/* =================================================================== */
/* Estilos Globales y Tipografía
/* =================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background-color: #f0f2f5;
    color: #334155;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    padding: 60px 20px 60px 20px;
    box-sizing: border-box;
}

/* =================================================================== */
/* Estilos para la PÁGINA DE INICIO (index.html)
/* =================================================================== */
.main-card {
    width: 100%; max-width: 750px; padding: 40px; text-align: center;
    background-color: #ffffff; border-radius: 12px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}
.main-card .logo { max-width: 315px; margin-bottom: 25px; }
.main-card h1 {
    color: #333; font-size: 1.5rem; font-weight: 700; margin-bottom: 40px;
    text-transform: uppercase; letter-spacing: 1px; font-family: 'Montserrat', sans-serif;
}
.button-container { display: flex; justify-content: center; gap: 25px; flex-wrap: wrap; }
.choice-button {
    flex-basis: 240px; padding: 20px; border: 2px solid #e5e7eb; border-radius: 8px;
    text-decoration: none; transition: all 0.2s ease-in-out;
}
.choice-button:hover { transform: translateY(-4px); box-shadow: 0 8px 15px rgba(0, 0, 0, 0.08); border-color: #ccc; }
.choice-button:hover .text-desktop { color: #0078D4; }
.choice-button:hover .text-web { color: #00A4EF; }
.choice-button:hover .text-mobile { color: #4da42f; }
.button-text {
    font-size: 0.9rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase;
    transition: color 0.2s ease-in-out; font-family: 'Montserrat', sans-serif;
}
.text-desktop { color: #0078D4; }
.text-web     { color: #00A4EF; }
.text-mobile  { color: #4da42f; }


/* =================================================================== */
/* Estilos para las PÁGINAS DEL GENERADOR
/* =================================================================== */
.container {
    background: #ffffff; padding: 30px 40px; border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); max-width: 1100px; width: 90%;
}

.noselect {
    background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px;
    padding: 25px;
}
.noselect h2 {
    color: #124a99; text-align: left; margin-top: 0;
    margin-bottom: 20px; font-size: 1.5rem;
}
.noselect p { font-size: 0.9rem; color: #475569; }

.form-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
    margin-right: 26px;
}

.form-top-row, .form-middle-row {
    display: grid;
    gap: 20px;
    width: 100%;
}
.form-top-row {
    grid-template-columns: repeat(3, 1fr);
}
.form-middle-row {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
}
.form-center-row {
    display: flex;
    justify-content: center;
    width: 100%;
}
.form-center-row .form-group {
    width: 100%;
    max-width: 240px;
}

.form-group { display: flex; flex-direction: column; }
.form-group label { font-weight: 600; color: #334155; margin-bottom: 8px; }

.form-group input[type="text"], .form-group select {
    width: 100%; height: 40px; padding: 0 12px;
    border: 1px solid #cbd5e1; border-radius: 6px;
    font-size: 0.95rem; font-family: 'Inter', sans-serif;
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none; -moz-appearance: none; appearance: none;
}
.form-group select {
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000/svg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23023047%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 12px top 50%;
    background-size: .65em auto;
    padding-right: 30px;
}
.form-group select:invalid { color: #64748b; }
.form-group input[type="text"]:focus, .form-group select:focus {
    outline: none; border-color: #4da42f;
    box-shadow: 0 0 0 3px rgba(77, 164, 47, 0.2);
}

.generate-button-container { text-align: center; }
.noselect button#generar-btn {
    padding: 10px 20px; background-color: #555; color: white; border: none;
    border-radius: 6px; font-size: 1rem; font-weight: 500;
    cursor: pointer; transition: background-color 0.2s;
}
.noselect button#generar-btn:hover { background-color: #333; }

.back-button {
    display: inline-block; margin-bottom: 15px; color: #124a99;
    text-decoration: none; font-weight: 600;
}
.back-button:hover { text-decoration: underline; }

#firma-container {
    border: 2px dashed #94a3b8; padding: 25px; border-radius: 8px;
    background-color: #ffffff; position: relative;
    margin-top: 40px;
}
#firma-container::before {
    content: 'VISTA PREVIA - El contenido de este recuadro se copiará';
    position: absolute; top: -12px; left: 15px; background-color: #ffffff;
    padding: 0 10px; color: #94a3b8; font-size: 0.8rem;
    font-weight: 600; text-transform: uppercase;
}

.copy-button-wrapper { text-align: center; margin: 30px 0; }
.action-button {
    background-color: #124a99;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 15px 35px;
    font-size: 1.2rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}
.action-button:hover {
    background-color: #0d3a7a;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}
.action-button:disabled {
    background-color: #a0aec0;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.action-button.copied {
    background-color: #4da42f;
}

@media (max-width: 900px) {
    .form-top-row, .form-middle-row {
        grid-template-columns: 1fr;
        width: 100%;
        max-width: none;
    }
}