/* ===== ESTILOS DO CABEÇALHO E RODAPÉ ===== */

/* ===== CABEÇALHO MODERNO ===== */

header {
    background: var(--bg-secondary);
    border-bottom: var(--border-normal) solid var(--border-color);
    box-shadow: none;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: sticky;
    top: 0;
    z-index: 1030;
}

[data-theme="dark"] header {
    background: var(--bg-secondary);
    border-bottom: var(--border-normal) solid var(--border-color);
}

.navbar {
    background-color: transparent !important;
    border: none;
    box-shadow: none;
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 500;
    font-size: var(--font-size-title-large);
    letter-spacing: 0.2px;
    transition: all 0.3s ease;
}

.navbar-brand:hover,
.navbar-brand:focus {
    opacity: 0.8;
}

.navbar-toggler {
    border: 1px solid var(--border-medium);
    padding: 0.5rem;
    transition: all 0.3s ease;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.05);
}

.navbar-toggler:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--border-focus);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem var(--shadow-focus);
    outline: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Tema escuro - ícone do toggler */
[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.95%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Links de navegação modernos */
.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 400;
    font-size: var(--font-size-body);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    margin: 0 var(--spacing-xs);
    position: relative;
}

[data-theme="dark"] .navbar-nav .nav-link {
    color: var(--text-secondary) !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--text-primary) !important;
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .navbar-nav .nav-link:hover,
[data-theme="dark"] .navbar-nav .nav-link:focus {
    color: var(--text-primary) !important;
    background-color: var(--bg-tertiary);
}

.navbar-nav .nav-link.active {
    color: var(--text-primary) !important;
    background-color: var(--bg-tertiary);
    font-weight: 400;
}

[data-theme="dark"] .navbar-nav .nav-link.active {
    color: var(--text-primary) !important;
    background-color: var(--bg-tertiary);
    border: var(--border-normal) solid var(--border-light);
}

/* Estilos para botões no navbar */
.navbar-nav .btn-link {
    color: var(--text-primary) !important;
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
    border: none;
    background: none;
}

.navbar-nav .btn-link:hover,
.navbar-nav .btn-link:focus {
    color: var(--btn-primary) !important;
    background-color: var(--bg-secondary);
}

/* ===== DROPDOWN MENU ===== */

.dropdown-menu {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 0.5rem 1rem var(--shadow-color);
    transition: all 0.3s ease;
}

.dropdown-item {
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-divider {
    border-top: 1px solid var(--border-color);
}

/* ===== RODAPÉ MODERNO ===== */

.footer-modern {
    background: var(--bg-secondary);
    border-top: var(--border-normal) solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-2xl) 0;
    margin-top: auto;
    transition: all 0.3s ease;
}

[data-theme="dark"] .footer-modern {
    background: var(--bg-secondary);
    border-top: var(--border-normal) solid var(--border-color);
}

.footer-modern h5, .footer-modern h6 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--font-size-title-small);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

[data-theme="dark"] .footer-modern h5,
[data-theme="dark"] .footer-modern h6 {
    color: var(--text-primary);
}

.footer-modern a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: var(--font-size-body);
    transition: all 0.2s ease;
    display: inline-block;
}

[data-theme="dark"] .footer-modern a {
    color: var(--text-tertiary);
}

.footer-modern a:hover,
.footer-modern a:focus {
    color: var(--text-primary);
}

[data-theme="dark"] .footer-modern a:hover,
[data-theme="dark"] .footer-modern a:focus {
    color: var(--text-primary);
}

.footer-modern svg {
    fill: var(--text-secondary);
    transition: all 0.3s ease;
}

[data-theme="dark"] .footer-modern svg {
    fill: #888;
}

.footer-modern a:hover svg {
    fill: var(--text-primary);
    transform: scale(1.1);
}

[data-theme="dark"] .footer-modern a:hover svg {
    fill: #ffffff;
}

.footer-modern .text-body-secondary {
    color: var(--text-muted) !important;
}

[data-theme="dark"] .footer-modern .text-body-secondary {
    color: #666 !important;
}

.footer-modern hr {
    border-color: var(--border-color);
    opacity: 1;
}

[data-theme="dark"] .footer-modern hr {
    border-color: #222;
}

/* ===== RESPONSIVIDADE ===== */

@media (max-width: 991.98px) {
    .navbar-nav {
        padding-top: 1rem;
        border-top: 1px solid var(--border-color);
        margin-top: 1rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.5rem 0;
        margin: 0;
        border-radius: 0;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus {
        background-color: transparent;
        padding-left: 1rem;
    }
    
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .footer {
        padding: 1rem 0;
    }
}

/* ===== ESTADOS DE FOCO E ACESSIBILIDADE ===== */

.navbar-nav .nav-link:focus,
.navbar-nav .btn-link:focus {
    outline: 2px solid var(--btn-primary);
    outline-offset: 2px;
}

.navbar-toggler:focus {
    outline: 2px solid var(--btn-primary);
    outline-offset: 2px;
}

/* ===== ANIMAÇÕES ===== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar-collapse.show {
    animation: fadeIn 0.3s ease;
}

/* ===== ESTILOS ESPECÍFICOS DO SGAU ===== */

/* Removido emoji do navbar-brand */

/* Menu mobile (offcanvas) moderno */
.offcanvas {
    background-color: var(--bg-primary);
    border-left: 1px solid var(--border-color);
}

[data-theme="dark"] .offcanvas {
    background: linear-gradient(135deg, #111111 0%, #1a1a1a 100%);
    border-left: 1px solid #333;
}

.offcanvas-header {
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .offcanvas-header {
    border-bottom: 1px solid #333;
}

.offcanvas-title {
    color: var(--text-primary);
    font-weight: 600;
}

[data-theme="dark"] .offcanvas-title {
    color: #ffffff;
}

.offcanvas .btn-close {
    filter: var(--bs-btn-close-white-filter);
    opacity: 0.7;
}

[data-theme="dark"] .offcanvas .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.8;
}

.offcanvas .nav-link {
    color: var(--text-primary) !important;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    margin: 0.25rem 0;
}

[data-theme="dark"] .offcanvas .nav-link {
    color: #ccc !important;
}

.offcanvas .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary) !important;
    transform: translateX(4px);
}

[data-theme="dark"] .offcanvas .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff !important;
}

.offcanvas .nav-link i {
    color: var(--text-muted);
    transition: color 0.3s ease;
}

[data-theme="dark"] .offcanvas .nav-link i {
    color: #888;
}

.offcanvas .nav-link:hover i {
    color: var(--btn-accent);
}

[data-theme="dark"] .offcanvas .nav-link:hover i {
    color: #FFD700;
}

/* ===== MODO ALTO CONTRASTE ===== */

@media (prefers-contrast: high) {
    .navbar {
        border-bottom-width: 2px;
    }
    
    .navbar-nav .nav-link {
        border: 1px solid transparent;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus {
        border-color: var(--btn-primary);
    }
    
    .footer {
        border-top-width: 2px;
    }
}

/* ===== MODO REDUZIR MOVIMENTO ===== */

@media (prefers-reduced-motion: reduce) {
    .navbar,
    .navbar-nav .nav-link,
    .navbar-nav .btn-link,
    .footer,
    .footer a {
        transition: none;
    }
    
    .navbar-collapse.show {
        animation: none;
    }
}