/* 🟠Variables CSS ↓↓↓↓↓ */
:root {
    --color-verde-andalucia: #00763C; 
    --color-blanco-andalucia: #FFFFFF; 
    --color-principal: var(--color-verde-andalucia); 
    --color-secundario: #D4A936; 
    --color-fondo: #F5F5F5; 
    --color-texto: #2c3e50; 
    --color-borde: #bdc3c7; 
    --color-error: #e74c3c; 
    --color-exito: #2ecc71; 
    
    --radio-borde: 8px;

    --sombra-caja: 0 0 10px rgba(0, 0, 0, 0.25);
    --sombra-header: 0 6px 10px rgba(0, 0, 0, 0.15);
}

/* 🟠Estilos generales ↓↓↓↓↓ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    text-align: center;

    color: var(--color-blanco-andalucia);
    background-color: var(--color-principal); 
    box-shadow: var(--sombra-header);

    padding: 20px 0;
}

main {
    flex-grow: 1;
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 20px;
}

/* 🟠Estilos de Navegación ↓↓↓↓↓ */
#main-nav {
    display: flex;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
    margin-top: 10px;
    padding: 10px 20px;
    background-color: var(--color-blanco-andalucia);
    border-radius: 0 0 var(--radio-borde) var(--radio-borde);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.nav-button {
    background-color: transparent;
    color: var(--color-principal);
    border: none;
    padding: 10px 15px;
    margin: 0 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    border-radius: 6px;
    transition: background-color 0.3s, color 0.3s;
}

.nav-button:hover:not(.active) {
    background-color: #e8f5e9; 
}

.nav-button.active {
    background-color: var(--color-principal);
    color: var(--color-blanco-andalucia);
    box-shadow: 0 2px 5px rgba(0, 118, 60, 0.3);
}

/* 🟠Manejo de Páginas y Contenedores ↓↓↓↓↓ */
.page {
    width: 1000px;
    transition: opacity 0.3s ease-in-out;
}
.hidden {
    display: none;
}

.content-box {
    padding: 25px;
    background-color: var(--color-blanco-andalucia); 
    border-radius: var(--radio-borde);
    box-shadow: var(--sombra-caja);
    margin-top: 20px;
}

/* 🟠Estilos de Tipografía y Separación ↓↓↓↓↓ */
h1 {
    color: var(--color-blanco-andalucia); 
}

h2 {
    border-bottom: 2px solid var(--color-borde);
    padding-bottom: 10px;
    margin-top: 0;
    color: var(--color-principal); 
}

h3 {
    color: var(--color-principal); 
}

hr {
    border: 0;
    border-top: 1px solid var(--color-borde);
    margin: 25px 0;
}

/* 🟠Estilos de Formulario e Inputs ↓↓↓↓↓ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input[type="number"],
.form-group input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-borde);
    border-radius: 6px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

.form-group input:focus {
    border-color: var(--color-principal);
    outline: none;
}

/* 🟠Estilos de Botones ↓↓↓↓↓ */
.btn-guardar {
    background-color: var(--color-principal); 
    color: var(--color-blanco-andalucia);
    border: none;
    padding: 14px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.1s ease;
    width: 100%;
    letter-spacing: 0.5px;
    margin-top: 10px;
}

.btn-guardar:hover {
    background-color: #005a2e; 
    transform: translateY(-2px);
}

.btn-limpiar {
    background-color: var(--color-error);
    margin-top: 30px;
}
.btn-limpiar:hover {
    background-color: #c0392b;
}

/* 🟠Mensajes y Feedback ↓↓↓↓↓ */
.error {
    color: var(--color-error);
    margin-top: 15px;
    text-align: center;
    font-weight: bold;
}

.success-message {
    background-color: #e6ffe6;
    color: var(--color-exito);
    border: 1px solid var(--color-exito);
    padding: 10px;
    border-radius: var(--radio-borde);
    text-align: center;
    margin-top: 15px;
    font-weight: bold;
}

.empty-message {
    text-align: center;
    padding: 20px;
    color: #95a5a6;
    font-style: italic;
}

/* 🟠Estilos de Tabla ↓↓↓↓↓ */
.table-container {
    overflow-x: auto; 
}

#ultimos-registros-resumen,
#historial-completo-tabla {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 20px;
    border-radius: var(--radio-borde);
    overflow: hidden;
}

#ultimos-registros-resumen th:last-child,
#ultimos-registros-resumen td:last-child {
    max-width: 80px; 
}

#historial-completo-tabla th, #ultimos-registros-resumen th {
    background-color: var(--color-principal); 
    color: var(--color-blanco-andalucia);
    font-weight: bold;
    border-color: var(--color-principal);
}

table th, table td {
    padding: 15px;
    border: 1px solid var(--color-borde);
    text-align: left;
}

table tbody tr:nth-child(even) {
    background-color: var(--color-fondo); 
}
table tbody tr:hover {
    background-color: #e6e9ed; 
}

/* 🟠Estilos de Gráfica y Medias ↓↓↓↓↓ */
#medias {
    text-align: center;
    margin-bottom: 25px;
    padding: 20px;
    border: 2px dashed var(--color-secundario); 
    border-radius: var(--radio-borde);
    background-color: #fffaf0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

#medias h3 {
    margin-top: 0;
    color: var(--color-secundario); 
}

#medias p {
    font-size: 1.2em;
    font-weight: 600;
    margin: 8px 0;
}
#medias span {
    color: var(--color-principal);
    font-weight: bold;
}

.grafica-container {
    max-width: 95%;
    margin: 0 auto;
    background-color: var(--color-blanco-andalucia);
    padding: 15px;
    border-radius: var(--radio-borde);
    border: 1px solid var(--color-borde);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

/* 🟠Footer ↓↓↓↓↓ */
footer {
    width: 100%;

    text-align: center;
    font-size: 0.9em;

    color: var(--color-texto);
    border-top: 3px solid var(--color-principal);
    background-color: var(--color-fondo);

    margin-top: auto;
    padding: 15px;
}

/* 🟠Responsividad (Móvil) ↓↓↓↓↓ */
@media (max-width: 600px) {
    body {
        display: inline;
    }

    .page {
        width: 100%;
    }

    #main-nav {
        flex-direction: column;
        padding: 10px;
    }
    .nav-button {
        margin: 5px 0;
        width: 100%;
    }
    .content-box {
        padding: 15px;
    }
    .grafica-container {
        max-width: 100%;
    }
    table th, table td {
        padding: 10px;
        font-size: 0.85em;
    }
    #ultimos-registros-resumen th:nth-child(5),
    #ultimos-registros-resumen td:nth-child(5) {
        display: none;
    }
}