/* UI component styles */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    padding: 10px 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 6px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #0b0e14 !important;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.35);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.btn-block {
    display: flex;
    width: 100%;
}

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

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    transition: border-color var(--transition-normal), background-color var(--transition-normal);
}

/* Metrics Dashboard Cards */
.metrics-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.metric-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.metric-card:hover {
    transform: translateY(-2px);
    border-color: var(--text-muted);
}

.metric-card .card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.metric-card .card-header h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.card-title-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    font-size: 14px;
}

.txt-primary { color: var(--primary-color); }
.txt-success { color: var(--success-color); }
.txt-danger { color: var(--danger-color); }

/* Mini Coin List (Inside metrics cards) */
.mini-coin-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mini-coin-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    border-radius: 6px;
    transition: background-color var(--transition-fast);
}

.mini-coin-item:hover {
    background-color: var(--bg-tertiary);
}

.mini-coin-symbol {
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--text-primary);
}

.mini-coin-price {
    font-weight: 500;
    color: var(--text-secondary);
}

.mini-coin-change {
    font-weight: 600;
    font-size: 13px;
}

/* Markets Ranking Table */
.table-card {
    padding: 0;
    overflow: hidden;
}

.table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
}

.markets-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.markets-table th {
    background-color: rgba(19, 23, 34, 0.4);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    user-select: none;
}

:root[data-theme="light"] .markets-table th {
    background-color: rgba(241, 245, 249, 0.4);
}

.markets-table th a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.markets-table td {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    transition: background-color var(--transition-fast);
}

.coin-table-row:hover td {
    background-color: var(--bg-tertiary);
}

/* Table columns customization */
.th-watchlist, .td-watchlist { width: 48px; padding-right: 0 !important; }
.th-rank, .td-rank { width: 60px; color: var(--text-muted); font-weight: 500; }
.th-coin-info, .td-coin-info { width: 220px; }
.th-price, .td-price { width: 140px; }
.th-change, .td-change { width: 120px; }
.th-volume, .td-volume { width: 150px; color: var(--text-secondary); }
.th-mcap, .td-mcap { width: 170px; }
.th-sparkline, .td-sparkline { width: 160px; }

.text-right { text-align: right; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }

/* Watchlist Star Toggle */
.watchlist-star-btn {
    cursor: pointer;
    font-size: 16px;
    color: var(--text-muted);
    transition: color var(--transition-fast), transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

.watchlist-star-btn:hover {
    color: var(--gold-color);
    background-color: var(--bg-tertiary);
}

.watchlist-star-btn.watchlisted {
    color: var(--gold-color);
}

/* Coin logo + symbol styling */
.coin-info-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.coin-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--bg-tertiary);
}

.coin-logo-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.coin-name-wrapper {
    display: flex;
    flex-direction: column;
}

.coin-symbol {
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--text-primary);
}

.coin-name {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Indicators */
.change-indicator {
    font-size: 10px;
    margin-right: 2px;
}

/* Alerts */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: var(--border-radius-md);
    margin-bottom: 24px;
    position: relative;
    border: 1px solid transparent;
}

.alert-success {
    background-color: var(--success-bg);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.alert-danger {
    background-color: var(--danger-bg);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.alert-content {
    flex: 1;
    font-weight: 500;
    font-size: 14px;
}

.alert-close {
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* Input Fields */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-icon-wrapper {
    position: relative;
}

.form-input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.input-icon-wrapper .form-control {
    padding-left: 46px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-cex { background-color: rgba(56, 189, 248, 0.15); color: #38bdf8; }
.badge-dex { background-color: rgba(163, 230, 53, 0.15); color: #a3e635; }

/* Empty state states */
.table-empty-state {
    text-align: center;
    padding: 48px 24px !important;
}

.table-empty-state i {
    font-size: 36px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.table-empty-state p {
    color: var(--text-secondary);
    font-size: 15px;
}

.padded-y-lg {
    padding: 64px 24px;
}

.empty-state-icon {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.margin-t-md {
    margin-top: 24px;
}

/* Sparklines */
.sparkline-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.sparkline-svg {
    display: block;
    overflow: visible;
}

.no-chart {
    font-size: 12px;
    color: var(--text-muted);
}

/* Pagination styling */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 14px;
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pagination-pages {
    display: flex;
    align-items: center;
    gap: 6px;
}

.page-num-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.page-num-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.page-num-link.active {
    color: #0b0e14;
    background: var(--primary-gradient);
    border-color: transparent;
    font-weight: 600;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.pagination-ellipsis {
    color: var(--text-muted);
    padding: 0 4px;
    user-select: none;
    font-weight: 500;
}