* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 15px;
}

.container {
    background-color: #ffffff;
    width: 100%;
    max-width: 520px;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

h1 {
    color: #0A2240;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    font-size: 14px;
    font-weight: bold;
    color: #222222;
    margin-top: 12px;
    margin-bottom: 5px;
}

input[type="text"],
input[type="date"] {
    width: 100%;
    padding: 10px 12px;
    font-size: 15px;
    border: 1px solid #cccccc;
    border-radius: 6px;
    outline: none;
}

input[type="text"]:focus,
input[type="date"]:focus {
    border-color: #0A2240;
}

/* Botón Azul Marino */
.btn-generate {
    background-color: #0A2240;
    color: #ffffff;
    border: none;
    padding: 12px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 20px;
}

/* Botón Rojo */
.btn-colegio {
    background-color: #D91024;
    color: #ffffff;
    border: none;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 10px;
}

/* Muestra del Código QR */
#qrCode {
    margin-top: 20px;
    text-align: center;
}

#qrCode img {
    max-width: 200px;
    height: auto;
}

#saveButton {
    background-color: #f0f0f0;
    color: #333333;
    border: 1px solid #ccc;
    padding: 10px;
    font-size: 14px;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
}

/* Sección Escáner */
.divider {
    margin: 25px 0 15px 0;
    border: 0;
    border-top: 1px solid #eeeeee;
}

h2 {
    font-size: 18px;
    color: #0A2240;
    text-align: center;
    margin-bottom: 15px;
}

#reader {
    width: 100%;
    margin: 0 auto;
    border: none !important;
    overflow: hidden;
    border-radius: 8px;
}

.scanner-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.btn-scanner {
    background-color: #0A2240;
    color: #ffffff;
    border: none;
    padding: 12px;
    font-size: 15px;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.btn-scanner:hover {
    background-color: #061529;
}

#statusMessage {
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    margin-top: 15px;
}

.btn-delete {
    background-color: #D91024;
    color: white;
    border: none;
    padding: 8px 14px;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 12px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 10px;
}

th {
    background-color: #0A2240;
    color: #ffffff;
    text-align: left;
    padding: 8px;
    border: 1px solid #0A2240;
}

td {
    padding: 8px;
    border: 1px solid #ddd;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}