:root {
    --primary-color: #00bcd4;
    --active-bg: #007bff;
    --text-color: #fff;
    --bg-color: #2c2c2c;
    --border-color: #444;
}

* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 14px;
    background-color: #1a1a1a;
    position: relative;
    z-index: 100;
}

.header h1 a {
    color: inherit;
    text-decoration: none;
    font-size: 1.3rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 101;
}

.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.menu-overlay.active {
    display: block;
}

.nav {
    display: flex;
    gap: 7px;
    z-index: 100;
}

.nav button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 5px 9px;
    font-size: 0.8rem;
    transition: background-color 0.2s;
}

.nav button:hover {
    background-color: var(--primary-color);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 7px;
    margin: 14px 0;
    flex-wrap: wrap;
}

.action-buttons button {
    padding: 7px 14px;
    border: none;
    background: #333;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.8rem;
}

.action-buttons button.active {
    background-color: var(--active-bg);
}

.selection-container {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin: 14px 0;
    flex-wrap: wrap;
    max-width: 100%;
    padding: 0 7px;
    z-index: 10;
}

.custom-select {
    position: relative;
    width: 100%;
    max-width: 260px;
}

.selected-chains {
    padding: 10px;
    background: #333;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    min-height: 32px;
    align-items: center;
    font-size: 0.8rem;
}

.selected-chains .placeholder {
    color: #999;
}

.chain-chip {
    background: var(--primary-color);
    color: #fff;
    padding: 3px 7px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.7rem;
}

.chain-chip .remove-chip {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 0.6rem;
}

.chain-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #333;
    border: 1px solid #ccc;
    border-radius: 4px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 20;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.chain-search {
    padding: 7px;
}

.chain-search input {
    width: 100%;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #444;
    color: var(--text-color);
    font-size: 0.8rem;
}

.chain-options {
    padding: 7px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.chain-options label {
    display: flex;
    align-items: center;
    gap: 3px;
    cursor: pointer;
    font-size: 0.8rem;
}

.chain-options input[type="checkbox"] {
    margin: 0;
}

#select-all-chains {
    display: block;
    width: 100%;
    padding: 7px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    margin-top: 7px;
    font-size: 0.8rem;
}

#select-all-chains:hover {
    background: #0097b2;
}

.time-interval-selection select {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #333;
    color: var(--text-color);
    width: 100%;
    max-width: 160px;
    font-size: 0.8rem;
}

.search-container {
    display: flex;
    justify-content: center;
    margin: 14px 0;
    padding: 0 7px;
    z-index: 10;
}

.search-container input {
    padding: 7px;
    width: 100%;
    max-width: 260px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #333;
    color: var(--text-color);
    font-size: 0.8rem;
}

.search-results {
    margin: 14px 7px;
    max-width: 100%;
    max-height: 200px;
    overflow-y: auto;
    background-color: var(--bg-color);
    border: 2px solid var(--primary-color);
    border-radius: 7px;
    padding: 7px;
    display: none;
    z-index: 10;
}

.table-container {
    width: 100%;
    max-width: 100%;
    margin: 0 7px;
    overflow-x: auto;
    z-index: 10;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

.table th, .table td {
    padding: 5px;
    border: 1px solid var(--border-color);
    text-align: left;
    white-space: nowrap;
}

.sticky-col {
    position: sticky;
    left: 0;
    background: #333;
    z-index: 11;
}

.positive { color: #00ff00; }
.negative { color: #ff0000; }

.copy-button {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
}

.fancy-button {
    background: #444;
    border: none;
    color: var(--text-color);
    padding: 3px 7px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.7rem;
}

.footer {
    text-align: center;
    margin: 14px 0;
    padding: 0 7px;
    z-index: 10;
}

.footer button {
    padding: 7px 14px;
    border: none;
    background: #333;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.8rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin: 14px 0;
    flex-wrap: wrap;
    z-index: 10;
}

.social-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.8rem;
}

.language-selector {
    position: absolute;
    top: 5px;
    right: 14px;
    z-index: 102;
}

