:root {
    /* Colors - Dark Theme */
    --bg-app: #0f1115;
    --bg-card: #161b22;
    --bg-card-header: #1f242d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #586069;

    /* Status Colors */
    --status-off-bg: #21262d;
    --status-off-text: #484f58;

    --status-wip-bg: #322500;
    --status-wip-text: #d29922;
    --status-wip-border: #9e6a03;

    --status-live-bg: #0f2d18;
    --status-live-text: #3fb950;
    --status-live-border: #238636;

    --status-issue-bg: #380e0e;
    --status-issue-text: #f85149;
    --status-issue-border: #da3633;

    --status-blue-bg: #0d2d4a;
    --status-blue-text: #58a6ff;
    --status-blue-border: #1f6feb;

    /* Spacing & Layout */
    --gap-grid: 0.75rem;
    --gap-card: 0.5rem;
    --pad-card: 0.75rem;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-main);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    /* No scroll strictly enforced */
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    height: 50px;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.logo h1 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-right: 0.5rem;
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Controls */
.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-main);
    transition: all 0.2s;
}

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

.btn.primary {
    border-color: var(--status-live-border);
    color: var(--status-live-text);
}

.btn.primary:hover:not(:disabled) {
    background: var(--status-live-bg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

/* Toggle Switch */
.mode-toggle {
    position: relative;
    display: inline-block;
}

.mode-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-label {
    display: flex;
    align-items: center;
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2px;
    cursor: pointer;
    position: relative;
    width: 90px;
    height: 24px;
    justify-content: space-between;
}

.mode-text {
    font-size: 0.65rem;
    font-weight: 600;
    z-index: 2;
    padding: 0 8px;
    transition: color 0.3s;
    user-select: none;
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 42px;
    height: 18px;
    border-radius: 16px;
    background-color: var(--status-off-text);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.3s;
    z-index: 1;
}

/* Toggled Logic */
#editModeToggle:checked+.toggle-label .toggle-slider {
    transform: translateX(42px);
    background-color: var(--status-wip-text);
}

#editModeToggle:not(:checked)+.toggle-label .edit {
    color: var(--text-secondary);
}

#editModeToggle:checked+.toggle-label .view {
    color: var(--text-secondary);
}

#editModeToggle:checked+.toggle-label .edit {
    color: #000;
}

#editModeToggle:not(:checked)+.toggle-label .view {
    color: #fff;
}


/* Main Grid */
.dashboard-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: var(--gap-grid);
    padding: var(--gap-grid);
    height: calc(100vh - 50px);
    overflow: hidden;
}

/* Base Card */
.base-card {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-card);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    padding: 0;
}

.base-header {
    background-color: var(--bg-card-header);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    height: 36px;
}

.base-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    overflow: hidden;
    flex: 1;
    min-width: 0;
}

.base-id-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-mono);
    white-space: nowrap;
    flex-shrink: 0;
}

.base-id-link:hover {
    color: var(--status-live-text);
}

.base-domain-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.65rem;
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;
    min-width: 0;
}

.base-domain-link:hover {
    color: var(--status-live-text);
}

.base-id-muted {
    font-family: var(--font-mono);
    font-size: 0.7em;
    color: var(--text-muted);
    font-weight: 400;
    opacity: 0.8;
}

/* Button Tweaks */
.btn.icon-only {
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn.icon-only-small {
    padding: 0;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
}

.btn.danger {
    border-color: var(--status-issue-border);
    color: var(--status-issue-text);
}

.btn.danger:hover {
    background: var(--status-issue-bg);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.2s;
    backdrop-filter: blur(2px);
}

.modal-overlay.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 400px;
    max-width: 90%;
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    position: relative;
    margin: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

select {
    width: 100%;
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 4px;
    font-family: var(--font-main);
}

select:focus {
    outline: none;
    border-color: var(--status-live-border);
}

.separator {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 0.5rem 0;
}

.config-zone,
.danger-zone {
    background: rgba(0, 0, 0, 0.1);
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.config-zone button,
.danger-zone button {
    width: 100%;
}

