font-weight:500;float:right;margin-left:5px;padding-top:4px;letter-spacing:0}
.msg-c .b-c .tm-c .ck{color:var(--cobalt);margin-left:2px}
.group-end{height:7px}

.reactions-c{display:flex;gap:3px;margin-top:4px}
.reactions-c .r-c{padding:1px 6px;background:var(--bg);border-radius:7px;font-size:11px;display:flex;align-items:center;gap:2px}
.reactions-c .r-c .ct{color:var(--mute);font-family:'Geist Mono',monospace;font-size:9px;font-weight:700}

/* === NOTIFICATION ITEM === */
.notif-item{padding:14px 16px;display:grid;grid-template-columns:34px 1fr auto;gap:11px;align-items:flex-start;border-bottom:1px solid var(--line);background:var(--surface)}
.notif-item:hover{background:var(--bg)}
.notif-item.unread{background:var(--spark-soft)}
.notif-item.unread:hover{background:rgba(255,92,0,.12)}
.notif-item .av-n{width:32px;height:32px;border-radius:50%;background:#7B9CD9;color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Geist Mono',monospace;font-weight:700;font-size:11px}
.notif-item .body-n{min-width:0}
.notif-item .body-n .ti-n{font-size:13px;line-height:1.4;color:var(--ink-2);margin-bottom:3px}
.notif-item .body-n .ti-n b{color:var(--ink);font-weight:700}
.notif-item .body-n .where-n{font-family:'Geist Mono',monospace;font-size:11px;font-weight:600;color:var(--cobalt);margin-top:4px;display:flex;align-items:center;gap:4px}
.notif-item .body-n .meta-n{font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);font-weight:500;margin-top:4px;display:flex;flex-wrap:wrap;gap:6px}
.notif-item .body-n .meta-n .pl{padding:1px 5px;background:var(--bg);border-radius:4px;color:var(--ink-2)}
.notif-item .actions-n{display:flex;flex-direction:column;gap:4px;align-items:flex-end}
.notif-item .actions-n .btn-n{padding:6px 12px;border-radius:6px;font-family:'Geist Mono',monospace;font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;border:none;font-family:inherit}
.notif-item .actions-n .btn-n.in{background:var(--spark);color:#fff}
.notif-item .actions-n .btn-n.maybe{background:var(--bg);color:var(--ink-2);border:1px solid var(--line)}
.notif-item .actions-n .btn-n.pass{background:transparent;color:var(--mute);font-size:10px;padding:3px 9px}
.notif-item .time-n{font-family:'Geist Mono',monospace;font-size:9.5px;color:var(--mute);font-weight:500;margin-top:5px}

/* === MOBILE BOTTOM NAV === */
.mob-nav{display:none}

/* === HAMBURGER (CSS-only via :target) === */
.menu-trigger{display:none}
@media(max-width:920px){
  .menu-trigger{
    display:inline-flex;
    width:34px;height:34px;border-radius:8px;
    background:var(--bg);
    align-items:center;justify-content:center;
    font-size:17px;color:var(--ink);font-weight:300;
    text-decoration:none;
    flex-shrink:0;
    margin-right:8px;
  }
  .menu-trigger:hover{background:var(--ink);color:var(--bg)}
}

@media(max-width:920px){
  /* Sidebar стає off-canvas */
  .app{grid-template-columns:1fr}
  .side{
    position:fixed;
    top:0;left:0;
    width:280px;height:100vh;
    z-index:101;
    transform:translateX(-100%);
    transition:transform .25s ease;
    box-shadow:0 0 40px rgba(0,0,0,.15);
  }
  .side:target{transform:translateX(0)}

  /* Backdrop коли sidebar відкритий */
  .side:target ~ .main::before{
    content:"";
    position:fixed;
    inset:0;
    background:rgba(26,26,26,.4);
    z-index:100;
    cursor:pointer;
  }
  .side:target ~ .main-thread::before{
    content:"";
    position:fixed;
    inset:0;
    background:rgba(26,26,26,.4);
    z-index:100;
  }

  /* Main full-width */
  .main, .main-thread{min-height:100vh;padding-bottom:60px}
}

/* === MOBILE BOTTOM NAV === */
@media(max-width:920px){
  .mob-nav{
    display:flex;
    position:fixed;
    bottom:0;left:0;right:0;
    background:var(--surface);
    border-top:1px solid var(--line);
    padding:7px 12px;
    height:54px;
    justify-content:space-around;
    align-items:center;
    z-index:50;
  }
  .mob-nav .nv-i{
    display:flex;flex-direction:column;align-items:center;gap:3px;
    font-family:'Geist Mono',monospace;font-size:9.5px;
    color:var(--mute);font-weight:700;letter-spacing:.04em;text-transform:uppercase;
    text-decoration:none;
    padding:4px 14px;border-radius:8px;
    flex:1;max-width:80px;
    position:relative;
  }
  .mob-nav .nv-i .ic{font-size:18px;line-height:1}
  .mob-nav .nv-i.on{color:var(--spark)}
  .mob-nav .nv-i .ct{
    position:absolute;top:0;right:14px;
    background:var(--spark);color:#fff;
    font-size:8.5px;font-weight:700;
    padding:0 4px;border-radius:6px;
    min-width:14px;text-align:center;line-height:14px;
  }
  .mob-nav .nv-i.on{background:var(--bg)}
}

