/* ================================================================
 * DATEI: css/components/player-sidebar.css
 * ZWECK: Shared Player-Sidebar fuer Monitoring und Reporting
 * DESIGN: Refined Brass Studio -- warm charcoal + brass/gold accents
 * REFERENZIERT: css/variables.css (CSS Custom Properties)
 * REFERENZIERT VON: index.html
 * ================================================================ */

/* ========== LAYOUT ========== */
.player-view-layout {
    display: flex;
    height: 100%;
    overflow: hidden;
}

.player-view-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* ========== PLAYER SIDEBAR ========== */
.player-sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

/* ========== HEADER ========== */
.player-sidebar-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-height: 44px;
}

.player-sidebar-header i {
    color: var(--accent-primary);
    font-size: var(--font-sm);
}

.player-sidebar-header .player-count-badge {
    margin-left: auto;
    background: var(--accent-primary-transparent);
    color: var(--accent-primary);
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-size: var(--font-xs);
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* ========== SEARCH ========== */
.player-sidebar-search {
    padding: var(--space-3) var(--space-4);
    position: relative;
    border-bottom: 1px solid var(--border-subtle);
}

.player-sidebar-search i {
    position: absolute;
    left: calc(var(--space-4) + 10px);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-xs);
    pointer-events: none;
}

.player-sidebar-search input {
    width: 100%;
    padding: var(--space-2) var(--space-3) var(--space-2) 34px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-sm);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
    outline: none;
}

.player-sidebar-search input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-transparent);
}

.player-sidebar-search input::placeholder {
    color: var(--text-muted);
}

/* ========== TAGS ========== */
.player-sidebar-tags {
    padding: var(--space-2) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    gap: var(--space-1);
    max-height: 80px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
}

.player-sidebar-tags::-webkit-scrollbar {
    display: none;
}

.player-sidebar-tags:empty {
    display: none;
}

.player-sidebar-tags .tag-chip {
    font-size: 0.6875rem;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    background: var(--bg-inset);
    color: var(--text-secondary);
    cursor: pointer;
    border: 1px solid var(--border-default);
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
    font-weight: 500;
}

.player-sidebar-tags .tag-chip:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: var(--bg-hover);
}

.player-sidebar-tags .tag-chip.active {
    background: var(--accent-primary-transparent);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    font-weight: 600;
}

/* ========== TREE ========== */
.player-sidebar-tree {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-2);
    scrollbar-width: thin;
    scrollbar-color: var(--border-default) transparent;
}

.player-sidebar-tree::-webkit-scrollbar {
    width: 5px;
}

.player-sidebar-tree::-webkit-scrollbar-track {
    background: transparent;
}

.player-sidebar-tree::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: var(--radius-pill);
}

.player-sidebar-tree::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}

/* Group headers */
.player-sidebar-group {
    padding: var(--space-2) var(--space-3);
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    user-select: none;
}

.player-sidebar-group:first-child {
    margin-top: 0;
}

.player-sidebar-group .folder-icon {
    color: var(--accent-warning);
    font-size: 0.625rem;
}

.player-sidebar-group .player-group-count {
    margin-left: auto;
    font-size: 0.625rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Player items */
.player-sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px var(--space-3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
    font-size: var(--font-sm);
    color: var(--text-primary);
    user-select: none;
}

.player-sidebar-item:hover {
    background: var(--bg-hover);
}

.player-sidebar-item.selected {
    background: var(--accent-primary-transparent);
    box-shadow: inset 2px 0 0 var(--accent-primary);
}

.player-sidebar-item input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--accent-primary);
    cursor: pointer;
    flex-shrink: 0;
    border-radius: var(--radius-xs);
}

/* Status dots */
.player-sidebar-item .status-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    background: var(--accent-danger);
    transition: box-shadow var(--transition-normal);
}

.player-sidebar-item .status-dot.online {
    background: var(--accent-success);
    box-shadow: 0 0 6px var(--accent-success);
}

.player-sidebar-item .status-dot.warning {
    background: var(--accent-warning);
    box-shadow: 0 0 6px var(--accent-warning);
}

.player-sidebar-item .status-dot.inactive {
    background: var(--text-muted);
    opacity: 0.35;
    box-shadow: none;
}

.player-sidebar-item .player-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

/* ========== FOOTER ========== */
.player-sidebar-footer {
    padding: var(--space-2) var(--space-4);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    background: var(--bg-surface);
}

.player-sidebar-footer .btn-link {
    background: none;
    border: none;
    color: var(--accent-primary);
    font-size: var(--font-xs);
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.player-sidebar-footer .btn-link:hover {
    background: var(--accent-primary-transparent);
    color: var(--accent-primary-hover);
}

/* ========== SELECTED PLAYERS CHIPS ========== */
.selected-players-chips {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.selected-players-chips::-webkit-scrollbar {
    display: none;
}

.selected-players-chips .chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 3px 10px;
    background: var(--accent-primary-transparent);
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-pill);
    font-size: var(--font-xs);
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    cursor: default;
}

.selected-players-chips .chip .chip-remove {
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    font-size: 0.625rem;
    margin-left: 2px;
}

.selected-players-chips .chip .chip-remove:hover {
    opacity: 1;
}

/* ========== EMPTY STATE ========== */
.player-sidebar-empty {
    padding: var(--space-8) var(--space-4);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-sm);
    line-height: 1.6;
}

.player-sidebar-empty i {
    display: block;
    font-size: var(--font-2xl);
    margin-bottom: var(--space-3);
    color: var(--accent-primary);
    opacity: 0.4;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1200px) {
    .player-sidebar {
        width: 240px;
        min-width: 240px;
    }
}

@media (max-width: 900px) {
    .player-view-layout {
        flex-direction: column;
    }

    .player-sidebar {
        width: 100%;
        min-width: unset;
        max-height: 280px;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }
}