/* =====================================================================
   FORMYLA Whiteboard — 1-to-1 video call panel
   Loaded only by templates/drawing.html.  All selectors are scoped under
   .wb-call-panel / #wbCallPanel so we don't leak into the rest of the UI.
   ===================================================================== */

/* ── Accent call button (📞) — should pop out of the toolbar ───────── */
.icon-btn.icon-btn-call,
button.icon-btn-call,
[data-wb-call-open].icon-btn-call,
#wbCallToggle.icon-btn-call{
    background:linear-gradient(135deg,#22c55e,#16a34a) !important;
    color:#fff !important;
    border:1px solid rgba(255,255,255,.22) !important;
    box-shadow:0 4px 12px rgba(34,197,94,.30) !important;
    position:relative;
    transition:transform .18s ease, box-shadow .18s ease;
}
.icon-btn.icon-btn-call:hover,
button.icon-btn-call:hover,
[data-wb-call-open].icon-btn-call:hover,
#wbCallToggle.icon-btn-call:hover{
    transform:translateY(-1px) scale(1.04);
    box-shadow:0 8px 20px rgba(34,197,94,.45) !important;
}
.icon-btn.icon-btn-call:active,
button.icon-btn-call:active,
[data-wb-call-open].icon-btn-call:active{
    transform:translateY(0) scale(.98);
}
.icon-btn.icon-btn-call::after,
button.icon-btn-call::after,
[data-wb-call-open].icon-btn-call::after{
    display:none;
}

/* ── Floating panel ────────────────────────────────────────────────── */
.wb-call-panel{
    position:absolute;
    right:14px;
    bottom:14px;
    z-index:50;
    width:360px;
    max-width:calc(100vw - 28px);
    background:rgba(15,23,42,.92);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.10);
    border-radius:14px;
    box-shadow:0 16px 40px rgba(0,0,0,.45);
    color:#e6e8ee;
    font-family:inherit;
    overflow:hidden;
    user-select:none;
}
.wb-call-panel[hidden]{ display:none !important; }

/* Head */
.wb-call-panel .wbc-head{
    display:flex; align-items:center; gap:8px;
    padding:9px 12px;
    border-bottom:1px solid rgba(255,255,255,.06);
    background:rgba(255,255,255,.02);
}
.wb-call-panel .wbc-title{
    font-weight:600;
    font-size:13.5px;
    color:#fff;
}
.wb-call-panel .wbc-status{
    margin-left:auto;
    font-size:11.5px;
    color:#94a3b8;
    max-width:220px;
    overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.wb-call-panel .wbc-status[data-kind="ok"]   { color:#4ade80; }
.wb-call-panel .wbc-status[data-kind="warn"] { color:#fbbf24; }
.wb-call-panel .wbc-status[data-kind="err"]  { color:#f87171; }
.wb-call-panel .wbc-x{
    background:transparent; border:none; color:#94a3b8;
    width:24px; height:24px; line-height:1; font-size:18px;
    border-radius:6px; cursor:pointer;
    padding:0; margin-left:4px;
}
.wb-call-panel .wbc-x:hover{ background:rgba(255,255,255,.10); color:#fff; }

/* Room code input row */
.wb-call-panel .wbc-room-row{
    display:flex; gap:6px;
    padding:10px 12px;
}
.wb-call-panel .wbc-room-row[hidden]{ display:none !important; }
.wb-call-panel input#wbCallRoom{
    flex:1; min-width:0;
    padding:8px 10px;
    background:rgba(15,23,42,.7);
    border:1px solid rgba(255,255,255,.10);
    border-radius:8px;
    color:#fff;
    font-size:13.5px;
    outline:none;
    font-family:inherit;
}
.wb-call-panel input#wbCallRoom:focus{
    border-color:rgba(74,168,255,.55);
    box-shadow:0 0 0 3px rgba(74,168,255,.15);
}
.wb-call-panel .wbc-btn{
    border:none; cursor:pointer;
    padding:8px 12px;
    border-radius:8px;
    font-weight:600; font-size:13px;
    color:#fff;
    font-family:inherit;
    transition:transform .15s ease, box-shadow .15s ease;
}
.wb-call-panel .wbc-hint{
    padding:0 10px 6px;
    font-size:11.5px;
    line-height:1.4;
    color:#94a3b8;
    transition:color .15s ease;
}
.wb-call-panel .wbc-hint[data-kind="ok"]   { color:#86efac; }
.wb-call-panel .wbc-hint[data-kind="warn"] { color:#fbbf24; }
.wb-call-panel .wbc-hint[data-kind="err"]  { color:#f87171; }

.wb-call-panel .wbc-btn-ghost{
    background:rgba(255,255,255,.06);
    color:#e2e8f0;
    border:1px solid rgba(255,255,255,.10);
    padding:0 10px;
    border-radius:8px;
    font-size:14px;
    transition:background .15s ease, transform .15s ease;
}
.wb-call-panel .wbc-btn-ghost:hover{
    background:rgba(255,255,255,.12);
    transform:translateY(-1px);
}

