body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f7fa;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

form {
    background: #fff;
    padding: 2rem 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #2c3e50;
}

input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    transition: border-color 0.3s;
}

input[type="email"]:focus,
input[type="password"]:focus {
    border-color: #3498db;
    outline: none;
}

button {
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #2980b9;
}

a {
    color: #3498db;
    text-decoration: none;
    display: block;
    margin-top: 1rem;
    text-align: center;
}

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 1rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

header img.logo {
    height: 50px;
}

header h1 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 12px 15px;
    border-bottom: 1px solid #ddd;
    text-align: left;
    vertical-align: top;
}

th {
    background-color: #3498db;
    color: white;
}

tr:hover {
    background-color: #f0f8ff;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 0.8rem;
    color: white;
}

.badge.pendiente { background: #f39c12; }
.badge.aprobado  { background: #2ecc71; }
.badge.rechazado { background: #e74c3c; }
body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f5f7fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    text-align: center;
    background: #fff;
    padding: 2rem 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.logo {
    width: 80%;
    max-width: 300px;
    height: auto;
    margin-bottom: 1.5rem;
}