/* Global styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* Main content area */
.main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 16px var(--shadow);
}

/* Games count and popup */
.home-games-count {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.home-datasets-count {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 4px;
}

.btn-games-info {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, color 0.2s;
    line-height: 1;
}

.btn-games-info:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.games-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
}

.games-popup.hidden {
    display: none;
}

.games-popup-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    width: 90%;
    max-width: 420px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px var(--shadow);
}

.games-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.games-popup-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.games-popup-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s;
}

.games-popup-close:hover {
    color: var(--accent);
}

.games-popup-list {
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.games-popup-item {
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: background-color 0.15s;
}

.games-popup-item:hover {
    background-color: var(--bg-secondary);
}

/* Page title */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    text-align: left;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

/* Select wrapper */
.select-wrapper {
    margin-top: 30px;
}

.select-wrapper label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.styled-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--input-text);
    font-size: 1rem;
    transition: border-color 0.2s;
    appearance: auto;
}

.styled-select:focus {
    outline: none;
    border-color: var(--accent);
}

.styled-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Dataset info */
.dataset-info {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* Dataset warning for duplicates */
.dataset-warning {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ff9800;
    margin-bottom: 16px;
    padding: 10px 14px;
    background-color: rgba(255, 152, 0, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.dataset-warning.hidden {
    display: none;
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Credit cards */
.credit-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.credit-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow);
}

.credit-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.credit-function {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-style: italic;
}

.credit-data {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.credit-btn {
    display: inline-block;
}

/* Changelog cards */
.changelog-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.changelog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow);
}

.changelog-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.changelog-badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    white-space: nowrap;
}

.badge-gray {
    background-color: #6c757d;
    color: #ffffff;
}

.badge-blue {
    background-color: #2196f3;
    color: #ffffff;
}

.badge-red {
    background-color: var(--accent);
    color: #ffffff;
}

.badge-green {
    background-color: #4caf50;
    color: #ffffff;
}

.changelog-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.changelog-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.changelog-desc-list {
    list-style: none;
    padding: 0;
    margin: 0 0 12px 0;
}

.changelog-desc-list li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding: 2px 0 2px 16px;
    position: relative;
}

.changelog-desc-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.changelog-game-item {
    color: #ffd700 !important;
}

.changelog-game-item::before {
    color: #ffd700 !important;
    content: '★' !important;
}

.changelog-major-item {
    color: #92ff95 !important;
    font-weight: 700 !important;
}

.changelog-major-item::before {
    color: #92ff95 !important;
    content: '◆' !important;
}

.changelog-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-style: italic;
}

.changelog-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

.changelog-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Presets section */
.preset-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: background-color 0.2s;
}

.preset-item:hover {
    background-color: var(--bg-card);
}

.preset-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
    text-align: left;
}

.preset-dataset {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}

.preset-detail {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.preset-actions {
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
}

.preset-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
    white-space: nowrap;
}

.preset-delete {
    opacity: 0.7;
}

.preset-delete:hover {
    opacity: 1;
    background-color: #e74c3c;
    color: #fff;
}

.preset-share:hover {
    background-color: #2196f3;
    color: #fff;
}

/* Control checkboxes */
.control-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

/* Custom dataset dropdown with badges */
.dataset-select-wrapper {
    position: relative;
}

.custom-dataset-dropdown {
    position: relative;
}

.custom-dataset-trigger {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--input-text);
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.custom-dataset-trigger:hover:not(:disabled) {
    border-color: var(--accent);
}

.custom-dataset-trigger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.custom-dataset-trigger::after {
    content: '▼';
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 8px;
}

.custom-dataset-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0 0 8px 8px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 50;
    box-shadow: 0 4px 12px var(--shadow);
}

.custom-dataset-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 14px;
    cursor: pointer;
    transition: background-color 0.15s;
    color: var(--text-primary);
}

.custom-dataset-option:hover {
    background-color: var(--bg-secondary);
}

.custom-dataset-option-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dataset-flag-badge {
    flex-shrink: 0;
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background-color: #0e9c10;
}

.dataset-qty-badge {
    flex-shrink: 0;
    background-color: #dc1414;
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Utility */
.text-center {
    text-align: center;
}

.mt-16 {
    margin-top: 16px;
}

.mt-24 {
    margin-top: 24px;
}

.mb-24 {
    margin-bottom: 24px;
}