/* OS chrome — top bar, main stage, taskbar, start menu, mini-player.
   Ported from c:\weepsi-adminaor\adminaor\assets\css\os-core.css. */
/* ============ Top action bar ============ */
.os-top-bar {
    height: var(--os-topbar-h);
    background: var(--os-surface);
    border-bottom: 1px solid var(--os-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0.75rem;
    z-index: var(--z-topbar);
    flex-shrink: 0;
}
.active-module-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}
.active-module-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--header-app-brand, var(--os-accent));
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background var(--duration-normal) var(--ease-default);
    font-size: 1.3rem;
    color: #fff;
}
.active-module-info { display: flex; flex-direction: column; justify-content: center; }
.active-module-title {
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--os-text-main);
}
.active-module-subtitle {
    font-size: 0.75rem;
    color: var(--os-text-muted);
    line-height: 1.1;
    margin-top: 2px;
}
.top-bar-right {
    display: flex; align-items: center; gap: 0.4rem;
}
.top-bar-btn {
    height: 38px; min-width: 38px;
    padding: 0 0.8rem;
    border-radius: var(--os-radius-sm);
    color: var(--os-text-muted);
    display: inline-flex; align-items: center; gap: 6px;
    font-size: var(--fs-small); font-weight: 600;
    transition: all var(--duration-fast) var(--ease-default);
}
.top-bar-btn:hover { background: rgba(255, 255, 255, 0.06); color: var(--os-text-main); }
/* ============ Main stage ============ */
.os-main-stage {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
    position: relative;
    background: var(--os-bg);
}
.os-stage-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-6) var(--space-8);
}
/* ============ Bottom taskbar ============ */
.os-taskbar {
    height: var(--os-taskbar-h);
    background: var(--os-surface);
    border-top: 1px solid var(--os-border);
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    z-index: var(--z-taskbar);
    flex-shrink: 0;
    gap: 0.5rem;
}
.taskbar-apps {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    overflow-x: auto;
    scrollbar-width: none;
    height: 100%;
}
.taskbar-apps::-webkit-scrollbar { display: none; }
.taskbar-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--os-text-muted);
    height: 42px;
    min-width: 42px;
    padding: 0 0.55rem;
    border-radius: var(--os-radius-sm);
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: all var(--duration-fast) var(--ease-default);
    position: relative;
}
.taskbar-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}
.taskbar-btn.active {
    background: var(--app-brand, var(--os-accent)) !important;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}
.taskbar-btn .tb-label {
    font-size: var(--fs-small);
    font-weight: 600;
}
.start-btn {
    background: var(--os-accent);
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    border-color: transparent;
    padding: 0 0.85rem;
    gap: 0.4rem;
}
.start-btn:hover { background: var(--os-accent-hover); }
.start-btn .start-glyph {
    width: 22px; height: 22px;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    font-size: 0.85rem;
}
.taskbar-tray {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    height: 100%;
}
.tray-btn {
    background: transparent;
    color: var(--os-text-muted);
    height: 42px;
    padding: 0 0.7rem;
    border-radius: var(--os-radius-sm);
    font-size: var(--fs-small);
    font-weight: 600;
    display: inline-flex; align-items: center; gap: 6px;
    transition: all var(--duration-fast) var(--ease-default);
}
.tray-btn:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.tray-clock {
    display: flex; flex-direction: column;
    align-items: flex-end;
    line-height: 1.1;
    padding: 0.3rem 0.7rem;
    border-radius: var(--os-radius-sm);
    cursor: pointer;
}
.tray-clock:hover { background: rgba(255, 255, 255, 0.06); }
.tray-clock .os-time { font-size: 0.9rem; font-weight: 600; color: var(--os-text-main); }
.tray-clock .os-date { font-size: 0.72rem; color: var(--os-text-muted); margin-top: 1px; }
[dir="rtl"] .tray-clock { align-items: flex-start; }
