/* ================================================================
 * DATEI: css/mobile.css
 * ZWECK: Mobile-spezifische Styles fuer das neue Layout
 *        (Bottom-Nav, Touch-Targets, Full-Width Modals, Player-View)
 * DESIGN: Refined Brass Studio -- warm charcoal + brass/gold accents
 * REFERENZIERT: css/variables.css (CSS Custom Properties)
 * REFERENZIERT VON: index.html
 * ================================================================ */

/* ========== CSS VARIABLEN (Mobile) ========== */
:root {
    --bottom-nav-height: 60px;
}

/* ========== BOTTOM NAVIGATION ========== */
/* Hidden by default -- visible only on mobile */
.bottom-nav {
    display: none;
}

/* ========== PLAYER VIEW: nur auf Mobile sichtbar ========== */
#view-players {
    display: none;
}

/* ========== MOBILE BREAKPOINT (< 900px) ========== */
@media (max-width: 900px) {

    /* ---------- Icon Rail: hidden on mobile ---------- */
    .icon-rail {
        display: none !important;
    }

    /* ---------- Status Bar: hidden on mobile ---------- */
    .status-bar {
        display: none !important;
    }

    /* ---------- Bottom Navigation Bar ---------- */
    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: var(--bottom-nav-height);
        background: var(--glass);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        border-top: 1px solid var(--glass-border);
        z-index: 200;
        padding: 0;
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    .bottom-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        background: none;
        border: none;
        color: var(--text-muted);
        font-size: 10px;
        font-weight: 500;
        cursor: pointer;
        transition: color var(--transition-fast);
        min-height: 44px;
        position: relative;
        -webkit-tap-highlight-color: transparent;
    }

    .bottom-nav-item i {
        font-size: 20px;
        line-height: 1;
        transition: transform var(--transition-fast);
    }

    .bottom-nav-item span {
        font-weight: 600;
        letter-spacing: 0.02em;
    }

    .bottom-nav-item.active {
        color: var(--accent-primary);
    }

    .bottom-nav-item.active i {
        transform: scale(1.1);
    }

    .bottom-nav-item.active::before {
        content: '';
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 28px;
        height: 2px;
        background: var(--accent-primary);
        border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    }

    .bottom-nav-item:active {
        opacity: 0.7;
        transform: scale(0.95);
    }

    /* ---------- App Container: account for bottom-nav ---------- */
    .app-container {
        height: calc(100vh - var(--bottom-nav-height));
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    /* ---------- Top Bar: simplified ---------- */
    .top-bar {
        height: var(--topbar-height);
    }

    .main-tabs {
        display: none;
    }

    .logo {
        font-size: var(--font-base);
    }

    .user-name {
        display: none;
    }

    /* ---------- Sidebar: hidden on mobile ---------- */
    .sidebar {
        display: none !important;
    }

    /* ---------- Main Content: full-width scroll ---------- */
    .main-content {
        margin-left: 0;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .content-views {
        overflow: visible;
        flex: none;
    }

    .view {
        overflow: visible;
    }

    .view.active {
        display: flex;
        overflow: visible;
        flex: none;
    }

    .tab-content.active {
        overflow: visible;
        flex: none;
    }

    /* ---------- Context Bar: compact ---------- */
    .context-bar {
        padding: var(--space-2) var(--space-3);
        gap: var(--space-2);
    }

    .breadcrumb {
        font-size: var(--font-xs);
    }

    /* ---------- Overlays: fullscreen ---------- */
    .player-overlay,
    .media-overlay {
        width: 100% !important;
        max-width: 100%;
    }

    .slide-over {
        width: 100% !important;
    }

    /* ---------- Content Tabs: horizontal scroll ---------- */
    .content-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap;
    }

    .content-tabs::-webkit-scrollbar {
        display: none;
    }

    .content-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* ==========================================================
     * Media Split View: folder chips + full-width grid
     * ========================================================== */
    .media-split-view {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }

    .media-folders-panel {
        width: 100%;
        min-width: 0;
        max-width: none;
        height: auto;
        resize: none;
        border-bottom: 1px solid var(--border-subtle);
        flex-shrink: 0;
    }

    .media-folders-panel .panel-header {
        display: none;
    }

    .media-folder-tree {
        display: flex;
        flex-direction: row;
        gap: var(--space-2);
        padding: var(--space-3);
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex: none;
    }

    .media-folder-tree::-webkit-scrollbar {
        display: none;
    }

    /* Folder items as chips */
    .folder-tree-item {
        flex-shrink: 0;
        white-space: nowrap;
        padding: var(--space-2) var(--space-3);
        border-radius: var(--radius-pill);
        background: var(--bg-inset);
        border: 1px solid var(--border-default);
        border-left: 1px solid var(--border-default);
        min-height: 36px;
        font-size: var(--font-sm);
        transition: all var(--transition-fast);
    }

    .folder-tree-item:hover {
        background: var(--bg-hover);
    }

    .folder-tree-item.selected {
        background: var(--accent-primary-transparent);
        border-color: var(--accent-primary);
        border-left-color: var(--accent-primary);
        color: var(--accent-primary);
        font-weight: 600;
    }

