:root {
    /* Premium Monasterio Palette - Light Theme */
    --bg-color: #fdfbf9;
    --bg-gradient-start: #ffffff;
    --bg-gradient-end: #f4ece4;
    
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(205, 170, 131, 0.7);
    --card-shadow: rgba(0, 0, 0, 0.08);
    
    --gold: #cdaa83;
    --gold-hover: #b8926a;
    --gold-glow: rgba(205, 170, 131, 0.3);
    
    --text-main: #2c2c2c;
    --text-muted: #7f8c8d;
    
    --input-bg: rgba(0, 0, 0, 0.02);
    --input-border: rgba(205, 170, 131, 0.3);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at top center, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    padding: 60px 20px;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 850px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInDown 0.8s ease-out;
}

.header img {
    max-width: 250px;
    margin-bottom: 30px;
    filter: drop-shadow(0 4px 15px rgba(0,0,0,0.05));
    transition: transform 0.4s ease;
}

.header img:hover {
    transform: scale(1.02);
}

.header h1 {
    font-family: var(--font-heading);
    color: var(--gold);
    font-weight: bolder;
    font-size: 2.2rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.header p {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* Glassmorphism Cards */
.section-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 50px 40px;
    margin-bottom: 40px;
    box-shadow: 0 15px 35px var(--card-shadow), inset 0 1px 0 rgba(255,255,255,0.8);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation: fadeInUp 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

#survey-form .section-card {
    display: none; /* Oculto por defecto solo en el formulario para paginación */
}

#survey-form .section-card.active {
    display: block;
}

.section-card h2 {
    font-family: var(--font-heading);
    color: var(--gold);
    border-bottom: 2px solid var(--card-border);
    padding-bottom: 20px;
    margin-bottom: 35px;
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 1.5px;
}

/* Questions */
.question-group {
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 2px solid rgba(205, 170, 131, 0.15);
}

.question-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.question-text {
    display: block;
    margin-bottom: 16px;
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--text-main);
    letter-spacing: 0.2px;
}

/* Rating Options */
.rating-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
}

.rating-options input[type="radio"] {
    position: absolute;
    opacity: 0;
    z-index: -1;
    width: 1px;
    height: 1px;
}

.rating-options label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 65px;
    height: 42px;
    border-radius: 15%;
    background: var(--input-bg);
    border: 2px solid var(--input-border);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
}

.rating-options label.na {
    width: 55px;
    border-radius: 25px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rating-options label:hover {
    background: rgba(205, 170, 131, 0.1);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--gold-glow);
}

.rating-options input[type="radio"]:checked + label {
    background: var(--gold);
    color: #fff;
    font-weight: 700;
    border-color: var(--gold);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 15px var(--gold-glow);
}

/* Form Inputs */
.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--gold);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    background: var(--input-bg);
    border: 2px solid var(--input-border);
    color: var(--text-main);
    padding: 16px 20px;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--gold);
    background: rgba(0, 0, 0, 0.01);
    box-shadow: 0 0 0 3px rgba(205, 170, 131, 0.15);
}

.form-control::placeholder {
    color: rgba(0, 0, 0, 0.3);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* Buttons */
.btn {
    background: var(--gold);
    color: #fff;
    border: none;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.btn:hover {
    background: var(--gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--gold-glow);
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    background: #e0e0e0;
    color: #999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Form Navigation Specific */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    gap: 20px;
}

.btn-icon {
    position: relative;
    width: 60px;
    height: 60px;
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    line-height: 1;
    letter-spacing: 0;
    flex-shrink: 0;
}

.btn-icon svg {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 26px;
    height: 26px;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: block;
    flex-shrink: 0;
}

/* Corrección óptica: el chevron tiene peso visual asimétrico dentro del viewBox */
#next-btn svg {
    margin-left: 1.5px;
}

#prev-btn svg {
    margin-left: -1.5px;
}

#next-btn:hover svg {
    transform: translate(-50%, -50%) translateX(4px);
}

#prev-btn:hover svg {
    transform: translate(-50%, -50%) translateX(-4px);
}

#prev-btn {
    background: transparent;
    color: var(--text-main);
    border: 2px solid rgba(205, 170, 131, 0.4);
}

#prev-btn:hover {
    background: rgba(0, 0, 0, 0.03);
    border-color: var(--text-main);
    box-shadow: none;
}

#next-btn {
    margin-left: auto;
}

#submit-btn {
    margin-left: auto;
    flex-grow: 1;
    max-width: 300px;
}

/* Success Message */
#success-message {
    display: none;
    text-align: center;
    padding: 60px 30px;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
}

#success-message.active {
    display: block;
    animation: fadeIn 0.8s ease forwards;
}

#success-message h2 {
    font-family: var(--font-heading);
    color: var(--gold);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

#success-message p {
    font-size: 1.1rem;
    color: var(--text-main);
}

#success-message svg {
    width: 90px;
    height: 90px;
    fill: var(--gold);
    margin-bottom: 25px;
    filter: drop-shadow(0 4px 10px var(--gold-glow));
}

/* Admin Specific */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 25px;
    border-bottom: 2px solid var(--card-border);
}

