* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f1115; --bg-2: #151922; --panel: #171b24; --panel-2: #1e2430; --line: #2a313f;
  --text: #e7ebf2; --muted: #8b93a3; --accent: #EA4A1C; --accent-2: #ff7a3d;
  --danger: #ff5a5f; --warn: #ffb020; --ok: #2fd08a; --radius: 12px; --shadow: 0 10px 40px rgba(0,0,0,.45);
}
html, body { height: 100%; }
body { font-family: -apple-system, "Segoe UI", Roboto, sans-serif; background: radial-gradient(1200px 600px at 20% -10%, #211a16 0%, var(--bg) 55%); color: var(--text); overflow: hidden; user-select: none; display: flex; flex-direction: column; height: 100vh; }

#topbar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: rgba(20,24,32,.75); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-omsk { height: 34px; width: auto; }
.brand-name { font-weight: 800; font-size: 16px; letter-spacing: .3px; }
#liveBadge { display: flex; align-items: center; gap: 7px; margin-left: 6px; background: rgba(255,90,95,.15); color: var(--danger); padding: 5px 11px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .5px; }
#liveBadge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); animation: pulse 1.2s infinite; }
#liveTimer { font-variant-numeric: tabular-nums; margin-left: 4px; opacity: .9; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.spacer { flex: 1; }
.session-box { display: flex; align-items: center; gap: 7px; }
.sess-label { font-size: 12px; color: var(--muted); }
#sessionName { background: var(--panel-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 6px 10px; font-size: 13px; width: 150px; outline: none; }
#sessionName:focus { border-color: var(--accent); }

button { font-family: inherit; cursor: pointer; }
.icon-btn { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); font-size: 16px; }
.icon-btn:hover { background: var(--line); }
.ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 8px; padding: 6px 10px; font-size: 12px; }
.ghost:hover { color: var(--text); border-color: var(--accent); }
.ghost.mail { color: var(--text); border-color: var(--accent); }
.ghost.mail:hover { background: rgba(234,74,28,.15); }

#app { display: flex; flex: 1; min-height: 0; }
#sidebar { width: 280px; min-width: 280px; background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; font-weight: 600; font-size: 14px; border-bottom: 1px solid var(--line); }
.sidebar-head #addBtn { width: 28px; height: 28px; border-radius: 8px; border: none; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-size: 18px; line-height: 1; }
.sidebar-head #addBtn:hover { filter: brightness(1.1); }
.search-box { padding: 8px 12px 4px; }
.search-box input { width: 100%; background: var(--panel-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 7px 10px; font-size: 12px; outline: none; }
.search-box input:focus { border-color: var(--accent); }
#deckList { list-style: none; overflow-y: auto; flex: 1; padding: 6px; }
#deckList li { padding: 10px 12px; font-size: 13px; cursor: pointer; border-radius: 10px; display: flex; align-items: center; gap: 9px; margin-bottom: 4px; border: 1px solid transparent; }
#deckList li:hover { background: var(--panel-2); }
#deckList li.active { background: linear-gradient(135deg, rgba(234,74,28,.18), rgba(255,122,61,.14)); border-color: rgba(234,74,28,.4); }
#deckList li.dragging { opacity: .4; }
#deckList li.dragover { border-color: var(--accent); }
.badge { font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 5px; background: var(--panel-2); color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.badge.pdf { background: rgba(255,90,95,.18); color: #ff8a8e; }
.badge.ppt { background: rgba(255,176,32,.18); color: var(--warn); }
.badge.img { background: rgba(47,208,138,.18); color: var(--ok); }
.badge.vid { background: rgba(234,74,28,.2); color: var(--accent-2); }
#deckList li .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#deckList li .name-edit { flex: 1; background: var(--bg); border: 1px solid var(--accent); color: var(--text); border-radius: 6px; padding: 3px 6px; font-size: 13px; outline: none; }
#deckList li .del { color: var(--muted); opacity: 0; font-size: 14px; padding: 0 2px; }
#deckList li:hover .del { opacity: 1; }
#deckList li .del:hover { color: var(--danger); }
#dropHint { padding: 16px; text-align: center; font-size: 12px; color: var(--muted); border-top: 1px dashed var(--line); line-height: 1.6; }
#dropHint small { color: #5c6577; }

