/* ── Base ── */
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:Georgia,serif;background:#0c1220;color:#e8edf5}
.mp-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.mp-shell.mp-shell-full{padding:0;align-items:stretch}
.mp-card{width:min(860px,100%);background:#151d2e;border:1px solid #2a3650;border-radius:24px;box-shadow:0 24px 70px rgba(0,0,0,.4);padding:28px}
.mp-card.mp-card-full{width:100%;max-width:100%;border-radius:0;border:0;box-shadow:none;padding:16px 24px;background:#0c1220}
.mp-kicker{display:inline-block;font:700 11px/1.2 system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:#64748b}
.mp-card h1{font-size:36px;line-height:1.1;margin:12px 0 6px;color:#fff}
.mp-card h2{font-size:15px;margin:0 0 10px;color:#c0cde0}
.mp-card p{font-size:15px;line-height:1.6;color:#8899b0;max-width:56ch}

/* ── Buttons ── */
.mp-btn{border:0;border-radius:999px;padding:10px 16px;font:600 13px/1 system-ui,sans-serif;cursor:pointer;transition:all .15s}
.mp-btn-primary{background:#3b82f6;color:#fff}.mp-btn-primary:hover{background:#2563eb}
.mp-btn-ghost{background:rgba(255,255,255,.08);color:#c0cde0}.mp-btn-ghost:hover{background:rgba(255,255,255,.14)}
.mp-btn-sm{padding:8px 12px;font-size:12px}
.mp-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}

/* ── Inputs ── */
.mp-input{width:100%;border:1px solid #2a3650;border-radius:12px;padding:11px 14px;font:14px/1.4 system-ui,sans-serif;background:#0f1729;color:#e8edf5}
.mp-input::placeholder{color:#556580}
.mp-form{display:flex;flex-direction:column;gap:10px;margin-top:16px}

/* ── Pill ── */
.mp-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;background:rgba(255,255,255,.08);color:#c0cde0;font:700 11px/1 system-ui,sans-serif}
.mp-pill-live{background:#16a34a;color:#fff;animation:pulse-live 2s infinite}
@keyframes pulse-live{0%,100%{opacity:1}50%{opacity:.7}}

/* ── Meta ── */
.mp-meta{display:flex;flex-direction:column;gap:8px;font:13px/1.45 system-ui,sans-serif;color:#8899b0}
.mp-meta-row{display:flex;justify-content:space-between;gap:12px}
.mp-meta-row strong{color:#e8edf5}

/* ── Prejoin ── */
.mp-prejoin-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;margin-top:20px}
.mp-preview-wrap{position:relative;border-radius:18px;overflow:hidden;background:#0a0f1a;min-height:280px}
.mp-preview-video{width:100%;height:100%;min-height:280px;object-fit:cover;display:block;border-radius:18px;transform:scaleX(-1)}
.mp-preview-controls{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.mp-video-placeholder{min-height:280px;display:grid;place-items:center;background:linear-gradient(145deg,#0f1f3d,#22385f);border-radius:18px;text-align:center;padding:20px}
.mp-ph-text{font:600 16px/1.6 system-ui,sans-serif;color:#c0cde0}
.mp-prejoin-info{display:flex;flex-direction:column;gap:14px}

/* ── Control buttons ── */
.mp-ctrl-btn{width:44px;height:44px;border-radius:50%;border:0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;background:rgba(255,255,255,.12);color:#fff}
.mp-ctrl-btn:hover{background:rgba(255,255,255,.22)}
.mp-ctrl-active{background:rgba(59,130,246,.3);color:#60a5fa}
.mp-ctrl-off{background:rgba(239,68,68,.25);color:#f87171}
.mp-ctrl-danger{background:rgba(239,68,68,.2);color:#f87171}
.mp-ctrl-danger:hover{background:rgba(239,68,68,.4)}

