/* Device Manager - Full-page device-to-room assignment */

.dm-page {
    min-height: 100vh;
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Header */
.dm-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.dm-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.dm-header-left h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.dm-header .back-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
}

.dm-header .back-link:hover {
    text-decoration: underline;
}

.dm-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.dm-status.saved {
    color: #27ae60;
}

.dm-user-switcher select {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 13px;
}

/* Layout */
.dm-layout {
    display: flex;
    height: calc(100vh - 57px);
}

/* Sidebar */
.dm-sidebar {
    width: 220px;
    min-width: 220px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.dm-sidebar-header {
    padding: 16px 16px 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.dm-room-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 8px;
}

.dm-room-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    margin: 2px 0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.15s;
    user-select: none;
}

.dm-room-item:hover {
    background: var(--bg-hover-active);
}

.dm-room-item.active {
    background: var(--accent);
    color: #fff;
}

.dm-room-item.active .dm-room-count {
    color: rgba(255, 255, 255, 0.8);
}

.dm-room-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dm-room-count {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 8px;
    flex-shrink: 0;
}

.dm-room-actions {
    display: none;
    gap: 4px;
    margin-left: 4px;
}

.dm-room-item:hover .dm-room-actions,
.dm-room-item.active .dm-room-actions {
    display: flex;
}

.dm-room-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 4px;
    font-size: 12px;
    color: inherit;
    opacity: 0.6;
    border-radius: 4px;
}

.dm-room-action-btn:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

.dm-room-item.active .dm-room-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.dm-room-promote {
    font-size: 11px;
    cursor: pointer;
}

.dm-sidebar-actions {
    padding: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dm-sidebar-actions .btn {
    width: 100%;
    text-align: center;
}

/* Main content */
.dm-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Toolbar */
.dm-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.dm-search {
    flex: 1;
    min-width: 200px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
}

.dm-search:focus {
    outline: none;
    border-color: var(--accent);
}

.dm-bulk-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--accent);
    border-radius: 8px;
    color: #fff;
    font-size: 13px;
}

.dm-bulk-actions .btn {
    padding: 4px 12px;
    font-size: 12px;
}

.dm-move-select {
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 13px;
}

.dm-move-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* Device list */
.dm-device-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}

.dm-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    margin-top: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.dm-section-header:first-child {
    margin-top: 0;
}

.dm-section-count {
    font-weight: 400;
    color: var(--text-secondary);
    opacity: 0.7;
}

.dm-device-group {
    min-height: 40px;
    padding: 4px 0;
}

/* Device row */
.dm-device-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    margin: 2px 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: background 0.1s, box-shadow 0.1s;
}

.dm-device-row:hover {
    background: var(--bg-hover-active);
}

.dm-device-row.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.dm-device-row.sortable-ghost {
    opacity: 0.4;
    background: var(--accent);
}

.dm-device-row.sortable-chosen {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dm-drag-handle {
    cursor: grab;
    color: var(--text-secondary);
    font-size: 16px;
    padding: 2px;
    flex-shrink: 0;
}

.dm-drag-handle:active {
    cursor: grabbing;
}

.dm-device-checkbox {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent);
}

.dm-device-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.dm-device-type {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    flex-shrink: 0;
}

.dm-device-type.tuya {
    background: #e8f5e9;
    color: #2e7d32;
}

[data-theme="dark"] .dm-device-type.tuya {
    background: #1b3a1b;
    color: #66bb6a;
}

.dm-device-room-select {
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 12px;
    flex-shrink: 0;
    max-width: 140px;
}

/* Rename button (pencil icon, always subtly visible, brighter on hover) */
.dm-rename-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 5px;
    font-size: 13px;
    color: var(--text-secondary);
    opacity: 0.5;
    border-radius: 4px;
    flex-shrink: 0;
    transition: opacity 0.15s, background 0.15s;
}

.dm-device-row:hover .dm-rename-btn {
    opacity: 0.7;
}

.dm-device-row:hover .dm-rename-btn:hover {
    opacity: 1;
    background: var(--bg-secondary);
}

/* Device name overridden indicator (italic + accent color) */
.dm-name-overridden {
    font-style: italic;
    color: var(--accent);
}

/* Inline rename input */
.dm-device-name-input {
    flex: 1;
    padding: 2px 6px;
    border: 1px solid var(--accent);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    outline: none;
    min-width: 0;
}

/* Empty state */
.dm-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .dm-layout {
        flex-direction: column;
        height: auto;
    }

    .dm-sidebar {
        width: 100%;
        min-width: unset;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .dm-room-list {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        padding: 8px;
    }

    .dm-room-item {
        padding: 6px 12px;
        font-size: 13px;
    }

    .dm-main {
        min-height: 60vh;
    }
}