/* sys.quebec - OS Souverain */
/* Fonts are loaded globally from /os/fonts.css */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-glass: rgba(18, 18, 26, 0.85);
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --accent-blue: #4a9eff;
    --accent-purple: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #4a9eff 0%, #8b5cf6 100%);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-glow: 0 0 40px rgba(74, 158, 255, 0.15);
    --taskbar-height: 56px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    user-select: none;
}

/* Background avec effet aurore boréale */
.desktop {
    position: relative;
    width: 100%;
    height: calc(100vh - var(--taskbar-height));
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(74, 158, 255, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.06) 0%, transparent 70%),
        var(--bg-primary);
    padding: 32px;
    display: grid;
    grid-template-columns: repeat(auto-fill, 100px);
    grid-template-rows: repeat(auto-fill, 110px);
    gap: 16px;
    align-content: start;
}

/* Icônes d'applications */
.app-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text-primary);
    background: transparent;
    border: none;
    font-family: inherit;
}

.app-icon:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}

.app-icon:active {
    transform: scale(0.95);
}

.app-icon-image {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.app-icon:hover .app-icon-image {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

.app-icon-image svg {
    width: 28px;
    height: 28px;
    stroke: white;
    stroke-width: 1.5;
    fill: none;
}

.app-icon-label {
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* Badge sur les icônes d'apps */
.app-icon-image {
    position: relative;
}

.app-icon-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: #ef4444;
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.5);
    border: 2px solid var(--bg-primary);
}

.app-icon-badge.visible {
    display: flex;
}

/* Barre des tâches style ChromeOS */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--taskbar-height);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
    z-index: 9999;
}

.taskbar-apps {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    overflow-x: auto;
    padding: 0 16px;
}

.taskbar-app {
    height: 44px;
    min-width: 44px;
    padding: 0 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s ease;
    position: relative;
}

.taskbar-app:hover {
    background: rgba(255, 255, 255, 0.1);
}

.taskbar-app.active {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--border-color);
}

.taskbar-app.active::after {
    content: '';
    position: absolute;
    bottom: -7px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

/* Indicateur de lecture média en cours */
.taskbar-app .media-playing-indicator {
    position: absolute;
    top: 6px;
    right: 6px;
    display: none;
    align-items: flex-end;
    justify-content: center;
    gap: 2px;
    width: 14px;
    height: 12px;
}

.taskbar-app.media-playing .media-playing-indicator {
    display: flex;
}

.media-playing-indicator .bar {
    width: 3px;
    background: #22c55e;
    border-radius: 1px;
    animation: mediaPlayingBars 0.8s ease-in-out infinite;
}

.media-playing-indicator .bar:nth-child(1) {
    height: 40%;
    animation-delay: 0s;
}

.media-playing-indicator .bar:nth-child(2) {
    height: 80%;
    animation-delay: 0.15s;
}

.media-playing-indicator .bar:nth-child(3) {
    height: 60%;
    animation-delay: 0.3s;
}

@keyframes mediaPlayingBars {
    0%, 100% {
        transform: scaleY(0.4);
    }
    50% {
        transform: scaleY(1);
    }
}

/* Version icône desktop aussi */
.app-icon-image .media-playing-badge {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    background: #22c55e;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.5);
}

.app-icon-image .media-playing-badge.visible {
    display: flex;
}

.app-icon-image .media-playing-badge::before {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 4px 0 4px 6px;
    border-color: transparent transparent transparent white;
    margin-left: 2px;
}

.taskbar-app-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.taskbar-app-icon svg {
    width: 14px;
    height: 14px;
    stroke: white;
    stroke-width: 1.5;
    fill: none;
}

.taskbar-app-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.taskbar-end {
    display: flex;
    align-items: center;
    gap: 12px;
}

.system-tray {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: background 0.2s ease;
}

.system-tray:hover {
    background: rgba(255, 255, 255, 0.08);
}

.system-tray svg {
    width: 18px;
    height: 18px;
    stroke: var(--text-secondary);
    stroke-width: 1.5;
    fill: none;
}

.clock {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Fenêtres d'applications */
.windows-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: var(--taskbar-height);
    pointer-events: none;
    z-index: 1000;
}

.app-window {
    position: absolute;
    background: #000;
    border-radius: 16px 16px 3px 3px;
    border: 1px solid rgba(0, 0, 0, 0.5);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    overflow: hidden;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    min-width: 400px;
    min-height: 300px;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.app-window.maximized {
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0;
}

.window-header {
    height: 44px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 12px;
    cursor: grab;
    flex-shrink: 0;
}

