/* ====================================================================
   BRUTAL HEADER - Application titlebar with environment detection
   Ports corpo-blood variables to IO theme system
   ==================================================================== */

.app-icon {
    width: 25px;
    height: 25px;
    color: var(--io-accent);
    margin-top: 3px;
    margin-left: -5px;
}

.titlebar {
    height: 40px;
    background: var(--io-surface-raised);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    position: relative;
    -webkit-app-region: drag;
    user-select: none !important;
}

.titlebar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 16px;
}

.titlebar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--io-text-tertiary);
    letter-spacing: 0.5px;
  
}

.titlebar-right {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
    padding-right: 12px;
}

.title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 400;
    color: var(--io-text-tertiary);
}

.title .separator {
    color: var(--io-accent);
    font-weight: 300;
}

.title .app-name {
    color: var(--io-text-primary);
}

/* ====================================================================
   NETWORK STATS - Upload/Download indicators
   ==================================================================== */

.network-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 10px;
    color: var(--io-text-tertiary);
    letter-spacing: 0.5px;
    position: relative;
}

.network-indicator {
    display: flex;
    align-items: center;
    margin-right: 8px;
}

.network-line {
    width: 32px;
    height: 2px;
    background: var(--io-border-subtle);
    position: relative;
    overflow: hidden;
}

.network-line::after {
    content: '';
    position: absolute;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--io-accent);
    box-shadow: 0 0 6px var(--io-accent-glow);
    opacity: 0;
}

.network-line.pulse::after {
    animation: line-pulse 0.6s ease-out;
}

@keyframes line-pulse {
    0% {
        left: -100%;
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

/* ====================================================================
   THEME TOGGLE & ACTION BUTTONS
   ==================================================================== */

.theme-toggle {
    width: 32px;
    height: 32px;
    background: var(--io-surface-sunken);
    border: 0;
    color: var(--io-text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--io-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--io-radius-sm);
}

.theme-toggle:hover {
    background: var(--io-surface-hover);
    color: var(--io-accent);
}

.theme-toggle:active {
    background: var(--io-surface-hover);
    transform: scale(0.95);
}

/* ====================================================================
   FONT SELECTOR BUTTON - Next to theme toggle
   ==================================================================== */

.font-toggle {
    width: 32px;
    height: 32px;
    background: var(--io-surface-sunken);
    border: 0;
    color: var(--io-text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--io-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--io-radius-sm);
    -webkit-app-region: no-drag;
}

.font-toggle:hover {
    background: var(--io-surface-hover);
    color: var(--io-accent);
}

.font-toggle:active {
    background: var(--io-surface-hover);
    transform: scale(0.95);
}

/* ====================================================================
   CONNECTION STATUS - Animated dots
   ==================================================================== */

.connection-status {
    display: inline-flex;
    gap: 4px;
    margin-left: 8px;
    align-items: center;
}

.connection-status span {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--io-accent);
    animation: pulse-dot 1.4s ease-in-out infinite;
    display: block;
}

.connection-status span:nth-child(2) {
    animation-delay: 0.2s;
}

.connection-status span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ====================================================================
   WINDOW CONTROLS - Desktop-only (hidden on web)
   ==================================================================== */

.window-controls {
    display: flex;
    height: 40px;
    -webkit-app-region: no-drag;
}

.window-controls button {
    width: 46px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--io-text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--io-transition-fast);
    font-family: var(--io-font-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.window-controls button:hover {
    background: var(--io-overlay-light);
    color: var(--io-text-primary);
}

.window-controls button:active {
    background: var(--io-overlay-dark);
}

.window-controls button.close:hover {
    background: var(--io-accent);
    color: var(--io-on-accent);
}

.window-controls button.close:active {
    background: var(--io-accent-dim);
}

/* ====================================================================
   DRAG REGIONS - Electron compatibility
   ==================================================================== */

.titlebar * {
    -webkit-app-region: drag;
}

.window-controls,
.window-controls * {
    -webkit-app-region: no-drag;
}

.theme-toggle {
    -webkit-app-region: no-drag;
}

/* ====================================================================
   VALUE ANIMATIONS - Number updates
   ==================================================================== */

.titlebar-icon {
    color: var(--io-accent);
}

.titlebar-value {
    display: inline-block;
    font-family: var(--io-font-mono);
    text-align: right;
    transition: none;
    min-width: 3ch; /* Reserve space for numbers */
}

.titlebar-value.titlebar-animating {
    animation: numberChange 200ms ease-out;
}

@keyframes numberChange {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ====================================================================
   RESPONSIVE - Hide elements on small viewports
   ==================================================================== */

@media (max-width: 1024px) {
    .network-stats {
        display: none;
    }
    
    .titlebar-center {
        font-size: 10px;
    }
}

@media (max-width: 768px) {
    .title {
        font-size: 11px;
    }
    
    .titlebar-left {
        gap: 8px;
        padding-left: 12px;
    }
}

/* ====================================================================
   WEB MODE - Hide desktop-only features
   ==================================================================== */

.titlebar[data-mode="web"] .window-controls {
    display: none;
}

.titlebar[data-mode="web"] {
    -webkit-app-region: initial; /* Disable drag on web */
}

/* ====================================================================
   LAUNCHER TOGGLE BUTTON - Main menu
   ==================================================================== */

.launcher-toggle {
    width: 32px;
    height: 32px;
    background: var(--io-surface-sunken);
    border: 0;
    color: var(--io-text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--io-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--io-radius-sm);
    -webkit-app-region: no-drag;
}

.launcher-toggle:hover {
    background: var(--io-surface-hover);
    color: var(--io-accent);
}

.launcher-toggle:active {
    background: var(--io-surface-hover);
    transform: scale(0.95);
}