.description {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
}

.base-stats {
    display: flex;
    gap: 0.75rem;
    font-size: 0.7rem;
    font-family: var(--font-mono);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.stat-dot.live {
    background-color: var(--status-live-text);
}

.stat-dot.wip {
    background-color: var(--status-wip-text);
}

.stat-dot.issue {
    background-color: var(--status-issue-text);
}

.stat-dot.blue {
    background-color: var(--status-blue-text);
}

/* User Count - Clickable */
.user-count-item {
    cursor: pointer;
    user-select: none;
    transition: all 0.2s;
}

.user-count-item:hover {
    color: var(--status-live-text);
    transform: scale(1.1);
}

.user-count-item:active {
    transform: scale(0.95);
}

/* Entities Grid */
.base-content {
    flex: 1;
    padding: var(--pad-card);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    grid-auto-rows: min-content;
    gap: 4px;
    align-content: start;
    overflow-y: auto;
    /* Internal scroll only if absolutely needed */
}

/* Scrollbar styling */
.base-content::-webkit-scrollbar {
    width: 6px;
}

.base-content::-webkit-scrollbar-track {
    background: transparent;
}

.base-content::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

/* Chip Styles */
.entity-chip {
    font-size: 0.65rem;
    padding: 3px 6px;
    border-radius: 3px;
    background-color: var(--status-off-bg);
    color: var(--status-off-text);
    border: 1px solid transparent;
    cursor: default;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
    transition: all 0.1s ease;
    user-select: none;
    line-height: 1.2;
}

/* Styles by Status */
.entity-chip[data-status="live"] {
    background-color: var(--status-live-bg);
    color: var(--status-live-text);
    border-color: rgba(35, 134, 54, 0.3);
}

.entity-chip[data-status="wip"] {
    background-color: var(--status-wip-bg);
    color: var(--status-wip-text);
    border-color: rgba(158, 106, 3, 0.3);
}

.entity-chip[data-status="issue"] {
    background-color: var(--status-issue-bg);
    color: var(--status-issue-text);
    border-color: rgba(218, 54, 51, 0.3);
}

.entity-chip[data-status="off"] {
    background-color: var(--status-off-bg);
    color: var(--text-muted);
}

.entity-chip[data-status="blue"] {
    background-color: var(--status-blue-bg);
    color: var(--status-blue-text);
    border-color: rgba(31, 111, 235, 0.3);
}

/* View Mode hover - clickable link effect */
body:not(.edit-mode) .entity-chip {
    cursor: pointer;
}

body:not(.edit-mode) .entity-chip:hover {
    filter: brightness(1.15);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    border-color: var(--status-live-border);
    opacity: 0.9;
}

/* Edit Mode styling */
body.edit-mode .entity-chip {
    cursor: pointer;
}

body.edit-mode .entity-chip:hover {
    filter: brightness(1.2);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Group Headers (for Grouped sort mode) */
.group-divider {
    grid-column: 1 / -1;
    margin: 0.75rem 0 0.25rem 0;
    border: 0;
    border-top: 1px solid var(--border-color);
}

.group-label {
    grid-column: 1 / -1;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0;
    margin-top: 0.5rem;
}

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

/* Responsive - Tablet (2x4) */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, 1fr);
    }
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--status-live-bg);
    color: var(--status-live-text);
    padding: 10px 20px;
    border: 1px solid var(--status-live-border);
    border-radius: 4px;
    font-size: 0.8rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive - Mobile landscape or small laptop */
@media (max-width: 768px) {
    body {
        height: auto;
        overflow-y: auto;
    }

    .dashboard-grid {
        display: flex;
        flex-direction: column;
        height: auto;
    }

    .base-card {
        min-height: 250px;
    }

    .app-header {
        position: sticky;
        top: 0;
        z-index: 100;
        border-bottom: 2px solid var(--border-color);
    }
}