/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --primary-blue-light: #dbeafe;
    --primary-purple: #7c3aed;
    --success-green: #10b981;
    --success-green-dark: #059669;
    --success-green-light: #d1fae5;
    --warning-orange: #f59e0b;
    --warning-orange-dark: #d97706;
    --warning-yellow: #fef3c7;
    --danger-red: #ef4444;
    --danger-red-dark: #dc2626;
    --text-dark: #1f2937;
    --text-gray: #4b5563;
    --text-light: #6b7280;
    --bg-gray: #f9fafb;
    --bg-white: #ffffff;
    --border-light: #e5e7eb;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 16px;
    --radius-sm: 10px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-gray);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 2rem;
    }
}

/* Cards */
.main-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .main-card {
        padding: 2.5rem;
    }
}

/* Header con gradiente */
.header-gradient {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    color: white;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-gradient h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: white;
}

@media (min-width: 640px) {
    .header-gradient {
        padding: 1.5rem 2.5rem;
    }
    
    .header-gradient h1 {
        font-size: 1.875rem;
    }
}

/* Tipografía */
h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.25rem;
    line-height: 1.3;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
    font-size: 1rem;
    line-height: 1.7;
}

/* Cards de Información */
.info-card {
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.info-card-time {
    background-color: #eff6ff;
    border-left: 4px solid #3b82f6;
}

.info-card-cost {
    background-color: #f0fdf4;
    border-left: 4px solid #10b981;
}

.info-card-warning {
    background-color: #fffbeb;
    border-left: 4px solid #f59e0b;
}

.info-card-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
    line-height: 1;
}

.info-card-time .info-card-icon {
    color: #1e40af;
}

.info-card-cost .info-card-icon {
    color: #059669;
}

.info-card-warning .info-card-icon {
    color: #d97706;
}

.info-card-content h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-card-content p {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.info-card-time .info-card-content p {
    color: #1e40af;
}

.info-card-cost .info-card-content p {
    color: #059669;
}

.info-card-content small {
    font-size: 0.8125rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Grid de Features */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1.5rem 1.25rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-card-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 0.75rem;
    display: block;
}

.feature-card h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 0.8125rem;
    color: var(--text-gray);
    margin-bottom: 0;
    line-height: 1.5;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    width: 100%;
    letter-spacing: 0.3px;
}

@media (min-width: 640px) {
    .btn {
        width: auto;
    }
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background-color: var(--success-green);
    color: white;
}

.btn-success:hover {
    background-color: var(--success-green-dark);
}

.btn-danger {
    background-color: var(--danger-red);
    color: white;
}

.btn-danger:hover {
    background-color: var(--danger-red-dark);
}

.btn-warning {
    background-color: var(--warning-orange);
    color: white;
}

.btn-warning:hover {
    background-color: var(--warning-orange-dark);
}

.btn-full {
    width: 100%;
}

.text-center {
    text-align: center;
}

/* Formularios */
.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.form-label .required {
    color: var(--danger-red);
    margin-left: 0.25rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.875rem 0;
    font-size: 1rem;
    border: none;
    border-bottom: 2px solid var(--border-light);
    background: transparent;
    color: var(--text-dark);
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-bottom-color: var(--primary-blue);
}

.form-input::placeholder {
    color: var(--text-light);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    padding-right: 2rem;
}

/* Radio buttons */
.radio-group {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.radio-option input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.radio-option label {
    font-size: 1rem;
    color: var(--text-dark);
    cursor: pointer;
    margin: 0;
    font-weight: 400;
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-option input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    cursor: pointer;
    flex-shrink: 0;
    accent-color: var(--primary-blue);
}

.checkbox-option label {
    font-size: 0.9375rem;
    color: var(--text-dark);
    cursor: pointer;
    margin: 0;
    line-height: 1.6;
}

/* Date picker */
.date-input-wrapper {
    position: relative;
}

.date-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--primary-blue);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-dark);
    cursor: pointer;
}

.date-input:focus {
    outline: none;
    border-color: var(--primary-blue-dark);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Progreso */
.progress-block {
    background-color: #eff6ff;
    padding: 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-blue);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-title {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1.125rem;
}

.progress-stats {
    color: var(--text-gray);
    font-size: 0.9375rem;
    font-weight: 500;
}

.progress-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 0.75rem;
    background-color: #dbeafe;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--primary-blue);
    transition: width 0.4s ease;
    border-radius: 9999px;
}