    .folder-tree-item .folder-toggle {
        display: none;
    }

    .folder-tree-item .folder-count {
        margin-left: var(--space-1);
    }

    .folder-tree-children {
        display: none;
    }

    /* Media browser: full width */
    .media-browser-panel {
        min-width: 0;
        overflow: visible;
        flex: none;
    }

    .media-grid-container {
        overflow: visible;
        flex: none;
    }

    /* Playlist panel: hidden on mobile */
    .playlist-drop-panel {
        display: none;
    }

    /* ---------- Media Grid ---------- */
    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .media-status-bar {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    /* ==========================================================
     * Player View (mobile-only page)
     * ========================================================== */
    #view-players.active {
        display: flex;
        flex-direction: column;
        overflow: visible;
        flex: none;
    }

    /* Player View Header */
    .players-view-header {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        padding: var(--space-3) var(--space-4);
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-subtle);
        flex-shrink: 0;
    }

    .players-view-header h2 {
        font-size: var(--font-lg);
        font-weight: 700;
        color: var(--text-primary);
        margin: 0;
        flex: 1;
    }

    .players-view-header h2 i {
        color: var(--accent-primary);
        margin-right: var(--space-2);
    }

    .players-back-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: none;
        border: none;
        color: var(--text-secondary);
        font-size: var(--font-lg);
        cursor: pointer;
        border-radius: var(--radius-md);
        transition: background var(--transition-fast);
        -webkit-tap-highlight-color: transparent;
    }

    .players-back-btn:active {
        background: var(--bg-hover);
    }

    /* Player Search */
    .players-view-search {
        padding: var(--space-3) var(--space-4);
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-subtle);
        flex-shrink: 0;
    }

    .players-view-search .search-box {
        width: 100%;
    }

    .players-view-search .search-box input {
        width: 100%;
    }

    /* ---------- Mobile Group List ---------- */
    .mobile-group-list {
        padding: var(--space-3) var(--space-4);
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
    }

    .mobile-group-card {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        padding: var(--space-4);
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        cursor: pointer;
        transition: all var(--transition-fast);
        min-height: 64px;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-group-card:active {
        background: var(--bg-hover);
        transform: scale(0.98);
    }

    .mobile-group-card-icon {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--accent-primary-transparent);
        border-radius: var(--radius-md);
        color: var(--accent-primary);
        font-size: var(--font-lg);
        flex-shrink: 0;
    }

    .mobile-group-card-info {
        flex: 1;
        min-width: 0;
    }

    .mobile-group-card-name {
        font-weight: 700;
        font-size: var(--font-base);
        color: var(--text-primary);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mobile-group-card-meta {
        font-size: var(--font-xs);
        color: var(--text-muted);
        margin-top: 3px;
    }

    .mobile-group-card-arrow {
        color: var(--text-muted);
        font-size: var(--font-sm);
        flex-shrink: 0;
    }

    .mobile-group-card-status {
        display: flex;
        gap: var(--space-1);
        flex-shrink: 0;
    }

    .mobile-status-dot {
        width: 8px;
        height: 8px;
        border-radius: var(--radius-full);
    }

    .mobile-status-dot.online { background: var(--accent-success); }
    .mobile-status-dot.offline { background: var(--accent-danger); }
    .mobile-status-dot.alert { background: var(--accent-warning); }

    /* ---------- Mobile Player List ---------- */
    .mobile-player-list {
        padding: var(--space-3) var(--space-4);
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
    }

    .mobile-player-card {
        display: flex;
        align-items: center;
        gap: var(--space-3);
        padding: var(--space-4);
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        cursor: pointer;
        transition: all var(--transition-fast);
        min-height: 64px;
        -webkit-tap-highlight-color: transparent;
    }

    .mobile-player-card:active {
        background: var(--bg-hover);
        transform: scale(0.98);
    }

    .mobile-player-status {
        width: 10px;
        height: 10px;
        border-radius: var(--radius-full);
        flex-shrink: 0;
    }

    .mobile-player-status.active { background: var(--accent-success); box-shadow: 0 0 6px var(--accent-success); }
    .mobile-player-status.offline { background: var(--accent-danger); }
    .mobile-player-status.alert { background: var(--accent-warning); box-shadow: 0 0 6px var(--accent-warning); }
    .mobile-player-status.inactive { background: var(--text-muted); opacity: 0.4; }

    .mobile-player-info {
        flex: 1;
        min-width: 0;
    }

    .mobile-player-name {
        font-weight: 700;
        font-size: var(--font-base);
        color: var(--text-primary);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mobile-player-detail {
        font-size: var(--font-xs);
        color: var(--text-muted);
        margin-top: 3px;
        display: flex;
        gap: var(--space-3);
    }

    .mobile-player-arrow {
        color: var(--text-muted);
        font-size: var(--font-sm);
        flex-shrink: 0;
    }

    /* ==========================================================
     * Reporting -- Player-Auswahl inline
     * ========================================================== */
    .reporting-layout {
        flex-direction: column;
        height: auto;
    }

