/* Custom Styles for Swiss Premium Calculator */

:root {
    --swiss-red: #DC143C;
    --swiss-gray: #F5F5F5;
    --swiss-blue: #003087;
    --transition: all 0.3s ease;
}

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
}

/* Swiss Flag Animation */
.swiss-flag {
    background: linear-gradient(135deg, var(--swiss-red) 0%, #B71C1C 100%);
    position: relative;
    overflow: hidden;
}

.swiss-flag::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 20px;
    background: white;
    border-radius: 1px;
}

.swiss-flag::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 6px;
    background: white;
    border-radius: 1px;
}

/* Navigation Tabs */
.nav-tab {
    transition: var(--transition);
    position: relative;
}

.nav-tab.active {
    color: var(--swiss-red);
    border-bottom-color: var(--swiss-red);
}

.nav-tab:hover:not(.active) {
    color: var(--swiss-red);
    border-bottom-color: #FFB3BA;
}

/* Tab Content Animation */
.tab-content {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Styles */
.form-group {
    position: relative;
}

.form-input {
    transition: var(--transition);
    border: 2px solid #E5E7EB;
}

.form-input:focus {
    border-color: var(--swiss-red);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

.form-input:invalid {
    border-color: #EF4444;
}

.form-input:valid {
    border-color: #10B981;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Results Display */
.result-card {
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
    border-left: 4px solid var(--swiss-red);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.premium-amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--swiss-red);
    text-align: center;
    margin: 1rem 0;
}

.premium-breakdown {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #F3F4F6;
}

.breakdown-item:last-child {
    border-bottom: none;
    font-weight: bold;
    color: var(--swiss-red);
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* FAQ Styles */
.faq-item {
    position: relative;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: #F9FAFB;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: bold;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    border-top: 1px solid #F3F4F6;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 200px;
    }
}

/* Table Styles */
.table-container {
    max-height: 600px;
    overflow-y: auto;
}

.table-row {
    transition: var(--transition);
}

.table-row:hover {
    background-color: #F9FAFB;
}

/* Loading States */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--swiss-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Error States */
.error {
    color: #EF4444;
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.success {
    color: #10B981;
    background-color: #F0FDF4;
    border: 1px solid #BBF7D0;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

/* Swiss Government Style Button */
.btn-swiss {
    background: linear-gradient(135deg, var(--swiss-red) 0%, #B71C1C 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-swiss:hover {
    background: linear-gradient(135deg, #B71C1C 0%, #8B0000 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(220, 20, 60, 0.3);
}

.btn-swiss:active {
    transform: translateY(0);
}

/* Language Selector */
.language-selector {
    background: white;
    border: 2px solid var(--swiss-red);
    color: var(--swiss-red);
    border-radius: 4px;
    padding: 0.5rem;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .premium-amount {
        font-size: 2rem;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .nav-tab {
        font-size: 0.9rem;
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 640px) {
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .premium-amount {
        font-size: 1.75rem;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .print-page-break {
        page-break-before: always;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus indicators */
*:focus {
    outline: 2px solid var(--swiss-red);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid #000;
    }
    
    .btn-swiss {
        border: 2px solid #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #ffffff;
        --card-bg: #2a2a2a;
    }
    
    body {
        background-color: var(--bg-color);
        color: var(--text-color);
    }
    
    .card {
        background-color: var(--card-bg);
    }
}