/* ==========================================================================
   Variáveis Globais
   ========================================================================== */
:root {
    --primary-light: #DBD8CE;
    --primary-dark: #17253B;
    --accent-light: #C3AE8E;
    --accent-dark: #8C7049;
    --transition-speed: 0.3s;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --blur-bg: rgba(23, 37, 59, 0.3);
}

/* ==========================================================================
   Reset e Estilos Base
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--primary-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 76px;
}

/* ==========================================================================
   Componentes Reutilizáveis
   ========================================================================== */
.btn-custom {
    background-color: var(--accent-light);
    border: none;
    color: var(--primary-dark);
    font-weight: bold;
    padding: 0.8rem 2rem;
    transition: all var(--transition-speed) ease;
}

.btn-custom:hover {
    background-color: var(--accent-dark);
    color: var(--primary-light);
    transform: translateY(-2px);
}

/* Loading Overlay */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Navbar */
.navbar {
    background-color: var(--primary-dark) !important;
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) ease;
}

.navbar-brand {
    padding: 0;
    margin-right: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-brand img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-speed) ease;
    display: block;
}

.navbar-brand img:hover {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    line-height: 50px;
    padding: 0 1rem;
    color: var(--primary-light) !important;
    transition: color var(--transition-speed) ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--accent-light) !important;
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--primary-light);
    margin-top: auto;
}

/* ==========================================================================
   Utilidades
   ========================================================================== */
.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.overflow-hidden {
    overflow: hidden;
}

/* ==========================================================================
   Animações
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn var(--transition-speed) ease;
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 768px) {
    body {
        padding-top: 62px;
    }

    .navbar-brand {
        font-size: 1rem;
    }

    .navbar-brand img {
        height: 40px;
    }
}