/* Invite-друга */
.wb-call-panel .wbc-invite-row{
    padding:0 10px 8px;
    display:flex;
}
.wb-call-panel .wbc-btn-invite{
    flex:1;
    height:34px;
    border:1px dashed rgba(74,168,255,.35);
    background:rgba(74,168,255,.08);
    color:#cbd5e1;
    border-radius:8px;
    font-size:13px;
    cursor:pointer;
    transition:background .15s ease, border-color .15s ease, color .15s ease;
}
.wb-call-panel .wbc-btn-invite:hover{
    background:rgba(74,168,255,.18);
    border-color:rgba(74,168,255,.6);
    color:#fff;
}

.wb-call-panel .wbc-friends-list{
    margin:0 10px 10px;
    background:rgba(15,23,42,.55);
    border:1px solid rgba(255,255,255,.08);
    border-radius:10px;
    overflow:hidden;
    max-height:230px;
    display:flex;
    flex-direction:column;
}
.wb-call-panel .wbc-friends-list[hidden]{ display:none !important; }
.wb-call-panel .wbc-friends-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:8px 12px;
    border-bottom:1px solid rgba(255,255,255,.06);
    font-size:12px;
    color:#94a3b8;
    text-transform:uppercase;
    letter-spacing:.4px;
}
.wb-call-panel .wbc-friends-close{
    background:transparent;
    border:none;
    color:#94a3b8;
    width:22px;
    height:22px;
    border-radius:6px;
    cursor:pointer;
    font-size:16px;
    line-height:1;
}
.wb-call-panel .wbc-friends-close:hover{
    background:rgba(255,255,255,.08);
    color:#fff;
}
.wb-call-panel .wbc-friends-body{
    overflow-y:auto;
    flex:1;
}
.wb-call-panel .wbc-friends-loading,
.wb-call-panel .wbc-friends-empty{
    padding:14px 12px;
    color:#94a3b8;
    font-size:13px;
    text-align:center;
}
.wb-call-panel .wbc-friends-empty a{
    color:#7dd3fc;
    text-decoration:underline;
}

.wb-call-panel .wbc-friend-item{
    width:100%;
    display:flex;
    align-items:center;
    gap:10px;
    padding:8px 10px;
    background:transparent;
    border:none;
    border-bottom:1px solid rgba(255,255,255,.04);
    color:#e2e8f0;
    cursor:pointer;
    text-align:left;
    font-size:13.5px;
    transition:background .12s ease;
}
.wb-call-panel .wbc-friend-item:hover{
    background:rgba(74,168,255,.10);
}
.wb-call-panel .wbc-friend-item:disabled{
    opacity:.6;
    cursor:default;
}
.wb-call-panel .wbc-friend-avatar{
    width:30px;
    height:30px;
    border-radius:50%;
    object-fit:cover;
    flex-shrink:0;
    background:rgba(255,255,255,.06);
}
.wb-call-panel .wbc-friend-avatar-fallback{
    display:flex;
    align-items:center;
    justify-content:center;
    color:#cbd5e1;
    font-weight:600;
    font-size:13px;
}
.wb-call-panel .wbc-friend-name{
    flex:1;
    min-width:0;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
.wb-call-panel .wbc-friend-invite{
    color:#7dd3fc;
    font-size:12px;
    font-weight:600;
    flex-shrink:0;
}
.wb-call-panel .wbc-friend-invite-sent{
    color:#86efac;
}

.wb-call-panel .wbc-btn-primary{
    background:linear-gradient(135deg,#4aa8ff,#8b5cf6);
    box-shadow:0 4px 14px rgba(139,92,246,.30);
}
.wb-call-panel .wbc-btn-primary:hover{ transform:translateY(-1px); }

/* Video tiles */
.wb-call-panel .wbc-videos{
    position:relative;
    padding:0 10px 10px;
}
.wb-call-panel .wbc-videos[hidden]{ display:none !important; }
.wb-call-panel .wbc-vid{
    position:relative;
    width:100%;
    border-radius:10px;
    overflow:hidden;
    background:#0b1020;
    aspect-ratio: 4 / 3;
}
.wb-call-panel .wbc-vid video{
    width:100%; height:100%;
    object-fit:cover;
    background:#0b1020;
    transform:scaleX(-1);  /* mirror like every video-call client */
}
.wb-call-panel .wbc-vid-self{
    position:absolute;
    right:18px;
    bottom:62px;
    width:30%;
    min-width:80px;
    aspect-ratio: 4 / 3;
    border:1.5px solid rgba(255,255,255,.45);
    border-radius:8px;
    box-shadow:0 4px 12px rgba(0,0,0,.45);
    overflow:hidden;
    z-index:2;
}
.wb-call-panel .wbc-vid .wbc-tag{
    position:absolute;
    left:6px; bottom:6px;
    padding:2px 7px;
    border-radius:999px;
    background:rgba(0,0,0,.55);
    color:#fff;
    font-size:10.5px;
    letter-spacing:.02em;
}
.wb-call-panel .wbc-vid-self .wbc-tag{ font-size:9.5px; padding:1px 6px; }

