:root {
    --primary-color: #607B8F;
    --primary-hover: #E97F4A;
    --text-dark: #333;
    --text-light: #F7E396;
    --border-color: #F7E396;
    --background: #434E78;

    /* Chart text styles */
    --chart-axis-color: #666;
    --chart-year-color: #333;
    --chart-font-family: 'Arial, sans-serif';
    --chart-font-size: 13px;
    --chart-year-font-size: 15px;
}

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

/* Body */
body { 
    font-family: Arial, sans-serif; 
    padding: 20px; 
    background: var(--background); 
}

/* Container */
.container { 
    max-width: 1400px; 
    margin: 0 auto; 
    background: white; 
    padding: 30px; 
    border-radius: 8px; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.1); 
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.header h1 {
    margin: 0;
    color: var(--text-dark);
    font-size: 30px;
}

.header h1 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: inherit;
}

.header h1 a:hover {
    color: var(--primary-color);
}

.header a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
}


.header a:hover {
    text-decoration: underline;
}

/* Chart Header */
.chart-header {
    text-align: left;
    margin-bottom: 20px;
    margin-top: 40px;
}

.chart-header h2 {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-family: Arial, Helvetica, sans-serif;
}

.chart-header p {
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 400;
    margin: 0;
    margin-top: 10px;
    margin-bottom: 0px;
    letter-spacing: normal;
    font-family: Arial, Helvetica, sans-serif;
}

/* Content Tabs */
.content-tabs {
    display: flex;
    gap: 5px;
    background: #f0f0f0;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.content-tabs button {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 16px;
    border-radius: 4px;
}

.content-tabs button.active {
    background: white;
    font-weight: bold;
}

.content-tabs button:hover {
    background: #e0e0e0;
}

.content-tabs button.active:hover {
    background: white;
}

/* Utility */
.hidden {
    display: none;
}

/* Typography */
h2 {
    margin-top: 30px;
    margin-bottom: 30px;
    color: var(--text-dark);
}

h3 {
    margin-top: 30px;
    margin-bottom: 30px;
    color: var(--text-dark);
    font-size: 18px;
}

p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--text-dark);
}

p a {
    color: var(--primary-color);
    text-decoration: none;
}

p a:hover {
    text-decoration: underline;
}

/* Back Link Button */
.back-link {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white !important;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.2s;
}

.back-link:hover {
    background: var(--primary-hover);
    text-decoration: none !important;
}

/* Search Section */
.search-section { 
    margin-bottom: 20px; 
}

.search-box { 
    position: relative; 
    margin-bottom: 15px; 
}

#cardSearch { 
    width: 100%; 
    padding: 10px; 
    font-size: 16px; 
    border: 2px solid var(--border-color); 
    border-radius: 4px; 
}

#cardSearch:focus { 
    outline: none; 
    border-color: var(--primary-color); 
}

.clear-all-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 4px 10px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 12px;
    font-family: Arial, Helvetica, sans-serif;
}

.clear-all-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: none;
}

.empty-state {
    text-align: center;
    color: var(--primary-color);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    padding: 80px 0;
}

/* Autocomplete */
.autocomplete-items { 
    position: absolute; 
    border: 1px solid var(--border-color); 
    border-top: none; 
    z-index: 99; 
    top: 100%; 
    left: 0; 
    right: 0; 
    max-height: 300px; 
    overflow-y: auto; 
    background: white; 
}

.autocomplete-items div { 
    padding: 10px; 
    cursor: pointer; 
    border-bottom: 1px solid var(--border-color); 
}

.autocomplete-items div:hover { 
    background-color: #e9e9e9; 
}

/* Selected Cards */
.selected-cards { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 8px; 
    min-height: 40px; 
}

.card-chip { 
    background: var(--primary-color); 
    color: white; 
    padding: 6px 12px; 
    border-radius: 16px; 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    font-size: 14px; 
}

.card-chip button {
    background: none; 
    border: none; 
    color: white; 
    cursor: pointer; 
    font-size: 18px; 
    font-weight: bold; 
    padding: 0; 
    width: 20px; 
    height: 20px; 
}

.card-chip button:hover { 
    color: #ffcccc; 
}

/* Chart */
.chart-container { 
    position: relative; 
    height: 600px; 
    margin-top: 20px; 
}

.empty-state { 
    text-align: center; 
    color: #999; 
    padding: 100px 20px; 
}