:root {
    --color-primary: #000000;
    --color-primary-hover: #343434;
    --color-secondary: #000000;
    --color-tertiary: #E2E2E2;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #555555;
    --color-text-muted: #888888;
    --template-font: "Poppins";
    --template-headings-font: "Poppins";
}

body {
    font-family: "Poppins", sans-serif;
    background: #fff;
    color: var(--color-text);
    line-height: 1.6;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
}

/* Navigation Menu - styl Shoptet */
.nav-menu {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    padding: 0 15px;
}

.nav-menu a {
    padding: 10px 20px;
    background: var(--color-tertiary);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    border: none;
}

.nav-menu a:hover {
    background: var(--color-primary);
    color: #fff;
}

.nav-menu a.active {
    background: var(--color-primary);
    color: #fff;
}

/* Content area */
.content-area {
    background: #fff;
    padding: 30px;
    margin-bottom: 30px;
}

.content-area h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.content-area h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 30px 0 15px;
    color: var(--color-primary);
}

.content-area h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 25px 0 15px;
    text-align: center;
}

.content-area p {
    margin-bottom: 15px;
    font-size: 15px;
}

.intro-text {
    text-align: center;
    font-style: italic;
    font-weight: 600;
    margin-bottom: 10px;
}

.warning-text {
    text-align: center;
    color: #ff0000;
    font-style: italic;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 30px;
}

.update-date {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-box {
    background: var(--color-tertiary);
    padding: 25px 20px;
    text-align: center;
}

.stat-box .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.stat-box .stat-label {
    font-size: 13px;
    color: var(--color-text-light);
}

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.chart-box {
    background: #fff;
    border: 1px solid var(--color-tertiary);
    padding: 20px;
}

.chart-box h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
}

.chart-container {
    position: relative;
    height: 280px;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--color-tertiary);
}

.data-table th {
    font-weight: 600;
    color: var(--color-text-light);
    font-size: 12px;
    text-transform: uppercase;
}

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

.country-flag { margin-right: 8px; }

.progress-bar {
    background: var(--color-tertiary);
    height: 6px;
    margin-top: 5px;
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
}

/* Traffic Sources Grid */
.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.source-item,
.traffic-item {
    background: var(--color-tertiary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #d0d0d0;
}

.source-item .source-name,
.traffic-item .source-name {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.source-item .source-value,
.traffic-item .source-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.source-item .source-percent,
.traffic-item .source-percent {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* Platform Cards */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.platform-card {
    background: #fff;
    border: 1px solid var(--color-tertiary);
    padding: 30px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.2s;
}

.platform-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.platform-card .platform-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.platform-card .platform-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.platform-card .platform-stat {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.platform-card .platform-label {
    font-size: 13px;
    color: var(--color-text-light);
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 40px 20px;
    background: var(--color-tertiary);
    margin-top: 30px;
}

.cta-section h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-section p {
    margin-bottom: 10px;
    font-size: 15px;
}

.cta-section .email {
    font-weight: 700;
}

/* Platform specific colors */
.youtube-color { color: #FF0000; }
.instagram-color { color: #E4405F; }
.facebook-color { color: #1877F2; }
.tiktok-color { color: #000000; }

.youtube-bg { background: #FF0000; }
.instagram-bg { background: linear-gradient(45deg, #405DE6, #5851DB, #833AB4, #C13584, #E1306C, #FD1D1D); }
.facebook-bg { background: #1877F2; }
.tiktok-bg { background: #000000; }

/* Period box - velky box s obdobim */
.period-box {
    background: var(--color-primary);
    color: #fff;
    text-align: center;
    padding: 25px 20px;
    margin-bottom: 30px;
}

.period-box .period-days {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
}

.period-box .period-dates {
    font-size: 16px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .content-area { padding: 20px 15px; }
    .content-area h1 { font-size: 22px; }
    .charts-row { grid-template-columns: 1fr; }
    .stat-box .stat-value { font-size: 22px; }
    .nav-menu a { padding: 8px 15px; font-size: 13px; }
}