/* ============ Start menu ============ */
.os-start-menu {
    position: fixed;
    bottom: calc(var(--os-taskbar-h) + 12px);
    inset-inline-start: 1.5rem;
    width: 680px;
    min-height: 460px;
    max-height: calc(100vh - 90px);
    background: var(--os-surface);
    border: 1px solid var(--os-border);
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.65);
    display: flex;
    transform: translateY(20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: var(--z-startmenu);
    overflow: hidden;
}
.os-start-menu.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}
.start-menu-side {
    width: 240px;
    flex-shrink: 0;
    background: var(--os-surface-light);
    border-inline-end: 1px solid var(--os-border);
    display: flex;
    flex-direction: column;
    padding: 1.25rem 1rem;
}
.start-menu-profile-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    background: rgba(0, 0, 0, 0.15);
    padding: 0.75rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.start-menu-profile-card .avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--os-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; font-weight: 800; color: #fff;
}
.start-menu-profile-card strong {
    display: block;
    font-size: 0.9rem;
    color: var(--os-text-main);
}
.start-menu-role {
    font-size: 0.7rem;
    color: var(--os-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.start-menu-side-spacer { flex: 1; }
.start-menu-actions {
    display: flex; gap: 0.5rem; margin-top: 1rem;
}
.start-menu-actions .action-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--os-border);
    color: var(--os-text-main);
    height: 40px;
    border-radius: var(--os-radius-sm);
    font-size: 1rem;
    transition: all var(--duration-fast) var(--ease-default);
}
.start-menu-actions .action-btn:hover { background: rgba(255, 255, 255, 0.1); }
.start-menu-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.start-menu-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--os-border);
}
.start-menu-search input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--os-text-main);
    font-size: 0.9rem;
}
.start-menu-search input::placeholder { color: rgba(255, 255, 255, 0.3); }
.start-menu-scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
}
.start-menu-category-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--os-text-muted);
    padding: 0.5rem 0.25rem 0.25rem;
}
.start-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
}
.menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0.75rem 0.35rem 0.5rem;
    border-radius: var(--os-radius-sm);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    color: var(--os-text-main);
    gap: 0.4rem;
    min-height: 96px;
    text-decoration: none;
}
.menu-item:hover { background: rgba(255, 255, 255, 0.06); transform: scale(1.04); }
.menu-item-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--menu-icon-bg, var(--os-accent));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: transform 0.2s ease;
}
.menu-item:hover .menu-item-icon { transform: scale(1.07); }
.menu-item-label {
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--os-text-main);
}
/* ============ Mini player (above taskbar) ============ */
.os-mini-player {
    position: fixed;
    bottom: calc(var(--os-taskbar-h) + 12px);
    inset-inline-end: 1rem;
    width: 360px;
    height: var(--os-player-h);
    background: var(--os-surface);
    border: 1px solid var(--os-border);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-player);
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    overflow: hidden;
}
.os-mini-player.show { display: flex; }
.os-mini-player .mp-cover {
    width: 56px; height: 56px;
    border-radius: 10px;
    background: linear-gradient(135deg, #2a1b3d, #1e0d2e);
    overflow: hidden;
    flex-shrink: 0;
}
.os-mini-player .mp-cover img { width: 100%; height: 100%; object-fit: cover; }
.os-mini-player .mp-info {
    flex: 1;
    min-width: 0;
}
.os-mini-player .mp-title {
    font-size: var(--fs-small);
    font-weight: 700;
    color: var(--os-text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.os-mini-player .mp-meta {
    font-size: var(--fs-caption);
    color: var(--os-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.os-mini-player .mp-controls {
