/* ============================================
   HEADER COMPONENT
   ============================================ */

.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

/* ==========================================
   HEADER LEFT
   ========================================== */

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

/* Workspace Indicator */
.workspace-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.workspace-icon {
    font-size: var(--font-size-md);
}

/* ==========================================
   HEADER RIGHT
   ========================================== */

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Icon Button */
.icon-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

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

.icon-btn.active {
    background: var(--bg-hover);
    color: var(--color-magenta);
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .workspace-indicator {
        display: none;
    }
    
    .logo-text {
        font-size: var(--font-size-md);
    }
}