.window-header:active {
    cursor: grabbing;
}

.window-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.window-title-icon {
    width: 20px;
    height: 20px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.window-title-icon svg {
    width: 12px;
    height: 12px;
    stroke: white;
    stroke-width: 1.5;
    fill: none;
}

.window-title-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.window-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.window-btn {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: none;
    background: rgba(255, 255, 255, 0.06);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.window-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.window-btn.close:hover {
    background: #ef4444;
}

.window-btn svg {
    width: 14px;
    height: 14px;
    stroke: var(--text-secondary);
    stroke-width: 2;
    fill: none;
}

.window-btn:hover svg {
    stroke: white;
}

.window-content {
    flex: 1;
    overflow: hidden;
    background: #000;
}

.window-content iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #000;
}

/* Resize handles */
.resize-handle {
    position: absolute;
    z-index: 10;
}

.resize-handle.n { top: 0; left: 10px; right: 10px; height: 4px; cursor: n-resize; }
.resize-handle.s { bottom: 0; left: 10px; right: 10px; height: 4px; cursor: s-resize; }
.resize-handle.e { right: 0; top: 10px; bottom: 10px; width: 4px; cursor: e-resize; }
.resize-handle.w { left: 0; top: 10px; bottom: 10px; width: 4px; cursor: w-resize; }
.resize-handle.ne { top: 0; right: 0; width: 10px; height: 10px; cursor: ne-resize; }
.resize-handle.nw { top: 0; left: 0; width: 10px; height: 10px; cursor: nw-resize; }
.resize-handle.se { bottom: 0; right: 0; width: 10px; height: 10px; cursor: se-resize; }
.resize-handle.sw { bottom: 0; left: 0; width: 10px; height: 10px; cursor: sw-resize; }

/* Animations */
@keyframes windowOpen {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.app-window {
    animation: windowOpen 0.2s ease-out;
}

/* Logo sys.quebec */
.sys-logo {
    position: absolute;
    bottom: 80px;
    right: 32px;
    opacity: 0.15;
    pointer-events: none;
}

.sys-logo-text {
    font-size: 48px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Scrollbar personnalisé */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Supprimer TOUTES les flèches de scrollbar */
::-webkit-scrollbar-button {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    background: none !important;
    background-color: transparent !important;
}

::-webkit-scrollbar-button:single-button {
    display: none !important;
    background: transparent !important;
}

::-webkit-scrollbar-button:single-button:vertical:decrement,
::-webkit-scrollbar-button:single-button:vertical:increment,
::-webkit-scrollbar-button:start:decrement,
::-webkit-scrollbar-button:end:increment,
::-webkit-scrollbar-button:vertical:start:decrement,
::-webkit-scrollbar-button:vertical:end:increment,
::-webkit-scrollbar-button:vertical:start:increment,
::-webkit-scrollbar-button:vertical:end:decrement {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    background: none !important;
}

/* ===== Notifications ===== */
.notification-btn {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.notification-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.notification-btn svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.2s ease;
}

.notification-btn:hover svg {
    stroke: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: #ef4444;
    color: white;
    font-size: 10px;
    font-weight: 600;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.2s ease;
}

.notification-badge.visible {
    opacity: 1;
    transform: scale(1);
}

/* Panel de notifications */
.notification-panel {
    position: fixed;
    bottom: calc(var(--taskbar-height) + 12px);
    right: 16px;
    width: 380px;
    max-height: 500px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: panelOpen 0.2s ease-out;
}

.notification-panel.open {
    display: flex;
}

@keyframes panelOpen {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.notification-panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.notification-panel-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.notification-panel-actions {
    display: flex;
    gap: 8px;
}

.notification-action-btn {
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
}

.notification-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Option notifications Chrome */
.notification-chrome-setting {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: rgba(74, 158, 255, 0.05);
    border-bottom: 1px solid var(--border-color);
}

.notification-chrome-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-chrome-icon {
    width: 20px;
    height: 20px;
    stroke: var(--accent-blue);
    stroke-width: 1.5;
    fill: none;
}

.notification-chrome-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.notification-chrome-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.notification-chrome-status {
    font-size: 11px;
    color: var(--text-secondary);
}

.notification-chrome-status.granted {
    color: #22c55e;
}

.notification-chrome-status.denied {
    color: #ef4444;
}

.notification-chrome-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.notification-chrome-toggle .toggle-label-off,
.notification-chrome-toggle .toggle-label-on {
    font-size: 11px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.notification-chrome-toggle .toggle-label-off {
    color: var(--text-secondary);
}

.notification-chrome-toggle .toggle-label-on {
    color: var(--text-secondary);
}

