body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
}

.sidebar {
    width: 220px;
    height: 100vh;
    background: #1e293b;
    color: white;
    padding: 20px;
}

.sidebar h2 {
    margin-bottom: 30px;
}

.sidebar a {
    display: block;
    color: white;
    text-decoration: none;
    margin: 15px 0;
    padding: 10px;
    border-radius: 8px;
}

.sidebar a:hover {
    background: #334155;
}

.content {
    flex: 1;
    padding: 30px;
    background: #f8fafc;
}


.cards {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    min-width: 180px;
}

table {
    width: 100%;
    background: white;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    border: 1px solid #ddd;
}



/* CODIGO DEL LOGIN */

.login-body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    background: white;
    width: 380px;
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    text-align: center;
}

.login-card h1 {
    margin-bottom: 10px;
}

.login-card h2 {
    margin-bottom: 25px;
    color: #334155;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    box-sizing: border-box;
}

.login-btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #2563eb;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

.login-btn:hover {
    background: #1d4ed8;
}

/* ====================================*/

.pagination {
    margin-top: 20px;
    text-align: center;
}

.pagination a {
    padding: 8px 12px;
    margin: 0 5px;
    background: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.pagination span {
    margin: 0 10px;
    font-weight: bold;
}

/*======historial y su boton*/

form input {
    padding: 8px;
    margin: 4px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

form button {
    padding: 8px 12px;
    background: #1f2937;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

form button:hover {
    background: #374151;
}

.btn-historial {
    display: inline-block;
    background: #1f2937;
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    text-decoration: none;
}

.btn-historial:hover {
    background: #374151;
}
/*================*/

.alert-box {
    background: #ffe5e5;
    border: 1px solid #ff4d4d;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
}

.alert-box h3 {
    margin-top: 0;
}