.admin-header h2 {
    font-family: var(--font-heading);
    color: var(--gold);
    font-size: 1.8rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.95rem;
}

.admin-table th, .admin-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--input-border);
}

.admin-table th {
    color: var(--gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.admin-table tr:hover td {
    background: rgba(0, 0, 0, 0.02);
}

.chart-container {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 40px;
    border: 2px solid var(--card-border);
    backdrop-filter: blur(12px);
}

/* Animations */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        padding: 20px 10px;
    }
    
    .section-card {
        padding: 30px 15px;
        margin-bottom: 25px;
        border-radius: 12px;
    }
    
    .header {
        margin-bottom: 30px;
    }
    
    .header img {
        max-width: 200px;
        margin-bottom: 10px;
    }
    
    .header h1 {
        font-size: 1.6rem;
        letter-spacing: 2px;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    /* Elegant Single Row Circular Rating Buttons */
    .rating-options {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 4px;
        width: 100%;
    }
    
    .rating-options label {
        flex: 1 1 0;
        min-width: 0;
        width: auto;
        height: auto;
        aspect-ratio: 1;
        border-radius: 50%;
        font-size: 0.85rem;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .rating-options label.na {
        border-radius: 50%;
        width: auto;
        height: auto;
        font-size: 0.65rem;
        letter-spacing: 0;
    }
    
    /* Form input optimizations for mobile */
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group label {
        font-size: 0.85rem;
    }
    
    .form-control {
        padding: 12px 16px;
        font-size: 1rem;
        border-radius: 8px;
    }
    
    textarea.form-control {
        min-height: 100px;
    }
    
    /* Botones de navegación - fila horizontal perfecta */
    .form-navigation {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        gap: 12px;
        margin-top: 30px;
        width: 100%;
    }
    
    .btn-icon {
        width: 54px;
        height: 54px;
        min-width: 54px;
        min-height: 54px;
    }
    
    .btn-icon svg {
        width: 26px;
        height: 26px;
    }
    
    #next-btn {
        margin-left: auto;
    }
    
    #submit-btn {
        flex-grow: 1;
        height: 54px;
        border-radius: 30px;
        padding: 0 20px;
        font-size: 0.9rem;
        margin-left: auto;
        max-width: none;
    }
}

/* Los iconos de los botones de navegación se centran mediante flexbox en .btn-icon */

/* Language Selector */
.lang-selector-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    animation: fadeIn 0.8s ease-out;
}

.lang-selector-title {
    font-family: var(--font-heading);
    color: var(--gold);
    font-size: 2.2rem;
    margin-bottom: 50px;
    text-align: center;
    letter-spacing: 2px;
}

.lang-options {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.lang-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 180px;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 10px 30px var(--card-shadow);
    backdrop-filter: blur(12px);
}

.lang-btn span {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 15px;
    color: var(--gold);
    letter-spacing: 1px;
}

.lang-btn:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--gold-glow);
    border-color: var(--gold);
    background: rgba(255, 255, 255, 1);
}

.lang-btn:hover span {
    color: var(--gold-hover);
}

.lang-flag {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 6px 15px rgba(0,0,0,0.08);
    transition: transform 0.4s ease;
    border: 3px solid rgba(255,255,255,0.8);
    background: #fdfdfd;
}

.lang-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.lang-btn:hover .lang-flag {
    transform: scale(1.08);
    box-shadow: 0 10px 25px rgba(205, 170, 131, 0.3);
    border-color: var(--gold);
}

@media (max-width: 768px) {
    .lang-selector-container {
        min-height: 80vh;
        padding: 20px 0;
    }
    .lang-selector-container img {
        max-width: 160px !important;
        margin-bottom: 20px !important;
    }
    .lang-selector-title {
        font-size: 1.5rem !important;
        margin-bottom: 30px !important;
        letter-spacing: 1px;
    }
    .lang-options {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        align-items: center;
    }
    .lang-btn {
        width: 100%;
        max-width: 260px;
        height: 68px;
        flex-direction: row;
        justify-content: flex-start;
        padding: 0 24px;
        gap: 16px;
        border-radius: 12px;
        box-shadow: 0 6px 20px var(--card-shadow);
    }
    .lang-btn span {
        margin-top: 0;
        font-size: 1.15rem;
    }
    .lang-flag {
        width: 40px !important;
        height: 40px !important;
        border-width: 2px !important;
    }
}

/* Back to Languages Button */
.back-to-lang {
    position: fixed;
    top: 30px;
    left: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--gold);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 10px 18px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    backdrop-filter: blur(10px); 
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    z-index: 1000;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.back-to-lang:hover {
    background: var(--gold);
    color: white;
    transform: translateX(-5px);
    box-shadow: 0 8px 25px var(--gold-glow);
}

.back-to-lang svg {
    transition: transform 0.3s ease;
}

.back-to-lang:hover svg {
    transform: translateX(-3px);
}

@media (max-width: 900px) {
    .back-to-lang {
        top: 15px;
        left: 15px;
        padding: 8px 12px;
        font-size: 0.75rem;
    }
}