.notification-chrome-toggle .toggle-switch {
    width: 40px;
    height: 22px;
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.notification-chrome-toggle .toggle-knob {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-secondary);
    position: absolute;
    top: 2px;
    left: 2px;
    transition: all 0.25s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* État actif */
.notification-chrome-toggle[data-state="active"] .toggle-switch {
    background: rgba(34, 197, 94, 0.3);
    border-color: #22c55e;
}

.notification-chrome-toggle[data-state="active"] .toggle-knob {
    left: 20px;
    background: #22c55e;
}

.notification-chrome-toggle[data-state="active"] .toggle-label-on {
    color: #22c55e;
}

.notification-chrome-toggle[data-state="active"]:hover .toggle-switch {
    background: rgba(34, 197, 94, 0.4);
}

/* État inactif (granted mais désactivé par l'utilisateur) */
.notification-chrome-toggle[data-state="inactive"] .toggle-switch {
    background: rgba(255, 255, 255, 0.08);
}

.notification-chrome-toggle[data-state="inactive"] .toggle-knob {
    left: 2px;
    background: var(--text-secondary);
}

.notification-chrome-toggle[data-state="inactive"] .toggle-label-off {
    color: var(--text-primary);
}

.notification-chrome-toggle[data-state="inactive"]:hover .toggle-switch {
    background: rgba(255, 255, 255, 0.12);
}

/* État default - permission pas encore demandée */
.notification-chrome-toggle[data-state="default"] .toggle-switch {
    background: rgba(74, 158, 255, 0.2);
    border-color: var(--accent-blue);
    animation: pulse-blue 2s infinite;
}

.notification-chrome-toggle[data-state="default"] .toggle-knob {
    background: var(--accent-blue);
}

@keyframes pulse-blue {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.4); }
    50% { box-shadow: 0 0 0 4px rgba(74, 158, 255, 0); }
}

/* État denied - bloqué par le navigateur */
.notification-chrome-toggle[data-state="denied"] .toggle-switch {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.5);
}

.notification-chrome-toggle[data-state="denied"] .toggle-knob {
    background: #ef4444;
}

.notification-chrome-toggle[data-state="denied"] .toggle-label-off {
    color: #ef4444;
}

.notification-chrome-toggle[data-state="denied"]:hover .toggle-switch {
    background: rgba(239, 68, 68, 0.25);
}

/* État unsupported */
.notification-chrome-toggle[data-state="unsupported"] {
    cursor: not-allowed;
    opacity: 0.5;
}

.notification-chrome-toggle[data-state="unsupported"] .toggle-switch {
    background: rgba(255, 255, 255, 0.05);
}

.notification-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.notification-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
}

.notification-empty svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-secondary);
    stroke-width: 1;
    fill: none;
    opacity: 0.5;
    margin-bottom: 12px;
}

/* Item de notification */
.notification-item {
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    position: relative;
}

.notification-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.notification-item.clickable {
    cursor: pointer;
}

.notification-item.clickable:hover {
    background: rgba(74, 158, 255, 0.1);
}

.notification-item.unread {
    background: rgba(74, 158, 255, 0.08);
    border-left: 3px solid var(--accent-blue);
}

.notification-item.unread:hover {
    background: rgba(74, 158, 255, 0.12);
}

.notification-item-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 6px;
}

.notification-item-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-item-icon svg {
    width: 16px;
    height: 16px;
    stroke: white;
    stroke-width: 1.5;
    fill: none;
}

.notification-item-content {
    flex: 1;
    min-width: 0;
}

.notification-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.notification-item-message {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notification-item-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.notification-item-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.notification-item:hover .notification-item-actions {
    opacity: 1;
}

.notification-item-btn {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.notification-item-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.notification-item-btn.delete:hover {
    background: rgba(239, 68, 68, 0.3);
}

.notification-item-btn svg {
    width: 14px;
    height: 14px;
    stroke: var(--text-secondary);
    stroke-width: 2;
    fill: none;
}

.notification-item-btn:hover svg {
    stroke: white;
}

/* ============================
   OS DIALOG SYSTEM
   ============================ */

/* Variables par défaut pour les dialogues (peuvent être surchargées par l'app) */
.os-dialog {
    --dialog-accent: #4a9eff;
    --dialog-accent-light: #6bb3ff;
    --dialog-accent-dark: #3584e4;
}

/* Overlay sur la fenêtre appelante uniquement */
.os-dialog-app-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 100;
    border-radius: inherit;
    pointer-events: all;
}

/* Fenêtre d'app avec dialogue actif */
.app-window.has-dialog {
    pointer-events: none;
}

