/* ============================================================================
   RefWeb Collaborative Visual Workspace — Stylesheet (assets/css/app.css)
   Modern SaaS Design System (Miro / FigJam inspired usability)
   ============================================================================ */

:root {
    --bg-app: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-subtle: #F1F5F9;
    --bg-canvas: #F4F5F7;

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;

    --accent: #4F46E5;
    --accent-hover: #4338CA;
    --accent-soft: #EEF2FF;
    --accent-border: #C7D2FE;

    --danger: #DC2626;
    --danger-soft: #FEF2F2;
    --success: #16A34A;
    --success-soft: #DCFCE7;
    --warning: #D97706;
    --warning-soft: #FEF3C7;

    --border-color: #E2E8F0;
    --border-strong: #CBD5E1;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 2px 6px -1px rgba(15, 23, 42, 0.07), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 6px 16px -3px rgba(15, 23, 42, 0.09), 0 2px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 14px 30px -6px rgba(15, 23, 42, 0.14), 0 4px 10px -3px rgba(15, 23, 42, 0.06);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-app);
    -webkit-font-smoothing: antialiased;
}

.hidden {
    display: none !important;
}

/* ============================================================================
   1. BUTTONS, INPUTS & COMMON UI CONTROLS
   ============================================================================ */

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 15px;
    font-weight: 500;
    font-size: 13.5px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.14s ease, border-color 0.14s ease, color 0.14s ease, box-shadow 0.14s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--accent);
    color: #FFFFFF;
    box-shadow: var(--shadow-xs);
}
.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-xs);
}
.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-subtle);
    border-color: var(--border-strong);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover:not(:disabled) {
    background-color: var(--bg-subtle);
    color: var(--text-primary);
}

.btn-danger {
    background-color: var(--danger);
    color: #FFFFFF;
}
.btn-danger:hover:not(:disabled) {
    background-color: #B91C1C;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12.5px;
}

.btn-block {
    width: 100%;
    padding: 10px 16px;
    font-size: 14px;
}

.text-danger {
    color: var(--danger) !important;
}

.icon-btn, .icon-btn-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease;
}
.icon-btn {
    width: 32px;
    height: 32px;
}
.icon-btn-sm {
    width: 24px;
    height: 24px;
}
.icon-btn:hover:not(:disabled), .icon-btn-sm:hover:not(:disabled) {
    background-color: var(--bg-subtle);
    color: var(--text-primary);
}
.icon-btn:disabled {
    opacity: 0.38;
    cursor: default;
}

.form-group {
    margin-bottom: 14px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 5px;
}
.form-group .req {
    color: var(--danger);
}
.form-hint {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 8px 11px;
    font-size: 13.5px;
    color: var(--text-primary);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.14);
}

.alert {
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}
.alert strong {
    display: block;
    margin-bottom: 2px;
}
.alert p {
    margin: 0;
}
.alert-info {
    background-color: var(--accent-soft);
    border-color: var(--accent-border);
    color: #312E81;
}
.alert-warning {
    background-color: var(--warning-soft);
    border-color: #FDE68A;
    color: #78350F;
}
.alert-danger {
    background-color: var(--danger-soft);
    border-color: #FECACA;
    color: #991B1B;
}
.alert-sm {
    font-size: 12.5px;
    padding: 9px 12px;
}

/* ============================================================================
   2. AUTHENTICATION & SETUP VIEW
   ============================================================================ */

.full-screen-center {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: radial-gradient(circle at 50% 0%, #EEF2FF 0%, #F8FAFC 65%);
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 30px;
    box-shadow: var(--shadow-md);
}

.diagnostic-card {
    max-width: 540px;
}

.brand-header {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-bottom: 22px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--accent);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.brand-header h1 {
    font-size: 19px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
}

.brand-header .subtitle {
    margin: 2px 0 0;
    font-size: 12.5px;
    color: var(--text-muted);
}

.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg-subtle);
    padding: 4px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
}

.auth-tab {
    padding: 7px 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.14s ease;
}

.auth-tab.active {
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: var(--shadow-xs);
}

