/* Header - Energia Certa Digital */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 15, 31, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    gap: var(--space-md);
}

/* Logo */
.header__logo {
    flex: 1;
    text-align: center;
}

.header__logo a {
    text-decoration: none;
}

/* Hamburger Menu */
.header__burger {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    height: 26px;
    padding: 0;
    z-index: 1001;
    transition: all var(--transition-base);
}

.header__burger span {
    width: 100%;
    height: 3px;
    background: var(--accent-green);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.header__burger:hover span {
    background: var(--accent-blue);
}

/* Ações do Header */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.btn-icon {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-icon:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
    transform: rotate(180deg);
}

/* Sidebar Menu */
.sidebar-menu {
    position: fixed;
    top: 0;
    left: -350px;
    width: 350px;
    height: 100vh;
    background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
    border-right: 1px solid var(--border-color);
    z-index: 1002;
    transition: left var(--transition-base);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: 5px 0 30px rgba(0, 0, 0, 0.5);
}

.sidebar-menu.active {
    left: 0;
}

/* Header do Menu */
.sidebar-menu__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 255, 159, 0.05);
}

.sidebar-menu__close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-base);
}

.sidebar-menu__close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    transform: rotate(90deg);
}

/* Navegação */
.sidebar-menu__nav {
    flex: 1;
    padding: var(--space-lg) 0;
}

.sidebar-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu__list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-menu__link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    color: var(--text-primary);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    transition: all var(--transition-base);
    position: relative;
}

.sidebar-menu__link i {
    font-size: 1.2rem;
    color: var(--accent-green);
    min-width: 24px;
    transition: transform var(--transition-base);
}

.sidebar-menu__link span {
    flex: 1;
}

.sidebar-menu__link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, var(--accent-green), transparent);
    transition: width var(--transition-base);
}

.sidebar-menu__link:hover,
.sidebar-menu__link.active {
    background: rgba(0, 255, 159, 0.08);
    color: var(--accent-green);
    padding-left: calc(var(--space-xl) + 10px);
}

.sidebar-menu__link:hover::before,
.sidebar-menu__link.active::before {
    width: 4px;
}

.sidebar-menu__link:hover i,
.sidebar-menu__link.active i {
    transform: scale(1.2);
}

/* Footer do Menu */
.sidebar-menu__footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--border-color);
    background: rgba(0, 102, 204, 0.05);
}

/* Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar-menu {
        width: 100%;
        left: -100%;
    }
    
    .header__logo h1 {
        font-size: var(--text-lg) !important;
    }
    
    .btn-text {
        display: none;
    }
    
    .btn {
        padding: var(--space-xs) var(--space-md);
    }
}

@media (max-width: 480px) {
    .header__actions .btn {
        font-size: var(--text-sm);
        padding: var(--space-xs) var(--space-sm);
    }
    
    .btn-icon {
        width: 36px;
        height: 36px;
    }
}

/* Header Scrolled */
.header--scrolled {
    background: rgba(10, 15, 31, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* Animações */
@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.sidebar-menu.active .sidebar-menu__link {
    animation: slideIn 0.3s ease forwards;
}

.sidebar-menu.active .sidebar-menu__link:nth-child(1) { animation-delay: 0.05s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(2) { animation-delay: 0.1s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(3) { animation-delay: 0.15s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(4) { animation-delay: 0.2s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(5) { animation-delay: 0.25s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(6) { animation-delay: 0.3s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(7) { animation-delay: 0.35s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(8) { animation-delay: 0.4s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(9) { animation-delay: 0.45s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(10) { animation-delay: 0.5s; }
.sidebar-menu.active .sidebar-menu__link:nth-child(11) { animation-delay: 0.55s; }