/* Estilos Globais */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #2c3e50;
    --light-gray: #f8f9fa;
    --dark-gray: #343a40;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar Styles */
.navbar {
    padding: 1rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.8rem;
}

.navbar-nav {
    margin-left: auto;
}

.nav-item {
    margin: 0 0.5rem;
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: white !important;
    background-color: rgba(255,255,255,0.1);
    transform: translateY(-1px);
}

.nav-link.active {
    color: white !important;
    background-color: rgba(255,255,255,0.2);
}

/* Dropdown Menu */
.dropdown-menu {
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 0.5rem;
}

.dropdown-item {
    padding: 0.7rem 1.2rem;
    border-radius: 5px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--light-gray);
    transform: translateX(5px);
}

/* Calculadoras Dropdown */
.mega-menu {
    padding: 1rem;
    width: 550px;
    max-width: 90vw;
}

.mega-menu .dropdown-item i {
    margin-right: 0.5rem;
    color: var(--secondary-color);
}

.mega-menu .dropdown-header {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-left: 1.2rem;
}

.mega-menu .dropdown-divider {
    margin: 0.5rem 0;
}

.mega-menu .row {
    margin-right: 0;
    margin-left: 0;
}

/* Mobile Responsiveness */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--primary-color);
        padding: 1rem;
        border-radius: 8px;
        margin-top: 1rem;
    }

    .nav-item {
        margin: 0.25rem 0;
    }

    .dropdown-menu {
        background: transparent;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        width: 100%;
    }
    
    .mega-menu {
        width: 100%;
    }
    
    .mega-menu .row {
        flex-direction: column;
    }
    
    .mega-menu .col-md-6:last-child {
        margin-top: 1rem;
    }

    .dropdown-item {
        color: rgba(255,255,255,0.9);
    }

    .dropdown-item:hover {
        background: rgba(255,255,255,0.1);
        color: white;
    }
    
    .dropdown-header {
        color: white !important;
        opacity: 0.7;
    }
}

/* Botões */
.btn-primary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

/* Hero section */
.display-4 {
    font-weight: 700;
    color: var(--primary-color);
}

/* Forms */
.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

/* Highlight efeito para inputs */
.highlight-input {
    animation: highlight-pulse 1.5s ease;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

@keyframes highlight-pulse {
    0% {
        background-color: rgba(52, 152, 219, 0.1);
    }
    50% {
        background-color: rgba(52, 152, 219, 0.2);
    }
    100% {
        background-color: transparent;
    }
}

/* AdSense slots */
.adsense-slot {
    background-color: var(--light-gray);
    padding: 1rem;
    border-radius: 0.5rem;
    min-height: 90px;
}

/* Footer */
footer {
    background-color: var(--dark-gray) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
}

/* Calculator specific styles */
.calculator-container {
    background-color: var(--light-gray);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.result-container {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Chart containers */
.chart-container {
    position: relative;
    height: 400px;
    margin: 2rem 0;
}

/* Loading spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

/* Custom tooltips */
.custom-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    z-index: 1000;
    pointer-events: none;
}

/* Table styles */
.table-financial {
    background-color: white;
    border-radius: 0.5rem;
    overflow: hidden;
}

.table-financial thead th {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.table-financial tbody tr:nth-child(even) {
    background-color: var(--light-gray);
}