    display: flex;
    align-items: center;
    gap: 0.2rem;
}
.os-mini-player .mp-btn {
    width: 34px; height: 34px;
    border-radius: 50%;
    color: var(--os-text-main);
    display: inline-flex; align-items: center; justify-content: center;
    transition: background var(--duration-fast) var(--ease-default);
}
.os-mini-player .mp-btn:hover { background: rgba(255, 255, 255, 0.08); }
.os-mini-player .mp-play {
    background: var(--os-accent);
    color: #fff;
    width: 38px; height: 38px;
}
.os-mini-player .mp-play:hover { background: var(--os-accent-hover); }
.os-mini-player .mp-progress-track {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 5px;
    background: rgba(255, 255, 255, 0.06);
    cursor: pointer;
    touch-action: none;
    transition: height var(--duration-fast) var(--ease-default);
}
.os-mini-player .mp-progress-track:hover,
.os-mini-player .mp-progress-track:focus-visible { height: 8px; outline: none; }
.os-mini-player .mp-progress {
    position: absolute;
    bottom: 0; left: 0;
    height: 100%;
    width: 0;
    background: var(--os-accent);
    pointer-events: none;
    transition: width 0.1s linear;
}
@media (max-width: 480px) {
    .os-mini-player {
        inset-inline-start: 0.5rem;
        inset-inline-end: 0.5rem;
        width: auto;
        max-width: none;
        gap: 0.5rem;
        padding: 0.4rem 0.55rem;
    }
    .os-mini-player .mp-cover {
        width: 44px; height: 44px;
        border-radius: 8px;
    }
    .os-mini-player .mp-title { font-size: var(--fs-caption); }
    .os-mini-player .mp-meta  { font-size: 0.7rem; }
    .os-mini-player .mp-controls { gap: 0.1rem; }
    .os-mini-player .mp-btn  { width: 30px; height: 30px; }
    .os-mini-player .mp-play { width: 34px; height: 34px; }
}
@media (max-width: 360px) {
    .os-mini-player {
        inset-inline-start: 0.35rem;
        inset-inline-end: 0.35rem;
        padding: 0.35rem 0.45rem;
        gap: 0.4rem;
    }
    .os-mini-player .mp-cover { width: 40px; height: 40px; }
    .os-mini-player #mpPrev,
    .os-mini-player #mpNext { width: 28px; height: 28px; }
    .os-mini-player .mp-play { width: 32px; height: 32px; }
}
/* ============ Schedule watchdog overlay ============ */
.wos-sched-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0, 0, 0, 0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
}
.wos-sched-card {
    background: var(--os-surface);
    border: 1px solid var(--os-border);
    border-radius: 16px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
    padding: 1.75rem 1.75rem 1.5rem;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    box-sizing: border-box;
}
.wos-sched-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.sw-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
}
.swb-critical { background: rgba(220, 38, 38, 0.18); color: #f87171; border: 1px solid rgba(220, 38, 38, 0.35); }
.swb-high     { background: rgba(217, 119, 6, 0.18);  color: #fbbf24; border: 1px solid rgba(217, 119, 6, 0.35); }
.swb-medium   { background: rgba(5, 150, 105, 0.18);  color: #34d399; border: 1px solid rgba(5, 150, 105, 0.35); }
.swb-low      { background: rgba(255, 255, 255, 0.05); color: var(--os-text-muted); border: 1px solid var(--os-border); }
.sw-time {
    font-size: 0.78rem;
    color: var(--os-text-muted);
    text-align: right;
    flex-shrink: 0;
}
.sw-tz {
    font-size: 0.68rem;
    opacity: 0.7;
}
.wos-sched-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--os-text-main);
    margin: 0;
    line-height: 1.3;
}
.sw-details {
    font-size: 0.88rem;
    color: var(--os-text-muted);
    margin: 0;
    line-height: 1.5;
}
.sw-extra {
    font-size: 0.78rem;
    color: var(--os-text-muted);
    padding: 0.35rem 0.65rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--os-radius-sm);
    border: 1px solid var(--os-border);
    text-align: center;
}
.wos-sched-err {
    font-size: 0.82rem;
    color: #f87171;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.25);
    border-radius: var(--os-radius-sm);
    padding: 0.5rem 0.75rem;
}
.wos-sched-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 0.25rem;
}
.sw-btn {
    flex: 1 1 120px;
    height: 38px;