.setup-steps {
    background: var(--bg-subtle);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 18px;
}
.setup-steps h3 {
    margin: 0 0 8px;
    font-size: 13.5px;
}
.setup-steps ol {
    margin: 0;
    padding-left: 18px;
    font-size: 13px;
    color: var(--text-secondary);
}
.setup-steps li {
    margin-bottom: 6px;
}
.setup-steps code {
    font-family: var(--font-mono);
    font-size: 12px;
    background: #E2E8F0;
    padding: 1px 5px;
    border-radius: 4px;
}

/* ============================================================================
   3. WORKSPACE OVERVIEW DASHBOARD
   ============================================================================ */

.dashboard-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

.dashboard-sidebar {
    width: 260px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-brand {
    height: 58px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo-sm {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    background: var(--accent);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-title {
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.01em;
}

.sidebar-section {
    padding: 14px 12px 6px;
}

.sidebar-projects-section {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    margin-bottom: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.sidebar-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    margin-bottom: 2px;
    transition: background-color 0.12s ease, color 0.12s ease;
}

.sidebar-item:hover {
    background-color: var(--bg-subtle);
    color: var(--text-primary);
}

.sidebar-item.active {
    background-color: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

.sidebar-item .item-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}

.badge-pill {
    margin-left: auto;
    font-size: 11px;
    font-weight: 600;
    padding: 1px 7px;
    border-radius: 999px;
    background: var(--bg-subtle);
    color: var(--text-muted);
}
.badge-accent {
    background: var(--accent-soft);
    color: var(--accent);
}

.sidebar-footer {
    padding: 12px 14px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 9px;
    min-width: 0;
}

.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: #FFFFFF;
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.user-chip-info {
    min-width: 0;
}
.user-chip-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.user-chip-role {
    font-size: 11.5px;
    color: var(--text-muted);
    text-transform: capitalize;
}

.dashboard-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: var(--bg-app);
}

.dashboard-topbar {
    padding: 24px 32px 20px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.project-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dashboard-title-group h2 {
    margin: 0;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.dashboard-subtitle {
    margin: 4px 0 0;
    color: var(--text-muted);
    font-size: 13.5px;
}

.dashboard-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-input-wrap {
    position: relative;
    width: 240px;
}
.search-input-wrap svg {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}
.search-input-wrap input {
    padding-left: 32px;
}

.boards-grid-section {
    padding: 28px 32px;
    flex: 1;
}

.boards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.board-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.14s ease, box-shadow 0.14s ease, border-color 0.14s ease;
    cursor: pointer;
    box-shadow: var(--shadow-xs);
}

.board-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-border);
}

.board-card-preview {
    height: 120px;
    background-color: #F8FAFC;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.board-card-preview.preview-dots {
    background-image: radial-gradient(#CBD5E1 1.25px, transparent 1.25px);
    background-size: 16px 16px;
}
.board-card-preview.preview-lines {
    background-image:
        linear-gradient(to right, #E2E8F0 1px, transparent 1px),
        linear-gradient(to bottom, #E2E8F0 1px, transparent 1px);
    background-size: 20px 20px;
}

.board-card-mini-shapes {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: auto;
    opacity: 0.85;
}
.mini-sticky {
    width: 34px;
    height: 28px;
    border-radius: 4px;
    background: #FEF3C7;
    border: 1px solid #FDE68A;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.mini-card {
    width: 46px;
    height: 28px;
    border-radius: 4px;
    background: #FFFFFF;
    border: 1px solid #CBD5E1;
    border-top: 3px solid var(--accent);
}
.mini-table {
    width: 40px;
    height: 28px;
    border-radius: 4px;
    background: #EEF2FF;
    border: 1px solid #C7D2FE;
}

.board-card-body {
    padding: 14px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.board-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px;
}

.board-card-desc {
    font-size: 12.5px;
    color: var(--text-muted);
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.board-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid var(--bg-subtle);
    font-size: 12px;
    color: var(--text-muted);
}

.board-card-actions {
    display: flex;
    gap: 2px;
}

.empty-state-box {
    grid-column: 1 / -1;
    text-align: center;
    padding: 56px 24px;
    background: var(--bg-surface);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}
.empty-state-box h3 {
    margin: 10px 0 6px;
    font-size: 16px;
    color: var(--text-primary);
}
.empty-state-box p {
    margin: 0 0 16px;
    font-size: 13.5px;
    color: var(--text-muted);
}