/* ── Session layout ── */
.mp-session{display:flex;flex-direction:column;height:calc(100vh - 32px)}
.mp-session-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid #2a3650;flex-shrink:0}
.mp-session-title .mp-kicker{margin-bottom:2px}
.mp-session-title h2{font-size:20px;margin:4px 0 0;color:#fff}
.mp-session-meta{display:flex;gap:8px;align-items:center}
.mp-session-body{display:grid;grid-template-columns:1fr 320px;gap:16px;flex:1;min-height:0;margin-top:14px}

/* ── Video grid ── */
.mp-video-area{display:flex;flex-direction:column;min-height:0}
.mp-video-grid{flex:1;display:grid;gap:8px;border-radius:14px;overflow:hidden;min-height:0}
.mp-video-grid[data-count="1"]{grid-template-columns:1fr}
.mp-video-grid[data-count="2"]{grid-template-columns:1fr 1fr}
.mp-video-grid[data-count="3"]{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.mp-video-grid[data-count="3"] .mp-video-tile:first-child{grid-column:1/-1}
.mp-video-grid[data-count="4"]{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.mp-video-grid[data-count="5"]{grid-template-columns:1fr 1fr 1fr;grid-template-rows:1fr 1fr}
.mp-video-grid[data-count="5"] .mp-video-tile:nth-child(4){grid-column:1/3}
.mp-video-grid[data-count="5"] .mp-video-tile:nth-child(5){grid-column:2/4}

.mp-video-tile{position:relative;background:#0a0f1a;border-radius:12px;overflow:hidden;min-height:200px}
.mp-video-tile video{width:100%;height:100%;object-fit:cover;display:block}
.mp-tile-local video{transform:scaleX(-1)}
.mp-tile-label{position:absolute;bottom:8px;left:8px;font:600 12px/1 system-ui,sans-serif;color:#fff;background:rgba(0,0,0,.55);padding:5px 10px;border-radius:999px}
.mp-tile-status{position:absolute;top:8px;right:8px;font-size:14px}
.mp-tile-mute-btn{position:absolute;top:8px;left:8px;font:600 11px/1 system-ui,sans-serif;background:rgba(239,68,68,.7);color:#fff;border:0;border-radius:6px;padding:4px 8px;cursor:pointer;opacity:0;transition:opacity .2s}
.mp-video-tile:hover .mp-tile-mute-btn{opacity:1}
.mp-role-tag{font:600 10px/1 system-ui,sans-serif;color:#64748b;text-transform:uppercase;letter-spacing:.06em}

/* ── Controls bar ── */
.mp-controls{display:flex;gap:10px;justify-content:center;padding:14px 0 4px;flex-shrink:0}

/* ── Right sidebar ── */
.mp-sidebar{display:flex;flex-direction:column;min-height:0;background:#111827;border:1px solid #2a3650;border-radius:14px;overflow:hidden}
.mp-sidebar-tabs{display:flex;flex-shrink:0;border-bottom:1px solid #2a3650}
.mp-sidebar-tab{flex:1;border:0;background:none;color:#64748b;font:600 12px/1 system-ui,sans-serif;padding:12px 8px;cursor:pointer;transition:all .15s;position:relative}
.mp-sidebar-tab:hover{color:#8899b0;background:rgba(255,255,255,.03)}
.mp-sidebar-tab.mp-tab-active{color:#e8edf5}
.mp-sidebar-tab.mp-tab-active::after{content:"";position:absolute;bottom:0;left:16px;right:16px;height:2px;background:#3b82f6;border-radius:2px 2px 0 0}
.mp-sidebar-tab .mp-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;border-radius:999px;background:rgba(255,255,255,.1);color:#8899b0;font:600 10px/1 system-ui,sans-serif;padding:0 5px;margin-left:6px}
.mp-sidebar-pane{display:none;flex:1;flex-direction:column;min-height:0;padding:14px}
.mp-sidebar-pane.mp-pane-active{display:flex}