.language-selector select {
    padding: 3px;
    border-radius: 4px;
    background: #333;
    color: var(--text-color);
    border: 1px solid #ccc;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .header {
        justify-content: space-between;
        align-items: center;
        padding: 5px 10px;
    }

    .nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 200px;
        height: 100%;
        background: #1a1a1a;
        flex-direction: column;
        padding: 45px 14px 14px;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .nav.active {
        display: flex;
        transform: translateX(0);
    }

    .nav button {
        text-align: left;
        width: 100%;
        padding: 9px;
        font-size: 0.75rem;
    }

    .selection-container {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin: 10px 0;
        padding: 0 5px;
    }

    .custom-select {
        max-width: 240px;
    }

    .selected-chains {
        padding: 10px;
        min-height: 30px;
        font-size: 0.75rem;
    }

    .chain-chip {
        padding: 2px 6px;
        font-size: 0.65rem;
    }

    .chain-chip .remove-chip {
        font-size: 0.55rem;
    }

    .chain-dropdown {
        max-height: 180px;
    }

    .chain-search input {
        padding: 4px;
        font-size: 0.75rem;
    }

    .chain-options label {
        font-size: 0.75rem;
    }

    #select-all-chains {
        padding: 5px;
        font-size: 0.75rem;
    }

    .time-interval-selection select {
        padding: 7px;
        max-width: 140px;
        font-size: 0.75rem;
    }

    .search-container {
        margin: 10px 0;
        padding: 0 5px;
    }

    .search-container input {
        padding: 5px;
        max-width: 240px;
        font-size: 0.75rem;
    }

    .search-results {
        margin: 10px 5px;
        max-height: 180px;
        padding: 5px;
        border-radius: 5px;
    }

    .table-container {
        margin: 0 5px;
    }

    .table {
        font-size: 0.7rem;
    }

    .table th, .table td {
        padding: 4px;
    }

    .fancy-button {
        padding: 2px 6px;
        font-size: 0.65rem;
    }

    .footer {
        margin: 10px 0;
        padding: 0 5px;
    }

    .footer button {
        padding: 5px 10px;
        font-size: 0.75rem;
    }

    .social-links {
        gap: 10px;
        margin: 10px 0;
    }

    .social-links a {
        font-size: 0.75rem;
    }

    .language-selector {
        top: 2px;
        right: 10px;
    }

    .language-selector select {
        padding: 2px;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .header h1 a {
        font-size: 1.1rem;
    }

    .action-buttons button {
        padding: 7px 14px;
        font-size: 0.7rem;
    }

    .selection-container {
        gap: 8px;
        margin: 8px 0;
        padding: 0 3px;
    }

    .custom-select {
        max-width: 220px;
    }

    .selected-chains {
        padding: 10px;
        min-height: 28px;
        font-size: 0.7rem;
    }

    .chain-chip {
        padding: 2px 5px;
        font-size: 0.6rem;
    }

    .chain-chip .remove-chip {
        font-size: 0.5rem;
    }

    .chain-dropdown {
        max-height: 160px;
    }

    .chain-search input {
        padding: 3px;
        font-size: 0.7rem;
    }

    .chain-options label {
        font-size: 0.7rem;
    }

    .time-interval-selection select {
        padding: 7px;
        max-width: 120px;
        font-size: 0.7rem;
    }

    .search-container {
        margin: 8px 0;
        padding: 0 3px;
    }

    .search-container input {
        padding: 4px;
        max-width: 220px;
        font-size: 0.7rem;
    }

    .search-results {
        margin: 8px 3px;
        max-height: 160px;
        padding: 4px;
    }

    .table {
        font-size: 0.65rem;
    }

    .table th, .table td {
        padding: 3px;
    }

    .fancy-button {
        padding: 2px 5px;
        font-size: 0.6rem;
    }

    .footer button {
        padding: 4px 8px;
        font-size: 0.7rem;
    }

    .social-links {
        gap: 8px;
        margin: 8px 0;
    }

    .social-links a {
        font-size: 0.7rem;
    }

    .language-selector {
        right: 6px;
    }
}