:root {
    --primary-color: #28a745;
    --secondary-color: #218838;
    --error-color: #dc3545;
    --warning-color: #ffc107;
    --spacing-unit: 1rem;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

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

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-unit);
}

.form-container {
    background-color: #fff;
    padding: calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 1200px;
}

h2, h3 {
    text-align: center;
    margin-bottom: var(--spacing-unit);
    color: #333;
}

h2 {
    font-size: 1.8rem;
}

h2 i, h3 i {
    margin-right: 0.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-unit);
}

.form-group {
    margin-bottom: var(--spacing-unit);
}

label {
    font-weight: bold;
    margin-bottom: 0.5rem;
    display: block;
    color: #444;
}

input, textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 0.5rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
}

input:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.25);
    outline: none;
}

textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

.status-group {
    display: flex;
    gap: var(--spacing-unit);
    margin-bottom: var(--spacing-unit);
}

button {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    margin-top: var(--spacing-unit);
}

button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
}

.ultimos-clientes {
    margin-top: calc(var(--spacing-unit) * 2);
    padding-top: var(--spacing-unit);
    border-top: 1px solid #eee;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-unit);
    min-width: 600px;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

.cliente-foto {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.status {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: bold;
    display: inline-block;
}

.status.Fechado {
    background-color: var(--error-color);
    color: white;
}

.status.Negociando {
    background-color: var(--warning-color);
    color: black;
}

@media screen and (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-container {
        padding: var(--spacing-unit);
    }

    table {
        min-width: 100%;
    }
}