* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #fff;
    overflow-x: hidden;
}

.container-fluid {
    height: 100vh;
    padding: 20px;
    overflow-y: auto;
}

.sidebar-section {
    padding: 20px;
    max-height: 100vh;
    overflow-y: auto;
}

.formulario-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.header-form {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 15px;
}

.header-form i {
    font-size: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-form h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    color: #fff;
}

.form-label {
    color: #e0e0e0;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-label i {
    color: #667eea;
}

.form-control {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: #667eea;
    color: #fff;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-text {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

#button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    font-weight: 600;
    border-radius: 12px;
    padding: 12px 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

#button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.6);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    color: #fff;
}

#button:active {
    transform: translateY(0);
}

.exemples-section {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.exemples-section h5 {
    color: #e0e0e0;
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.example-btn {
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.example-btn:hover {
    background-color: rgba(102, 126, 234, 0.2);
    border-color: #667eea;
    color: #fff;
}

.content-section {
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
    max-height: calc(100vh - 60px);
}

.chart-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.chart-container h5 {
    color: #e0e0e0;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
}

#graficoFuncao, #graficoConvergencia {
    min-height: 300px;
}

.results-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.results-section h4 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.results-section h4 i {
    color: #667eea;
}

.resultado-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.resultado-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.resultado-card:hover {
    border-color: rgba(102, 126, 234, 0.6);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.resultado-card .label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.resultado-card .value {
    color: #667eea;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.results-section h5 {
    color: #e0e0e0;
    font-weight: 600;
    margin-bottom: 15px;
}

.table-responsive {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.table {
    margin: 0;
    background-color: rgba(0, 0, 0, 0.2);
}

.table thead {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-bottom: 2px solid rgba(102, 126, 234, 0.3);
}

.table th {
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    padding: 12px;
}

.table td {
    color: rgba(255, 255, 255, 0.85);
    padding: 10px 12px;
    font-family: 'Courier New', monospace;
    border-color: rgba(255, 255, 255, 0.05);
}

.table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.1);
}

#placeholder {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Scrollbar customizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.4);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.6);
}

/* Responsivo */
@media (max-width: 992px) {
    .container-fluid {
        flex-direction: column;
    }
    
    .sidebar-section {
        max-height: none;
        margin-bottom: 20px;
    }
    
    .content-section {
        max-height: none;
    }
}