/* ── Chat panel ── */
.mp-pinned-msg{background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.25);border-radius:10px;padding:10px 12px;font:13px/1.4 system-ui,sans-serif;color:#93c5fd;margin-bottom:10px;flex-shrink:0}
.mp-pinned-msg strong{color:#60a5fa}
.mp-chat-box{flex:1;overflow-y:auto;min-height:0;padding-right:4px}
.mp-chat-form{display:flex;gap:8px;margin-top:10px;flex-shrink:0}
.mp-chat-input{flex:1;border:1px solid #2a3650;border-radius:10px;padding:9px 12px;font:13px/1.4 system-ui,sans-serif;background:#0f1729;color:#e8edf5}
.mp-chat-input::placeholder{color:#556580}

/* ── Chat messages ── */
.mp-msg{padding:8px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.mp-msg:last-child{border-bottom:0}
.mp-msg strong{display:flex;align-items:center;gap:6px;color:#c0cde0;font:600 12px/1.3 system-ui,sans-serif}
.mp-msg span{display:block;color:#8899b0;font:13px/1.45 system-ui,sans-serif;margin-top:3px}
.mp-msg-pinned{background:rgba(59,130,246,.08);border-radius:8px;padding:8px 10px;margin:-2px -4px}
.mp-pin-btn{background:none;border:0;cursor:pointer;font-size:12px;opacity:.4;padding:0 2px;transition:opacity .15s}
.mp-pin-btn:hover{opacity:1}

/* ── Participants list ── */
.mp-participants-list{flex:1;overflow-y:auto;min-height:0;padding-right:4px}
.mp-participant-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.mp-participant-item:last-child{border-bottom:0}
.mp-participant-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#8b5cf6);display:flex;align-items:center;justify-content:center;font:600 13px/1 system-ui,sans-serif;color:#fff;flex-shrink:0;text-transform:uppercase}
.mp-participant-info{flex:1;min-width:0}
.mp-participant-name{font:600 13px/1.3 system-ui,sans-serif;color:#e8edf5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mp-participant-role{font:600 10px/1 system-ui,sans-serif;color:#64748b;text-transform:uppercase;letter-spacing:.06em;margin-top:2px}
.mp-participant-status{display:flex;gap:4px;font-size:13px;flex-shrink:0}
.mp-participant-online{width:8px;height:8px;border-radius:50%;background:#16a34a;flex-shrink:0;margin-top:3px}

/* ── Toast notifications ── */
.mp-toast-container{position:fixed;top:72px;left:50%;transform:translateX(-50%);z-index:1000;display:flex;flex-direction:column;align-items:center;gap:6px;pointer-events:none}
.mp-toast{background:rgba(17,24,39,.92);border:1px solid #2a3650;border-radius:999px;padding:8px 18px;font:500 12px/1.3 system-ui,sans-serif;color:#8899b0;backdrop-filter:blur(8px);animation:mp-toast-in .3s ease,mp-toast-out .4s ease 29.6s forwards;pointer-events:none}
@keyframes mp-toast-in{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@keyframes mp-toast-out{from{opacity:1}to{opacity:0;transform:translateY(-6px)}}

/* ── Header participants button ── */
.mp-pill-btn{cursor:pointer;transition:all .15s;user-select:none;border:0}
.mp-pill-btn:hover{background:rgba(255,255,255,.15)}

/* ── Responsive ── */
@media(max-width:900px){
  .mp-prejoin-grid{grid-template-columns:1fr}
  .mp-session-body{grid-template-columns:1fr;grid-template-rows:1fr auto}
  .mp-sidebar{max-height:280px}
  .mp-card h1{font-size:28px}
  .mp-session{height:auto;max-height:none}
}
@media(max-width:600px){
  .mp-card{padding:16px;border-radius:16px}
  .mp-video-grid{grid-template-columns:1fr!important}
  .mp-video-grid .mp-video-tile{grid-column:auto!important}
  .mp-controls{gap:6px}
  .mp-ctrl-btn{width:38px;height:38px}
}