.progress-percentage {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 600;
    min-width: 3.5rem;
    text-align: right;
}

/* Preguntas */
.questions-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.questions-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
}

/* Contenedor de preguntas: todas las tarjetas con la misma altura (basada en la más alta) */
.questions-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.question-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    margin-bottom: 0;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, background-color 0.2s;
    /* Altura mínima para que todas las tarjetas tengan la misma proporción (según pregunta más larga) */
    min-height: 240px;
    display: flex;
    flex-direction: column;
}

.question-card:hover {
    box-shadow: var(--shadow-md);
}

.question-card-answered {
    background-color: #f3f4f6;
}

.question-area {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.question-text {
    font-size: 1.0625rem;
    color: var(--text-dark);
    margin-bottom: 1.25rem;
    line-height: 1.7;
    font-weight: 400;
    flex: 1;
    min-height: 4.5em;
}

.question-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-shrink: 0;
}

.question-btn {
    width: 100%;
    min-height: 3.25rem;
    height: 3.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.3;
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .question-buttons {
        flex-direction: row;
    }
    
    .question-btn {
        flex: 1;
        width: auto;
        min-height: 2.75rem;
        height: auto;
        padding: 0.875rem 1.25rem;
    }
}

.question-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.question-btn-yes {
    background-color: var(--success-green);
    color: white;
}

.question-btn-yes:hover {
    background-color: var(--success-green-dark);
}

.question-btn-no {
    background-color: var(--danger-red);
    color: white;
}

.question-btn-no:hover {
    background-color: var(--danger-red-dark);
}

.question-btn-unsure {
    background-color: var(--warning-orange);
    color: white;
}

.question-btn-unsure:hover {
    background-color: var(--warning-orange-dark);
}

.question-btn-disabled {
    background-color: #9ca3af !important;
    color: white !important;
    opacity: 0.6;
}

.question-btn-disabled:hover {
    background-color: #6b7280 !important;
    opacity: 0.8;
}

/* Instrucciones */
.instruction-section {
    margin-bottom: 2rem;
}

.instruction-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background-color: var(--primary-blue);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9375rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.highlight-box {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-top: 0.75rem;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.highlight-box-blue {
    background-color: #eff6ff;
    border-left: 4px solid var(--primary-blue);
}

.highlight-box-orange {
    background-color: #fffbeb;
    border-left: 4px solid var(--warning-orange);
}

.highlight-box-green {
    background-color: #f0fdf4;
    border-left: 4px solid var(--success-green);
}

.highlight-box strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* Información registrada */
.info-registered {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.875rem;
    margin-top: 1rem;
    padding: 1.25rem;
    background-color: #f9fafb;
    border-radius: var(--radius-sm);
}

@media (min-width: 640px) {
    .info-registered {
        grid-template-columns: repeat(2, 1fr);
    }
}

.info-registered-item {
    font-size: 0.9375rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.info-registered-item strong {
    color: var(--text-dark);
    font-weight: 600;
    margin-right: 0.5rem;
}

/* Info horizontal */
.info-horizontal {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1.25rem;
}

@media (min-width: 640px) {
    .info-horizontal {
        grid-template-columns: repeat(3, 1fr);
    }
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
}

.info-item-icon {
    font-size: 1.75rem;
    color: var(--primary-purple);
    flex-shrink: 0;
    line-height: 1;
}

.info-item-text {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.info-item-text strong {
    color: var(--text-dark);
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

/* Consentimiento */
.consent-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

@media (min-width: 640px) {
    .consent-buttons {
        flex-direction: row;
    }
}

.consent-btn {
    flex: 1;
}

/* Footer */
.footer-text {
    font-size: 0.8125rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    line-height: 1.7;
}

.footer-text p {
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
}

.footer-text p:last-child {
    margin-bottom: 0;
}

/* Lista */
.bullet-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1rem;
}

.bullet-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--text-gray);
    line-height: 1.7;
}

.bullet-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-dark);
    font-weight: bold;
    font-size: 1.25rem;
}

.text-italic {
    font-style: italic;
    color: var(--text-gray);
    font-size: 0.875rem;
    margin-top: 0.75rem;
}

/* Iconos inline */
.inline-icon {
    font-size: 1.25rem;
    line-height: 1.5;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.icon-small {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
}

/* Utilidades */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Responsive */
@media (max-width: 639px) {
    .container {
        padding: 0.75rem;
    }
    
    .main-card {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
}