/* === NOTIF RESPONSIVE === */
@media(max-width:760px){
  .notif-item{
    grid-template-columns:34px 1fr;
    gap:10px;
    padding:12px 14px;
  }
  .notif-item .actions-n{
    grid-column:1/-1;
    flex-direction:row;
    margin-top:8px;
    padding-left:44px;
    align-items:center;
    gap:6px;
  }
  .notif-item .actions-n .btn-n{padding:6px 12px;flex-shrink:0}
}

/* === TABS SCROLLABLE === */
@media(max-width:760px){
  .notif-tabs{
    flex-wrap:nowrap;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    padding-bottom:6px;
    margin-left:-4px;margin-right:-4px;
    padding-left:4px;padding-right:4px;
  }
  .notif-tabs::-webkit-scrollbar{display:none}
  .notif-tab{flex-shrink:0;white-space:nowrap}
}

/* === GREET / STATS adapt === */
@media(max-width:760px){
  .greet{flex-direction:column;align-items:flex-start;gap:14px}
  .quick-stats,.member-stats{grid-template-columns:1fr 1fr}
}

/* === CHAT THREAD adapt === */
@media(max-width:760px){
  .th-h-chat{padding:8px 12px;height:auto;min-height:50px;flex-wrap:wrap;gap:8px}
  .th-h-chat .ti h1{font-size:14px}
  .th-h-chat .ti p{font-size:10px}
  .th-h-chat .acts{flex-shrink:0;flex-wrap:wrap}
  .th-h-chat .acts .meet-btn,.th-h-chat .acts .brief-btn{padding:0 9px;font-size:9.5px;height:28px}
  .th-h-chat .acts .btn-ic{width:28px;height:28px;font-size:12px}

  .trig-bar{padding:5px 12px;font-size:10px;flex-wrap:wrap}
  .trig-bar .meta-tb{display:none}

  .pinned{padding:6px 12px;font-size:11px}

  .composer-pill{padding:6px 8px}
  .composer-pill .pill-input{padding:6px 10px;gap:6px}
  .composer-pill .pill-input input{font-size:13px}
  .composer-pill .send-btn{width:30px;height:30px;font-size:12px}

  .msg-c{max-width:88%}
  .msg-c .b-c{font-size:13px}

  .meet-card{max-width:100%}
}

/* === TOPBAR mobile adapt === */
@media(max-width:760px){
  .topbar{padding:10px 12px}
  .topbar .ti h1{font-size:15px}
  .topbar .ti p{font-size:10.5px}
  .topbar .acts .btn-ic{width:30px;height:30px;font-size:12px}
  .topbar .acts .btn-ic.spark{font-size:10.5px;padding:0 9px}
}

/* Page padding */
@media(max-width:760px){
  .page{padding:18px 14px}
}

/* Chat-thread fix on mobile (height + composer above bottom-nav) */
@media(max-width:920px){
  .main-thread{height:auto;min-height:calc(100vh - 54px);padding-bottom:0}
  .composer-pill{position:sticky;bottom:54px;z-index:10}
  .th-body-scroll{flex:1;min-height:300px}
  body:has(.main-thread){overflow:hidden}
}

/* Backdrop клік — закриває off-canvas (через link in sidebar) */
@media(max-width:920px){
  .side-backdrop{
    display:none;
    position:fixed;inset:0;
    background:rgba(26,26,26,.4);
    z-index:100;
  }
  .side:target ~ .side-backdrop,
  .side:target + .side-backdrop{display:block}
}

/* Block body scroll коли sidebar відкритий (best-effort, fallback gracefully) */
.side:target{overflow-y:auto}

/* Tablet adjustments */
@media(min-width:761px) and (max-width:920px){
  .feed-l-row{padding:11px 14px}
  .quick-stats{grid-template-columns:repeat(4,1fr)}
}

/* === DEMO SHOWCASE FRAMES === */
.demo-frame{background:var(--surface);border-radius:14px;border:1px solid var(--line-2);overflow:hidden;box-shadow:0 12px 40px -10px rgba(0,0,0,.06)}
.demo-frame .browser-bar{padding:10px 14px;background:var(--bg);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;font-family:'Geist Mono',monospace;font-size:10px;color:var(--mute);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.demo-frame .browser-bar .traffic{display:flex;gap:5px}
.demo-frame .browser-bar .traffic span{width:9px;height:9px;border-radius:50%;background:rgba(0,0,0,.08)}
.demo-frame .browser-bar .url{margin-left:auto;color:var(--ink-2);font-weight:500;text-transform:none;letter-spacing:0;font-size:11px}

/* =============================================================
   v2.1 · GLASS LAYER · translucent surfaces, soft shadows, lighter dividers
   ============================================================= */