/* ============================================================================
   4. INFINITE CANVAS WORKSPACE VIEW
   ============================================================================ */

.board-workspace {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: var(--bg-canvas);
    display: flex;
    flex-direction: column;
}

/* Top Navigation Bar on Canvas */
.canvas-topbar {
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 200;
    box-shadow: var(--shadow-xs);
}

.canvas-topbar-left,
.canvas-topbar-center,
.canvas-topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 4px;
}

.project-pill {
    font-size: 12px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--bg-subtle);
    color: var(--text-secondary);
}

.breadcrumb-sep {
    color: var(--text-muted);
    font-size: 13px;
}

.board-title-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.board-title-btn:hover {
    background: var(--bg-subtle);
    border-color: var(--border-color);
}

/* Save Status Pill */
.save-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: var(--bg-subtle);
    color: var(--text-secondary);
    cursor: pointer;
}
.save-status-pill .status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
}
.save-status-pill.saving .status-dot {
    background: var(--warning);
    animation: pulseDot 1s infinite alternate;
}
.save-status-pill.dirty .status-dot {
    background: #3B82F6;
}
.save-status-pill.error {
    background: var(--danger-soft);
    color: var(--danger);
}
.save-status-pill.error .status-dot {
    background: var(--danger);
}

@keyframes pulseDot {
    from { opacity: 0.4; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1.15); }
}

/* Collaborator Avatars Stack */
.collaborators-stack {
    display: flex;
    align-items: center;
    margin-right: 4px;
}
.collab-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: #FFFFFF;
    font-size: 11.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #FFFFFF;
    margin-left: -6px;
    box-shadow: var(--shadow-xs);
}
.collab-avatar:first-child {
    margin-left: 0;
}

/* Left Vertical Floating Creation Toolbar */
.canvas-toolbar {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-md);
    z-index: 190;
}

.tool-btn {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.12s ease;
}

.tool-btn:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

.tool-btn.active {
    background: var(--accent);
    color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(79, 70, 229, 0.3);
}

.toolbar-sep {
    height: 1px;
    background: var(--border-color);
    margin: 3px 4px;
}

/* Tool Placement Banner */
.tool-mode-banner {
    position: absolute;
    top: 62px;
    left: 50%;
    transform: translateX(-50%);
    background: #1E293B;
    color: #FFFFFF;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    z-index: 195;
}

.btn-inline-cancel {
    background: rgba(255, 255, 255, 0.16);
    color: #FFFFFF;
    border: none;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11.5px;
    cursor: pointer;
}
.btn-inline-cancel:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* Floating Context Inspector Toolbar — Strictly Single Row with Smooth Scroll */
.context-toolbar {
    position: absolute;
    top: 56px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3px 5px;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 2px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.11), 0 1px 3px rgba(15, 23, 42, 0.07);
    z-index: 192;
    flex-wrap: nowrap !important;
    white-space: nowrap;
    width: auto !important;
    max-width: min(calc(100vw - 88px), 1080px);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}
.context-toolbar > * {
    flex: 0 0 auto !important;
    width: auto !important;
}
.context-toolbar::-webkit-scrollbar {
    height: 3px;
}
.context-toolbar::-webkit-scrollbar-track {
    background: transparent;
}
.context-toolbar::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.4);
    border-radius: 3px;
}

.ctx-btn {
    width: auto !important;
    height: 24px;
    padding: 0 6px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    white-space: nowrap;
    flex: 0 0 auto !important;
}
.ctx-btn:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}
.ctx-btn.active {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent-border);
}
.ctx-btn.danger:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.ctx-sep {
    width: 1px !important;
    min-width: 1px !important;
    height: 14px;
    background: var(--border-color);
    margin: 0 2px;
    flex: 0 0 1px !important;
}

.ctx-swatch {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid rgba(15, 23, 42, 0.18);
    cursor: pointer;
    padding: 0;
    transition: transform 0.1s ease;
    flex-shrink: 0;
}
.ctx-swatch:hover {
    transform: scale(1.15);
}
.ctx-swatch.active {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