#center { flex: 1; display: flex; flex-direction: column; min-width: 0; }
#toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
#toolbar button, #toolbar select { height: 38px; flex-shrink: 0; white-space: nowrap; background: var(--panel-2); color: var(--text); border: 1px solid var(--line); border-radius: 9px; padding: 0 13px; font-size: 13px; font-weight: 500; line-height: 1; }
#toolbar button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
#toolbar button:hover:not(:disabled) { background: var(--line); }
#toolbar button:disabled { opacity: .35; cursor: default; }
#toolbar button.nav { padding: 0 11px; font-size: 15px; }
#toolbar button.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; color: #fff; }
#toolbar button.primary:hover { filter: brightness(1.08); }
#toolbar button.danger { background: rgba(255,90,95,.15); border-color: rgba(255,90,95,.4); color: #ff8a8e; }
#toolbar button.danger:not(:disabled):hover { background: var(--danger); color: #fff; }
#toolbar button.warn.active, #toolbar button.warn:hover { background: rgba(255,176,32,.2); border-color: var(--warn); color: var(--warn); }
#toolbar button.active { outline: 2px solid var(--accent); }
#gotoSlide, #autoSec { height: 38px; flex-shrink: 0; width: 54px; background: var(--panel-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 0 8px; font-size: 13px; outline: none; text-align: center; }
#gotoSlide:focus, #autoSec:focus { border-color: var(--accent); }
#autoBtn.active { background: rgba(47,208,138,.2); border-color: var(--ok); color: var(--ok); }
.sec-label { font-size: 12px; color: var(--muted); margin-left: -3px; }
.vol { display: flex; align-items: center; gap: 6px; }
.vol-ic { font-size: 14px; }
#volumeSlider { width: 92px; accent-color: var(--accent); cursor: pointer; }
/* убираем встроенный регулятор громкости у превью — громкость только ползунком в панели */
#mainVideo::-webkit-media-controls-mute-button,
#mainVideo::-webkit-media-controls-volume-control-container,
#mainVideo::-webkit-media-controls-volume-slider { display: none !important; }
#counter { font-size: 13px; color: var(--muted); min-width: 66px; text-align: center; }
#displaySelect { max-width: 210px; outline: none; }

#stage { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; background: #07080b; padding: 24px; min-height: 0; }
#mainCanvas, #mainImage, #mainVideo { max-width: 100%; max-height: 100%; border-radius: 8px; box-shadow: 0 8px 40px rgba(0,0,0,.6); background: #000; display: none; }
#mainCanvas { background: #fff; }
#emptyState { position: absolute; color: var(--muted); font-size: 15px; }
#loading { position: absolute; inset: 0; background: rgba(7,8,11,.82); display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 14px; }
#loading.hidden { display: none; }
.spinner { width: 22px; height: 22px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
#freezeTag { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); background: rgba(255,176,32,.16); color: var(--warn); border: 1px solid rgba(255,176,32,.5); padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .5px; }

#stripBar { display: flex; align-items: center; gap: 10px; padding: 6px 16px 0; background: var(--panel); }
.strip-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
#thumbZoom { flex: 0 0 160px; accent-color: var(--accent); cursor: pointer; }
#thumbStrip { height: calc(var(--thumb-h, 94px) + 34px); display: flex; align-items: center; gap: 9px; overflow-x: auto; overflow-y: hidden; padding: 12px 16px; background: var(--panel); border-top: 1px solid var(--line); }
#thumbStrip .thumb { height: var(--thumb-h, 94px); flex: 0 0 auto; border: 2px solid transparent; border-radius: 6px; cursor: pointer; background: #fff; position: relative; overflow: hidden; }
#thumbStrip .thumb.active { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(234,74,28,.25); }
#thumbStrip .thumb canvas { height: 100%; display: block; }
#thumbStrip .thumb .num { position: absolute; bottom: 2px; right: 3px; font-size: 10px; background: rgba(0,0,0,.65); color: #fff; padding: 0 5px; border-radius: 4px; }

