/* css/estilo.css */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.app-container {
    background-color: #fff;
    width: 90%;
    max-width: 500px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
    padding-bottom: 20px;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    font-weight: bold;
}

header p {
    margin: 5px 0 0;
    opacity: 0.8;
}

#reader-container {
    padding: 20px;
}

#reader {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
}

#result-container {
    padding: 20px;
}

.result-card {
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.result-card.error {
    background-color: #ff9999;
    color: #fff;
}

.result-card h1 {
    margin-top: 0;
    font-size: 1.8em;
}

.result-card h2 {
    font-size: 1.2em;
    font-weight: normal;
}

button {
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

.btn-accion-salida {
    padding: 15px 30px;
    background-color: #ff9900;
    color: white;
    font-size: 1.1em;
    margin-top: 15px;
}

.btn-accion-salida:hover {
    background-color: #e68a00;
}

.btn-reanudar {
    padding: 12px 24px;
    background-color: #333;
    color: white;
    font-size: 1em;
    margin-top: 20px;
}

.btn-reanudar:hover {
    background-color: #555;
}

footer {
    margin-top: 20px;
}

.btn-gestion {
    color: #764ba2;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
}