/* Virtual keyboard */
.vkb-container {
    display: none;
    position: fixed;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 10px;
    z-index: 100;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    max-width: 95vw;
    max-height: 45vh;
    overflow-y: auto;
    min-width: 250px;
    min-height: 200px;
    touch-action: none;
}
.vkb-container.open { display: block; }
.vkb-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
    flex-wrap: wrap;
    border-bottom: 1px solid #eee;
    padding-bottom: 6px;
    cursor: grab;
    user-select: none;
}
.vkb-tabs:active { cursor: grabbing; }
.vkb-tab {
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82rem;
    background: #f0f0f0;
    border: none;
    color: #555;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.vkb-tab.active { background: #4a90d9; color: #fff; }
.vkb-tab-close {
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    background: #f0f0f0;
    border: none;
    color: #999;
    min-height: 32px;
    min-width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}
.vkb-tab-close:hover { background: #ff6b6b; color: #fff; }
.vkb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
    gap: 4px;
}
.vkb-key {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.1s;
}
.vkb-key:hover { background: #e0e8f0; }
.vkb-key:active { background: #4a90d9; color: #fff; }
.vkb-key.wide { grid-column: span 2; font-size: 0.8rem; }
#vkb-toggle {
    background: none;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 2px 6px;
    line-height: 1;
    transition: background 0.15s, border-color 0.15s;
    min-height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#vkb-toggle:hover { background: #f0f0f0; }
#vkb-toggle.active { background: #4a90d9; border-color: #4a90d9; }
/* Flag & layout selector buttons */
.vkb-flag-btn, .vkb-layout-btn {
    min-width: 38px !important;
    font-size: 1.1rem !important;
    background: #e8f0fe !important;
    border: 1px solid #c0d4f0 !important;
}
.vkb-layout-btn {
    font-size: 0.75rem !important;
    padding: 2px 6px !important;
    background: #f0e8fe !important;
    border-color: #d0c0f0 !important;
}

/* Page navigation */
.vkb-page-btn {
    min-width: 28px !important;
    min-height: 28px !important;
    font-size: 1.1rem !important;
    padding: 0 6px !important;
}
.vkb-page-indicator {
    font-size: 0.7rem;
    color: #888;
    display: flex;
    align-items: center;
    padding: 0 4px;
    white-space: nowrap;
}

/* Popup menus */
.vkb-popup-menu {
    position: absolute;
    top: 44px;
    left: 8px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    z-index: 200;
    max-height: 60vh;
    overflow-y: auto;
    padding: 4px;
    min-width: 140px;
}
.vkb-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.9rem;
    border-radius: 8px;
    text-align: left;
    color: #333;
}
.vkb-menu-item:hover { background: #f0f0f0; }
.vkb-menu-item.active { background: #e0ecfa; font-weight: 600; }

.vkb-page-btn:disabled {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}
/* Resize handle */
.vkb-resize-handle {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 28px;
    height: 28px;
    cursor: nwse-resize;
    touch-action: none;
}
.vkb-resize-handle::before {
    content: '';
    position: absolute;
    bottom: 6px;
    right: 6px;
    width: 12px;
    height: 12px;
    border-right: 2px solid #bbb;
    border-bottom: 2px solid #bbb;
}