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

body {
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    background: #fafbfc;
    color: #222;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 15px;
    text-align: center;
}

nav {
    margin: 20px 0;
}

nav a {
    margin: 0 15px;
    color: #4CAF50;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 32px 16px;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}

h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 24px;
    font-size: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
    color: #444;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #f7f7f7;
    font-size: 1rem;
    color: #222;
    outline: none;
    transition: border 0.2s;
}

input:focus, select:focus {
    border-color: #bdbdbd;
}

.btn {
    width: 100%;
    padding: 14px;
    background: #222;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:active {
    background: #444;
}

.logo-circle {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: #f1f1f1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 32px auto 24px auto;
    overflow: hidden;
}

.logo-circle img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    border-radius: 50%;
}

footer {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

@media (max-width: 480px) {
    .container {
        padding: 24px 8px;
        border-radius: 0;
        box-shadow: none;
    }
}