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

:root {
    --primary-color: #d8792b;
    --primary-dark: #f1e045;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem 1rem;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo i {
    font-size: 2.25rem;
}

.logo-image {
    height: 4rem;
    width: auto;
    margin: 0 auto;
    display: block;
}

/* Main content */
.main-content {
    flex: 1;
    padding: 2rem 1rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Flash messages */
.flash-messages {
    margin-bottom: 2rem;
}

.flash-message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.flash-error {
    background-color: #fef2f2;
    color: var(--error-color);
    border: 1px solid #fecaca;
}

.flash-success {
    background-color: #f0fdf4;
    color: var(--success-color);
    border: 1px solid #bbf7d0;
}

/* Form container */
.form-container {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Event info */
.event-info {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.event-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.event-details {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.event-detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.event-detail i {
    color: var(--primary-color);
    width: 1.25rem;
    text-align: center;
}

.event-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.1rem;
}

/* Form styles */
.confirmation-form,
.transport-form {
    padding: 2rem;
}

/* Header section for transport form */
.header-section {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.form-main-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.form-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Language selector */
.language-selector {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.lang-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: all 0.2s ease;
    background-color: var(--surface-color);
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: #f8fafc;
}

.lang-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Form sections */
.form-section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background-color: #f8fafc;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.section-title i {
    color: var(--primary-color);
}

/* Form rows for side-by-side inputs */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Form select */
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.2s ease;
    background-color: var(--surface-color);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* Form help text */
.form-help {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    font-style: italic;
}

/* Form input group */
.form-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Checkbox container */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease;
}

.checkbox-container:hover {
    background-color: #f8fafc;
}

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

.checkbox-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Disabled and readonly input styles */
.form-input:disabled,
.form-input[readonly],
.form-select:disabled,
.form-textarea:disabled {
    background-color: #f3f4f6;
    color: #9ca3af;
    cursor: not-allowed;
    border-color: #e5e7eb;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-title i {
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-label i {
    color: var(--primary-color);
    width: 1rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.2s ease;
    background-color: var(--surface-color);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Radio group */
.radio-group {
    display: grid;
    gap: 1rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: var(--surface-color);
}

.radio-option:hover {
    border-color: var(--primary-color);
    background-color: #f8fafc;
}

.radio-option input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: all 0.2s ease;
}

.radio-option input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
}

.radio-option input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.5rem;
    height: 0.5rem;
    background-color: white;
    border-radius: 50%;
}

.radio-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.radio-text i {
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.form-actions {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

/* Confirmation page */
.confirmation-container {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.confirmation-header {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-bottom: 1px solid var(--border-color);
}

.success-icon {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.confirmation-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.confirmation-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.confirmation-details {
    padding: 2rem;
}

.detail-section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    color: var(--primary-color);
}

.detail-grid {
    display: grid;
    gap: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 120px;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
    flex: 1;
}

.attendance-yes {
    color: var(--success-color);
}

.attendance-no {
    color: var(--error-color);
}

.attendance-maybe {
    color: var(--warning-color);
}

.detail-text {
    color: var(--text-primary);
    line-height: 1.6;
    padding: 1rem;
    background-color: #f8fafc;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.confirmation-actions {
    padding: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    border-top: 1px solid var(--border-color);
}

.confirmation-footer {
    padding: 1.5rem 2rem;
    background-color: #f8fafc;
    border-top: 1px solid var(--border-color);
}

.info-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background-color: #e0f2fe;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.info-box i {
    color: var(--primary-color);
    margin-top: 0.125rem;
}

.info-box p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
}

/* Responsive design */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .header {
        padding: 1.5rem 1rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .event-info,
    .confirmation-form,
    .transport-form {
        padding: 1.5rem;
    }
    
    .header-section {
        padding: 1.5rem;
    }
    
    .form-section {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .language-selector {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .lang-btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .confirmation-header {
        padding: 2rem 1.5rem;
    }
    
    .confirmation-details {
        padding: 1.5rem;
    }
    
    .confirmation-actions {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .detail-value {
        text-align: left;
    }
    
    .event-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.25rem;
    }
    
    .event-title {
        font-size: 1.5rem;
    }
    
    .confirmation-title {
        font-size: 1.5rem;
    }
    
    .success-icon {
        font-size: 3rem;
    }
}