/* Compact Color Picker Button & Floating Popover */
.ctx-color-picker-btn {
    width: auto !important;
    height: 24px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 0 5px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-primary);
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s;
    user-select: none;
    flex: 0 0 auto !important;
    white-space: nowrap;
}
.ctx-color-picker-btn:hover {
    background: var(--bg-subtle);
    border-color: var(--border-strong);
}
.ctx-color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1.5px solid rgba(15, 23, 42, 0.2);
    display: inline-block;
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
.ctx-color-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}
.ctx-color-arrow {
    font-size: 8px;
    color: var(--text-muted);
}

.ctx-palette-popover {
    position: fixed;
    background: #FFFFFF;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    box-shadow: 0 10px 25px -4px rgba(15, 23, 42, 0.22), 0 4px 10px rgba(15, 23, 42, 0.08);
    padding: 8px;
    display: grid;
    grid-template-columns: repeat(4, 28px);
    gap: 6px;
    z-index: 99999;
}
.ctx-palette-swatch {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1.5px solid rgba(15, 23, 42, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #FFFFFF;
    transition: transform 0.1s, box-shadow 0.1s;
    text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}
.ctx-palette-swatch:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.ctx-palette-swatch.active {
    box-shadow: 0 0 0 2px #4F46E5;
}

/* Infinite Canvas Viewport & World */
.canvas-viewport {
    flex: 1;
    position: relative;
    width: 100%;
    height: calc(100vh - 50px);
    overflow: hidden;
    touch-action: none;
    user-select: none;
    outline: none;
    cursor: default;
}

.canvas-viewport.grid-dots {
    background-color: #F4F5F7;
    background-image: radial-gradient(#CBD5E1 1.35px, transparent 1.35px);
    background-size: 24px 24px;
}

.canvas-viewport.grid-lines {
    background-color: #F4F5F7;
    background-image:
        linear-gradient(to right, #E2E8F0 1px, transparent 1px),
        linear-gradient(to bottom, #E2E8F0 1px, transparent 1px);
    background-size: 24px 24px;
}

.canvas-viewport.grid-blank {
    background-color: #F4F5F7;
    background-image: none;
}

.canvas-viewport.panning {
    cursor: grabbing !important;
}
.canvas-viewport.tool-pan {
    cursor: grab;
}
.canvas-viewport.tool-place {
    cursor: crosshair;
}

.canvas-world {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    transform-origin: 0 0;
}

/* Connectors SVG Layer — geometricPrecision prevents blurry raster caching on zoom */
.connectors-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    overflow: visible;
    pointer-events: none;
    z-index: 40;
    shape-rendering: geometricPrecision;
    text-rendering: geometricPrecision;
}

.connector-group {
    pointer-events: stroke;
    cursor: pointer;
}

.connector-hit-path {
    fill: none;
    stroke: transparent;
    stroke-width: 16px;
    pointer-events: stroke;
}

.connector-visible-path {
    fill: none;
    transition: filter 0.1s ease;
}

.connector-group.selected .connector-visible-path {
    filter: drop-shadow(0 0 4px rgba(79, 70, 229, 0.55));
}

.connector-label-bg {
    fill: #FFFFFF;
    stroke: #CBD5E1;
    stroke-width: 1px;
    rx: 4px;
}

.connector-label-text {
    font-family: var(--font-sans);
    font-size: 11.5px;
    font-weight: 500;
    fill: #1E293B;
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: all;
    cursor: pointer;
}

.connector-endpoint-handle {
    fill: #FFFFFF;
    stroke: var(--accent);
    stroke-width: 2.5px;
    cursor: grab;
    pointer-events: all;
    transition: r 0.12s ease, fill 0.12s ease;
}
.connector-endpoint-handle:hover {
    fill: var(--accent);
}
.connector-endpoint-hit {
    fill: transparent;
    stroke: transparent;
    cursor: grab;
    pointer-events: all;
}

/* Objects Layer */
.objects-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
}

/* ============================================================================
   5. SPATIAL CANVAS OBJECTS (Sticky, Text Card, Image, Table, Frame, Shape)
   ============================================================================ */

.canvas-object {
    position: absolute;
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    transition: box-shadow 0.12s ease;
    cursor: grab;
    user-select: none;
}