    border-radius: var(--os-radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-fast, 0.15s) ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sw-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.sw-ack    { background: var(--os-accent); color: #fff; border: none; }
.sw-ack:not(:disabled):hover { background: var(--os-accent-hover); }
.sw-snooze { background: rgba(255, 255, 255, 0.06); color: var(--os-text-main); border: 1px solid var(--os-border); }
.sw-snooze:not(:disabled):hover { background: rgba(255, 255, 255, 0.1); }
.sw-done   { background: rgba(5, 150, 105, 0.15); color: #34d399; border: 1px solid rgba(5, 150, 105, 0.3); }
.sw-done:not(:disabled):hover { background: rgba(5, 150, 105, 0.25); }
.sw-open   { background: transparent; color: var(--os-text-muted); border: 1px solid var(--os-border); }
.sw-open:not(:disabled):hover { color: var(--os-text-main); background: rgba(255, 255, 255, 0.04); }
@media (max-width: 480px) {
    .wos-sched-card {
        padding: 1.25rem 1rem 1rem;
        border-radius: 12px;
    }
    .sw-btn { flex-basis: 100%; }
    .sw-time { text-align: left; }
}
@media (max-width: 640px) {
    .taskbar-btn .tb-label {
        display: none;
    }
    .taskbar-btn {
        min-width: 36px;
        padding: 0 0.35rem;
        font-size: 1.1rem;
    }
    .start-btn {
        padding: 0 0.6rem;
        flex-shrink: 0;
    }
    .start-btn,
    .taskbar-tray {
        flex-shrink: 0;
    }
    .tray-clock .os-date {
        display: none;
    }
    .tray-clock {
        padding: 0.3rem 0.4rem;
    }
    .os-stage-scroll {
        padding: 16px 12px;
    }
}
/* ============ PRD-018: Mobile top bar density ============ */
@media (max-width: 640px) {
    .os-top-bar { height: 48px; }
    .active-module-icon { width: 32px; height: 32px; font-size: 1rem; }
    .active-module-subtitle { display: none; }
    .top-bar-btn > span { display: none; }
}
/* ============ PRD-016 / PRD-012: Focus-visible rings ============ */
.top-bar-btn:focus-visible,
.taskbar-btn:focus-visible,
.tray-btn:focus-visible,
.action-btn:focus-visible,
.menu-item:focus-visible,
.sw-btn:focus-visible,
.mp-btn:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.55);
    outline-offset: 2px;
}
.taskbar-btn.active:focus-visible { outline-color: rgba(255, 255, 255, 0.8); }
/* ============ PRD-017: RTL isolation for mixed Hebrew/Latin content ============ */
/* Apply to any filename, path segment, or user-content text element */
.os-bdi,
.os-filename,
[data-filename],
[data-bdi] { unicode-bidi: isolate; }
/* ============ PRD-014: Keyboard shortcuts overlay ============ */
.os-kbd-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: rgba(0, 0, 0, 0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
}
.os-kbd-overlay[hidden] { display: none; }
.os-kbd-card {
    background: var(--os-surface);
    border: 1px solid var(--os-border-strong);
    border-radius: var(--os-radius-lg);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
    padding: 1.5rem;
    width: 100%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    box-sizing: border-box;
}
.os-kbd-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}
.os-kbd-header h2 {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--os-text-main);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.os-kbd-section { margin-bottom: 1.1rem; }
.os-kbd-section-title {
    font-size: var(--fs-overline);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--os-text-muted);
    margin-bottom: 0.45rem;
}
.os-kbd-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: center;
    gap: 0.6rem;
    padding: 0.25rem 0;
}
.os-kbd-keys { display: flex; gap: 0.25rem; align-items: center; }
.os-kbd-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    min-width: 22px;
    padding: 0 0.4rem;
    background: var(--os-surface-light);
    border: 1px solid var(--os-border-strong);
    border-bottom-width: 2px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--os-text-main);
    font-family: var(--font-mono);
    white-space: nowrap;
}
.os-kbd-desc {
    font-size: var(--fs-small);
    color: var(--os-text-muted);
}
@media (max-width: 480px) {
    .os-kbd-row { grid-template-columns: 110px 1fr; }
    .os-kbd-card { padding: 1.1rem; }
}