:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-light: #f4f6f7;
    --text-dark: #2c3e50;
    --border-soft: #ecf0f1;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-light);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 100%;
    margin: 30px auto;
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.075);
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1, h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}

.seccion {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-soft);
}

.form-grupo {
    margin-bottom: 15px;
}

.form-grupo label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #34495e;
}

.form-grupo input, 
.form-grupo select, 
.form-grupo textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 16px;
}

.form-grupo input:focus, 
.form-grupo select:focus, 
.form-grupo textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    display: block;
    width: 100%;
    margin-top: 20px;
}

button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.medicamento {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
}

.medicamento input {
    flex: 1;
}

.medicamento button {
    width: auto;
    background-color: #e74c3c;
    padding: 8px 12px;
    margin-top: 0;
}

.medicamento button:hover {
    background-color: #c0392b;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 20px;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-soft);
}

table th {
    background-color: var(--primary-color);
    color: white;
}

.acciones {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.boton {
    display: inline-block;
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.boton:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.boton-editar {
    background-color: var(--secondary-color);
}

.boton-editar:hover {
    background-color: #27ae60;
}

.boton-eliminar {
    background-color: #e74c3c;
}

.boton-eliminar:hover {
    background-color: #c0392b;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.expediente-detalle {
    background-color: #f1f4f7;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.expediente-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-soft);
}

.boton-lista {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 15px;
    background-color: var(--secondary-color);
}

.boton-lista:hover {
    background-color: #27ae60;
}

/* Responsive Design */
@media (max-width: 600px) {
    .container {
        margin: 15px;
        padding: 20px;
    }

    .medicamento {
        flex-direction: column;
    }

    table {
        font-size: 14px;
    }
}