.canvas-object:active {
    cursor: grabbing;
}

.canvas-object.selected {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.canvas-object.locked {
    cursor: default;
}
.canvas-object.locked.selected {
    outline: 2px dashed #64748B;
}

.obj-lock-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #334155;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    box-shadow: var(--shadow-xs);
    pointer-events: none;
    z-index: 5;
}

/* Resize Handles (4 corners) — Placed outside object bounds with generous 30x30px hitbox */
.resize-handle {
    position: absolute;
    width: 14px;
    height: 14px;
    background: #FFFFFF;
    border: 2.5px solid var(--accent);
    border-radius: 3px;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.25);
    z-index: 30;
    display: none;
    touch-action: none;
}
.resize-handle::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
}
.resize-handle:hover {
    background: var(--accent);
    transform: scale(1.18);
}
.canvas-object.selected:not(.locked) .resize-handle {
    display: block;
}
.resize-handle.nw { top: -8px; left: -8px; cursor: nwse-resize; }
.resize-handle.ne { top: -8px; right: -8px; cursor: nesw-resize; }
.resize-handle.sw { bottom: -8px; left: -8px; cursor: nesw-resize; }
.resize-handle.se { bottom: -8px; right: -8px; cursor: nwse-resize; }

/* Connector Anchor Dots (4 sides) — Positioned well outside the card so they never overlap titles or corners */
.anchor-dot {
    position: absolute;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 2.2px solid var(--accent);
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.2);
    z-index: 28;
    opacity: 0;
    transition: opacity 0.12s ease, transform 0.12s ease, background-color 0.12s ease;
    cursor: crosshair;
    touch-action: none;
}
.anchor-dot::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
}
.canvas-object:hover .anchor-dot,
.canvas-object.selected .anchor-dot,
.canvas-viewport.tool-connector .canvas-object .anchor-dot,
.canvas-viewport.reconnecting-arrow .canvas-object .anchor-dot {
    opacity: 1;
}
.anchor-dot:hover,
.anchor-dot.snap-target {
    background: var(--accent);
    transform: scale(1.38);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.25);
}
.anchor-dot.top    { top: -18px; left: calc(50% - 6.5px); }
.anchor-dot.right  { right: -18px; top: calc(50% - 6.5px); }
.anchor-dot.bottom { bottom: -18px; left: calc(50% - 6.5px); }
.anchor-dot.left   { left: -18px; top: calc(50% - 6.5px); }

/* A. Sticky Note */
.obj-sticky {
    padding: 14px 15px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.09), 0 1px 2px rgba(15, 23, 42, 0.05);
    border-radius: 6px;
    overflow: visible;
}

.sticky-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    gap: 6px;
}

.sticky-title {
    font-weight: 700;
    font-size: 13px;
    color: rgba(15, 23, 42, 0.85);
    outline: none;
    flex: 1;
    min-width: 0;
}

.sticky-body {
    flex: 1;
    font-size: 14.5px;
    line-height: 1.45;
    color: #0F172A;
    outline: none;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-y: auto;
}

/* B. Text Card — overflow: visible on outer box so handles & anchors are never clipped */
.obj-text {
    background: #FFFFFF;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-sm);
    border-radius: 8px;
    overflow: visible;
}

.text-card-accent {
    height: 5px;
    width: 100%;
    background: var(--accent);
    flex-shrink: 0;
    border-radius: 7px 7px 0 0;
}

.text-card-inner {
    padding: 12px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 0 0 7px 7px;
}

.text-card-title {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 6px;
    outline: none;
    border-bottom: 1px solid transparent;
}
.text-card-title:focus {
    border-bottom-color: var(--border-color);
}

.text-card-body {
    flex: 1;
    font-size: 13.5px;
    line-height: 1.52;
    color: var(--text-secondary);
    outline: none;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-y: auto;
}