/* Sidebar — translucent з blur */
.side{
  background:var(--glass-bg-strong) !important;
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-right:1px solid var(--glass-border) !important;
}
.side-brand{border-bottom:1px solid var(--glass-border) !important}
.side-search{border-bottom:1px solid var(--glass-border) !important}
.side-search input{background:rgba(255,255,255,.5);transition:background .12s}
.side-search input:focus{background:rgba(255,255,255,.85);outline:none}
.side-foot{border-top:1px solid var(--glass-border) !important;background:transparent}
.side-nav .navlnk{transition:background .15s}
.side-nav .navlnk:hover{background:rgba(255,255,255,.45)}
.side-nav .navlnk.active{background:var(--ink);color:var(--bg);box-shadow:0 4px 14px rgba(26,26,26,.18)}

/* Top-bar — translucent */
.topbar{
  background:var(--glass-bg-strong) !important;
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border) !important;
}

/* Main background — light gradient instead of flat chat-bg */
.main-thread{
  background:linear-gradient(180deg, #F0EBE0 0%, #E8E2D3 100%) !important;
}

/* Chat header glass */
.th-h-chat{
  background:var(--glass-bg-strong) !important;
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border) !important;
}

/* Composer glass */
.composer-pill{
  background:var(--glass-bg-strong) !important;
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-top:1px solid var(--glass-border) !important;
}
.composer-pill .pill-input{background:rgba(255,255,255,.55);box-shadow:inset 0 0 0 1px rgba(0,0,0,.03)}

/* Mobile bottom-nav glass */
@media(max-width:920px){
  .mob-nav{
    background:var(--glass-bg-strong) !important;
    -webkit-backdrop-filter:var(--glass-blur);
    backdrop-filter:var(--glass-blur);
    border-top:1px solid var(--glass-border) !important;
  }
}

/* Cards softer + lifted */
.card,.feed-l,.member-list,.notif-list,.feed,
.invite-card,.danger-block,.set-block,.set-nav{
  box-shadow:var(--glass-shadow-soft) !important;
  border-color:var(--glass-border) !important;
}

/* Bubbles — lighter borders + soft shadow */
.msg-c .b-c,.msg-c.cont .b-c{
  border-color:var(--glass-border) !important;
  box-shadow:0 1px 2px rgba(0,0,0,.025);
  background:rgba(255,255,255,.92) !important;
}
.msg-c.self .b-c{
  background:linear-gradient(135deg, #FFEDD9, #FFE0CB) !important;
  box-shadow:0 2px 6px rgba(255,92,0,.08);
  border:none !important;
}

/* Trigger-bar — softer */
.trig-bar{
  border-bottom:1px solid var(--glass-border) !important;
}

/* Pinned card — softer */
.pinned{
  border-bottom:1px solid var(--glass-border) !important;
  background:linear-gradient(90deg, var(--gold-soft), rgba(212,160,23,.04)) !important;
}

/* Buttons — softer hover */
.btn{transition:transform .12s, background .15s, box-shadow .15s}
.btn:hover{box-shadow:0 4px 14px rgba(26,26,26,.18)}
.btn.spark:hover{box-shadow:0 4px 14px rgba(255,92,0,.32)}

/* Avatars — soft outline replaces hard ring (для l1/l2/l3) */
.av.l1,.av-trig.l1{box-shadow:0 0 0 2px rgba(37,99,235,.7), 0 2px 6px rgba(0,0,0,.05)}
.av.l2,.av-trig.l2{box-shadow:0 0 0 2px rgba(212,160,23,.7), 0 2px 6px rgba(0,0,0,.05)}
.av.l3,.av-trig.l3{box-shadow:0 0 0 2px rgba(255,92,0,.7), 0 2px 6px rgba(0,0,0,.05)}

/* Field-input softer */
.field input,.field textarea,.field select{
  background:rgba(255,255,255,.7) !important;
  border-color:rgba(0,0,0,.07) !important;
  transition:background .12s, border-color .12s, box-shadow .12s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  background:#fff !important;
  box-shadow:0 0 0 3px var(--spark-soft);
}

/* Soft dividers in cards (replace solid) */
.set-row{border-bottom:1px solid var(--glass-border) !important}
.member-row{border-bottom:1px solid var(--glass-border) !important}
.notif-item{border-bottom:1px solid var(--glass-border) !important}
.feed-r,.feed-l-row{border-bottom:1px solid var(--glass-border) !important}

/* Page background — subtle radial */
body{
  background:radial-gradient(ellipse at top right, rgba(255,229,210,.4), transparent 50%),
             radial-gradient(ellipse at bottom left, rgba(255,255,255,.5), transparent 50%),
             var(--bg) !important;
}

/* Pills — softer */
.pill{box-shadow:0 1px 2px rgba(0,0,0,.03)}

/* Side off-canvas — soft drop shadow when open */
@media(max-width:920px){
  .side{box-shadow:0 0 60px rgba(0,0,0,.12) !important}
}

/* Reactions softer */
.reactions-c .r-c{background:rgba(255,255,255,.7);box-shadow:0 1px 2px rgba(0,0,0,.04)}