/* Toolbar (mic / cam / leave / copy) */
.wb-call-panel .wbc-toolbar{
    display:flex; gap:6px; justify-content:center;
    padding:0 10px 12px;
}
.wb-call-panel .wbc-toolbar[hidden]{ display:none !important; }
.wb-call-panel .wbc-icon{
    width:38px; height:38px;
    border-radius:50%;
    background:rgba(255,255,255,.08);
    color:#fff;
    border:1px solid rgba(255,255,255,.10);
    font-size:16px;
    cursor:pointer;
    display:inline-flex; align-items:center; justify-content:center;
    transition:background .15s, transform .15s;
    line-height:1;
}
.wb-call-panel .wbc-icon:hover{
    background:rgba(255,255,255,.16);
    transform:translateY(-1px);
}
.wb-call-panel .wbc-icon.off{
    background:rgba(248,113,113,.18);
    border-color:rgba(248,113,113,.45);
    color:#fecaca;
}
.wb-call-panel .wbc-icon-danger{
    background:linear-gradient(135deg,#ef4444,#dc2626);
    border-color:rgba(255,255,255,.15);
}
.wb-call-panel .wbc-icon-danger:hover{
    background:linear-gradient(135deg,#dc2626,#b91c1c);
}

/* ── Mobile: full-width sheet across the bottom of the canvas ─────── */
@media (max-width: 640px){
    .wb-call-panel{
        right:8px; left:8px;
        bottom:8px;
        width:auto;
        max-width:none;
    }
    .wb-call-panel .wbc-videos{ padding:0 8px 8px; }
    .wb-call-panel .wbc-vid-self{
        right:14px; bottom:54px;
        width:33%;
    }
    .wb-call-panel .wbc-toolbar{ padding:0 8px 10px; }
    .wb-call-panel .wbc-icon{ width:42px; height:42px; }
    .wb-call-panel.minimized{ width:140px; height:105px; right:8px; bottom:8px; border-radius:10px; }
}

/* ── Minimized / PiP mode ──────────────────────────────────────────── */
.wb-call-panel.minimized{
    width:180px;
    height:135px;
    position:fixed !important;
    right:14px;
    bottom:14px;
    z-index:10000 !important;
    border-radius:12px;
    cursor:pointer;
    overflow:hidden;
    border:2px solid rgba(34,197,94,.6);
    box-shadow:0 8px 24px rgba(0,0,0,.5);
    transition:width .25s ease, height .25s ease, border-radius .25s ease;
}
.wb-call-panel.minimized:hover{
    border-color:rgba(34,197,94,.9);
    box-shadow:0 8px 28px rgba(34,197,94,.25);
}
.wb-call-panel.minimized .wbc-head,
.wb-call-panel.minimized .wbc-hint,
.wb-call-panel.minimized .wbc-room-row,
.wb-call-panel.minimized .wbc-invite-row,
.wb-call-panel.minimized .wbc-friends-list,
.wb-call-panel.minimized .wbc-vid-self,
.wb-call-panel.minimized .wbc-toolbar,
.wb-call-panel.minimized .wbc-videos .wbc-tag{
    display:none !important;
}
.wb-call-panel.minimized .wbc-videos{
    display:block !important;
    padding:0;
    width:100%;
    height:100%;
}
.wb-call-panel.minimized .wbc-vid{
    width:100%;
    height:100%;
    border-radius:0;
    aspect-ratio:auto;
}
.wb-call-panel.minimized .wbc-vid video{
    object-fit:cover;
}
/* Small overlay badge on PiP — shows call duration / status */
.wb-call-panel.minimized .pip-badge{
    position:absolute;
    left:6px;
    bottom:6px;
    padding:2px 8px;
    border-radius:999px;
    background:rgba(0,0,0,.65);
    color:#fff;
    font-size:10px;
    font-weight:600;
    letter-spacing:.02em;
    pointer-events:none;
    display:flex;
    align-items:center;
    gap:4px;
}
.wb-call-panel.minimized .pip-badge .pip-dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:#22c55e;
    display:inline-block;
    animation:pipPulse 2s ease-in-out infinite;
}
@keyframes pipPulse{
    0%,100%{ opacity:1; }
    50%{ opacity:.4; }
}
/* Close (end call) button on PiP */
.wb-call-panel.minimized .pip-end{
    position:absolute;
    top:6px;
    right:6px;
    width:24px;
    height:24px;
    border-radius:50%;
    background:rgba(239,68,68,.85);
    border:none;
    color:#fff;
    font-size:13px;
    line-height:1;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    opacity:0;
    transition:opacity .2s ease;
}
.wb-call-panel.minimized:hover .pip-end{
    opacity:1;
}
.wb-call-panel.minimized .pip-end:hover{
    background:#ef4444;
    transform:scale(1.1);
}