.app-window.has-dialog .window-header {
    pointer-events: auto;
}

.app-window.has-dialog .window-content {
    opacity: 0.65;
}

/* Dialogue au niveau OS */
.os-dialog {
    position: fixed;
    min-width: 360px;
    max-width: 90vw;
    max-height: 80vh;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    box-shadow: 
        0 30px 100px rgba(0, 0, 0, 0.8),
        0 15px 50px rgba(0, 0, 0, 0.6),
        0 5px 20px rgba(0, 0, 0, 0.4),
        0 0 1px rgba(255, 255, 255, 0.1);
    z-index: 5000;
    display: none;
    flex-direction: column;
    overflow: hidden;
    transform: translateZ(0);
}

.os-dialog.active {
    display: flex;
}

.os-dialog-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    cursor: grab;
    user-select: none;
}

.os-dialog-header:active {
    cursor: grabbing;
}

.os-dialog-title {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: var(--dialog-accent-light);
}

.os-dialog-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.os-dialog-close:hover {
    background: rgba(239, 68, 68, 0.2);
}

.os-dialog-close svg {
    width: 16px;
    height: 16px;
    stroke: var(--text-secondary);
    stroke-width: 2;
    fill: none;
}

.os-dialog-close:hover svg {
    stroke: #ef4444;
}

.os-dialog-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    color: var(--text-primary);
}

.os-dialog-message {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.os-dialog-form-group {
    margin-bottom: 16px;
}

.os-dialog-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.os-dialog-input {
    width: 100%;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s ease;
}

.os-dialog-input:focus {
    outline: none;
    border-color: var(--dialog-accent);
    background: color-mix(in srgb, var(--dialog-accent) 5%, transparent);
}

.os-dialog-input::placeholder {
    color: var(--text-secondary);
}

.os-dialog-select-list {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
}

.os-dialog-select-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    cursor: pointer;
    transition: all 0.15s ease;
    border-bottom: 1px solid var(--border-color);
}

.os-dialog-select-item:last-child {
    border-bottom: none;
}

.os-dialog-select-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.os-dialog-select-item.selected {
    background: color-mix(in srgb, var(--dialog-accent) 15%, transparent);
}

.os-dialog-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.os-dialog-select-item.selected .os-dialog-checkbox {
    background: var(--dialog-accent);
    border-color: var(--dialog-accent);
}

.os-dialog-checkbox svg {
    width: 12px;
    height: 12px;
    stroke: white;
    stroke-width: 3;
    fill: none;
    opacity: 0;
}

.os-dialog-select-item.selected .os-dialog-checkbox svg {
    opacity: 1;
}

.os-dialog-select-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--dialog-accent) 15%, var(--bg-tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
    color: var(--dialog-accent-light);
    flex-shrink: 0;
}

.os-dialog-select-info {
    flex: 1;
    min-width: 0;
}

.os-dialog-select-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.os-dialog-select-sub {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.os-dialog-empty {
    padding: 30px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.os-dialog-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 14px 20px;
    background: var(--bg-tertiary);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.os-dialog-btn {
    padding: 10px 20px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.os-dialog-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.os-dialog-btn.primary {
    background: linear-gradient(135deg, var(--dialog-accent), var(--dialog-accent-dark));
    border: none;
    color: white;
}

.os-dialog-btn.primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.os-dialog-btn.danger {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.os-dialog-btn.danger:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* ============================
   NETWORK STATUS ICON
   ============================ */

.system-tray .network-icon {
    transition: stroke 0.2s ease, filter 0.2s ease;
}

.system-tray .network-icon.ping-success {
    stroke: #22c55e !important;
    filter: drop-shadow(0 0 4px rgba(34, 197, 94, 0.6));
}

.system-tray .network-icon-offline {
    stroke: #ef4444 !important;
}

/* ============================
   SYSTEM PANEL (Refresh/Fullscreen)
   ============================ */

.system-panel {
    position: fixed;
    bottom: calc(var(--taskbar-height) + 12px);
    right: 16px;
    width: 240px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: panelOpen 0.2s ease-out;
}

.system-panel.open {
    display: flex;
}

.system-panel-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.system-panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.system-panel-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.system-panel-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
    text-align: left;
}

.system-panel-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.system-panel-btn:active {
    transform: scale(0.98);
}

.system-panel-btn svg {
    width: 18px;
    height: 18px;
    stroke: var(--accent-blue);
    stroke-width: 1.5;
    fill: none;
    flex-shrink: 0;
}

.system-panel-footer {
    padding: 10px 16px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.system-panel-status {
    display: flex;
    align-items: center;
    justify-content: center;
}

.connection-status {
    font-size: 11px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.connection-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
}

.connection-status.connected::before {
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.5);
}

.connection-status.connected {
    color: #22c55e;
}

.connection-status.disconnected {
    color: #ef4444;
}

.connection-status.disconnected::before {
    background: #ef4444;
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.5);
}