    .reporting-sidebar {
        display: flex;
        width: 100%;
        height: auto;
        position: static;
        border-radius: 0;
        box-shadow: none;
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: column;
        padding: var(--space-3) var(--space-4);
        gap: var(--space-3);
    }

    .reporting-sidebar-header {
        font-size: var(--font-sm);
    }

    /* Tag-Filter: horizontal scroll */
    .reporting-sidebar .player-tag-filter {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: var(--space-2);
        align-items: center;
    }

    .reporting-sidebar .player-tag-filter::-webkit-scrollbar {
        display: none;
    }

    .reporting-sidebar .tag-filter-label {
        white-space: nowrap;
        flex-shrink: 0;
        font-size: var(--font-xs);
    }

    .reporting-sidebar .tag-filter-chips {
        display: flex;
        flex-wrap: nowrap;
        gap: var(--space-1);
        overflow-x: auto;
        scrollbar-width: none;
    }

    .reporting-sidebar .tag-filter-chips::-webkit-scrollbar {
        display: none;
    }

    /* Player-Selector: bottom-sheet */
    .player-selector-dropdown {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        height: 70vh;
        max-height: 70vh;
        z-index: 250;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        box-shadow: var(--shadow-xl);
        animation: slideUp var(--transition-slow) ease;
    }

    /* Selected players: horizontal scroll */
    .selected-players-chips {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: var(--space-2);
        padding: var(--space-2) 0;
    }

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

    .selected-players-chips .chip {
        flex-shrink: 0;
        white-space: nowrap;
    }

    /* Hide sidebar FAB */
    .reporting-sidebar-fab {
        display: none !important;
    }

    .reporting-toolbar {
        flex-wrap: wrap;
        padding: var(--space-3) var(--space-4);
    }

    .reporting-filters {
        flex-direction: column;
        gap: var(--space-3);
    }

    .date-range-picker {
        width: 100%;
    }

    .reporting-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .reporting-chart-panel {
        max-height: 250px;
    }

    /* ---------- Monitoring ---------- */
    .monitoring-header {
        padding: var(--space-3) var(--space-4);
        gap: var(--space-3);
        flex-shrink: 0;
    }

    .monitoring-stats {
        width: 100%;
        justify-content: space-between;
    }

    .stat-badge {
        flex: 1;
        min-width: auto;
        padding: var(--space-2) var(--space-3);
    }

    .stat-value {
        font-size: var(--font-lg);
    }

    .monitoring-toolbar {
        padding: var(--space-3) var(--space-4);
        flex-wrap: wrap;
        flex-shrink: 0;
    }

    .monitoring-list {
        padding: var(--space-3) var(--space-4);
    }

    .monitoring-item {
        flex-wrap: wrap;
    }

    /* ---------- Schedule View ---------- */
    .schedule-header {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .schedule-grid {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* ---------- Modals: full-width ---------- */
    .modal-content {
        width: 95%;
        max-width: 95%;
        max-height: 85vh;
    }

    .group-modal-content {
        width: 95%;
        max-width: 95%;
        max-height: 90vh;
    }

    /* ---------- Simplified Toolbars ---------- */
    .toolbar,
    .action-bar {
        flex-wrap: wrap;
        gap: var(--space-2);
        padding: var(--space-2) var(--space-3);
    }

    .toolbar .btn-text,
    .action-bar .btn-text {
        display: none;
    }

    /* ---------- Touch-Friendly Targets (min 44px) ---------- */
    .btn,
    .btn-icon,
    .content-tab,
    .tree-node,
    .monitoring-item,
    .context-menu-item {
        min-height: 44px;
    }

    .tree-node {
        padding: var(--space-3) var(--space-4);
    }

    .context-menu-item {
        padding: var(--space-3) var(--space-5);
        font-size: var(--font-base);
    }

    /* ---------- Toasts: above bottom-nav ---------- */
    .toast-container {
        bottom: calc(var(--bottom-nav-height) + var(--space-4) + env(safe-area-inset-bottom, 0px));
    }

    /* ---------- Animations ---------- */
    @keyframes slideUp {
        from {
            transform: translateY(100%);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }
}

/* ========== TABLET BREAKPOINT (900px - 1200px) ========== */
@media (min-width: 901px) and (max-width: 1200px) {

    .bottom-nav {
        display: none;
    }

    #view-players {
        display: none !important;
    }
}

/* ========== SMALL MOBILE (< 520px) ========== */
@media (max-width: 520px) {

    .monitoring-stats {
        flex-wrap: wrap;
    }

    .stat-badge {
        flex: 1 1 calc(50% - var(--space-2));
    }

    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .monitoring-item-status {
        width: 100%;
        justify-content: flex-end;
    }

    .reporting-toolbar {
        gap: var(--space-2);
    }

    .toggle-group {
        width: 100%;
    }

    /* Even smaller bottom nav labels */
    .bottom-nav-item span {
        font-size: 9px;
    }
}

/* ========== DESKTOP: hide mobile-only elements ========== */
@media (min-width: 901px) {

    .sidebar-backdrop,
    .mobile-menu-btn {
        display: none;
    }

    #view-players {
        display: none !important;
    }
}