.modal { position: fixed; inset: 0; background: rgba(4,6,10,.6); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal.hidden { display: none; }
.modal-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); width: 520px; max-width: 92vw; max-height: 86vh; overflow: auto; padding: 22px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.modal-head h2 { font-size: 17px; font-weight: 700; }
.modal-close { background: transparent; border: none; color: var(--muted); font-size: 18px; }
.modal-close:hover { color: var(--text); }
.modal-sub { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.modal-foot .primary, #saveShortcuts { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #fff; border-radius: 9px; padding: 9px 16px; font-size: 13px; }
.sc-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); }
.sc-row .sc-name { font-size: 13px; }
.sc-key { min-width: 150px; text-align: center; background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font-size: 13px; color: var(--text); cursor: pointer; font-family: monospace; }
.sc-key.capturing { border-color: var(--accent); color: var(--accent); }
.about { text-align: center; width: 440px; }
.about-name { font-size: 20px; font-weight: 800; }
.about-ver { font-size: 12px; color: var(--muted); margin-top: 3px; }
.about-desc { font-size: 13px; color: var(--text); margin: 16px 0 14px; }
.omsk-logo { display: block; margin: 4px auto 12px; width: 200px; max-width: 72%; }
.about-credit { font-size: 12px; color: var(--muted); line-height: 1.6; padding-top: 14px; border-top: 1px solid var(--line); }
.startup { width: 460px; text-align: center; }
.startup-actions { display: flex; flex-direction: column; gap: 12px; }
button.big { padding: 14px 18px; font-size: 15px; border-radius: 11px; width: 100%; }
button.primary.big { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #fff; }
button.ghost.big:hover { color: var(--text); border-color: var(--accent); }
.sess-item { display: flex; align-items: center; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; }
.sess-item:hover { border-color: var(--accent); }
.sess-item .si-main { flex: 1; cursor: pointer; }
.sess-item .si-name { font-size: 14px; font-weight: 600; }
.sess-item .si-meta { font-size: 11px; color: var(--muted); margin-top: 2px; }
.sess-item .si-del { color: var(--muted); background: transparent; border: none; font-size: 15px; }
.sess-item .si-del:hover { color: var(--danger); }
/* --- Импорт из почты (IMAP) --- */
.modal-card.imap { width: 560px; }
.imap-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.imap-row > label { font-size: 12px; color: var(--muted); }
.imap-row input { width: 100%; background: var(--panel-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 10px 12px; font-size: 13px; outline: none; }
.imap-row input:focus { border-color: var(--accent); }
.imap-row input::placeholder { color: #566072; }
.imap-hostport { display: flex; gap: 8px; }
.imap-hostport #imapHost { flex: 1; }
.imap-hostport #imapPort { flex: 0 0 84px; text-align: center; }
.imap-hint { font-size: 12px; color: var(--accent-2); font-family: monospace; margin: -6px 0 14px; min-height: 15px; word-break: break-all; }
.imap-check { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-bottom: 16px; cursor: pointer; }
.imap-check input { accent-color: var(--accent); width: 15px; height: 15px; }
.imap-actions { display: flex; gap: 10px; }
.imap-actions .primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #fff; border-radius: 9px; padding: 11px 16px; font-size: 13px; font-weight: 600; flex: 1; }
.imap-actions .primary:hover:not(:disabled) { filter: brightness(1.08); }
.imap-actions .primary:disabled { opacity: .5; cursor: default; }
.imap-actions .ghost { padding: 11px 16px; }
.imap-status { font-size: 12px; margin-top: 14px; min-height: 16px; }
.imap-status.err { color: var(--danger); }
.imap-status.ok { color: var(--ok); }
.imap-status.wait { color: var(--muted); }
#imapList { margin-top: 8px; }
.mail-item { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-bottom: 8px; }
.mail-item .mi-subj { font-size: 14px; font-weight: 600; margin-bottom: 3px; }
.mail-item .mi-meta { font-size: 11px; color: var(--muted); margin-bottom: 8px; }
.mail-item .mi-atts { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.mail-chip { font-size: 11px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; color: var(--text); }
.mail-chip.link { border-color: rgba(234,74,28,.5); color: var(--accent-2); }
.mail-item .mi-import { background: rgba(234,74,28,.15); border: 1px solid var(--accent); color: var(--accent-2); border-radius: 8px; padding: 7px 13px; font-size: 12px; }
.mail-item .mi-import:hover { background: var(--accent); color: #fff; }
.mail-item .mi-import:disabled { opacity: .5; cursor: default; }
.mi-linkdbg { margin-top: 10px; padding: 8px 10px; background: rgba(255,90,95,.08); border: 1px solid rgba(255,90,95,.3); border-radius: 8px; font-size: 11px; user-select: text; }
.mi-linkdbg .mi-dbg-h { color: #ff8a8e; margin-bottom: 5px; font-weight: 600; }
.mi-linkdbg .mi-dbg-row { margin-bottom: 3px; word-break: break-all; }
.mi-linkdbg .mi-dbg-url { color: var(--accent-2); font-family: monospace; }
.mi-linkdbg .mi-dbg-err { color: var(--muted); }

/* --- Preflight --- */
.modal-card.preflight { width: 620px; }
.pf-summary { font-size: 14px; font-weight: 600; padding: 12px 14px; border-radius: 10px; margin-bottom: 14px; }
.pf-summary.ok { background: rgba(47,208,138,.15); color: var(--ok); }
.pf-summary.warn { background: rgba(255,176,32,.15); color: var(--warn); }
.pf-summary.err { background: rgba(255,90,95,.15); color: #ff8a8e; }
.pf-item { display: flex; gap: 10px; padding: 10px 4px; border-bottom: 1px solid var(--line); font-size: 13px; }
.pf-item .pf-ic { font-size: 15px; flex: 0 0 20px; text-align: center; }
.pf-item .pf-body { flex: 1; min-width: 0; }
.pf-item .pf-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pf-item .pf-note { font-size: 12px; color: var(--muted); margin-top: 2px; }
.pf-item.warn .pf-note { color: var(--warn); }
.pf-item.err .pf-note { color: #ff8a8e; }

.hidden { display: none !important; }