/* Font size & Font family modifiers */
.font-sm .sticky-body, .font-sm .text-card-body, .font-sm .shape-text-edit { font-size: 12px; }
.font-md .sticky-body, .font-md .text-card-body, .font-md .shape-text-edit { font-size: 14px; }
.font-lg .sticky-body, .font-lg .text-card-body, .font-lg .shape-text-edit { font-size: 18px; }
.font-xl .sticky-body, .font-xl .text-card-body, .font-xl .shape-text-edit { font-size: 24px; font-weight: 600; }
.font-2xl .sticky-body, .font-2xl .text-card-body, .font-2xl .shape-text-edit { font-size: 32px; font-weight: 700; }
.font-3xl .sticky-body, .font-3xl .text-card-body, .font-3xl .shape-text-edit { font-size: 44px; font-weight: 700; }

.font-family-sans { font-family: var(--font-sans); }
.font-family-serif { font-family: Georgia, 'Times New Roman', Times, serif; }
.font-family-mono { font-family: var(--font-mono); }
.font-family-hand { font-family: 'Segoe Print', 'Bradley Hand', 'Chalkboard SE', 'Comic Sans MS', cursive; }

[contenteditable="true"]:focus {
    cursor: text;
    user-select: text;
}
[contenteditable="true"]:empty::before {
    content: attr(data-placeholder);
    color: rgba(15, 23, 42, 0.36);
    pointer-events: none;
}

/* C. Image Object — Strict Proportions & Non-Squishing Caption */
.obj-image {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    overflow: visible !important;
    display: block !important; /* Prevent column flex layout from ever compressing .image-frame when a caption is added */
}

.image-frame {
    width: 100% !important;
    height: 100% !important;
    min-height: 100% !important;
    max-height: 100% !important;
    flex: none !important;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: #F1F5F9;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-frame img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important; /* NEVER squish or distort pixels when caption is added or container resizes */
    display: block;
    pointer-events: none;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.image-broken-fallback {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}
.image-broken-fallback strong {
    display: block;
    color: var(--danger);
    margin-bottom: 4px;
}

.image-caption-bar {
    position: absolute !important;
    top: calc(100% + 6px) !important;
    left: 0;
    right: 0;
    padding: 7px 12px;
    background: #FFFFFF;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-sm);
    border-radius: 6px;
    font-size: 12.5px;
    line-height: 1.4;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    outline: none;
    white-space: pre-wrap;
    word-break: break-word;
    z-index: 15;
    cursor: text;
}
.image-caption-bar:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-sm);
}

/* D. Interactive Table Object — overflow: visible on outer container */
.obj-table {
    background: #FFFFFF;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-sm);
    border-radius: 8px;
    overflow: visible;
}

.table-drag-header {
    padding: 7px 12px;
    background: var(--accent);
    color: #FFFFFF;
    font-size: 12.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: grab;
    flex-shrink: 0;
    border-radius: 7px 7px 0 0;
}

.table-title-edit {
    outline: none;
    flex: 1;
}

.table-grid-container {
    flex: 1;
    overflow: auto;
    background: #FFFFFF;
    border-radius: 0 0 7px 7px;
}

.canvas-table-el {
    width: 100%;
    height: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.canvas-table-el td,
.canvas-table-el th {
    border: 1px solid var(--border-strong);
    padding: 6px 9px;
    font-size: 12.5px;
    color: var(--text-primary);
    vertical-align: top;
    word-break: break-word;
    outline: none;
    min-width: 70px;
}

.canvas-table-el tr.table-header-row td {
    background-color: #F1F5F9;
    font-weight: 700;
    color: #0F172A;
}

.canvas-table-el td:focus {
    background-color: #EEF2FF;
    box-shadow: inset 0 0 0 1.5px var(--accent);
}

/* E. Section Frame */
.obj-frame {
    background: rgba(248, 250, 252, 0.65);
    border: 2px dashed #CBD5E1;
    border-radius: 12px;
    box-shadow: none;
}

.frame-header-bar {
    position: absolute;
    top: -28px;
    left: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    background: #E2E8F0;
    color: #1E293B;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
}

.frame-title-edit {
    outline: none;
}

/* F. Flowchart Shape */
.obj-shape {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    border: 2px solid #334155;
    box-shadow: var(--shadow-xs);
}
.obj-shape.shape-rect { border-radius: 8px; }
.obj-shape.shape-pill { border-radius: 999px; }
.obj-shape.shape-circle { border-radius: 50%; }

.shape-text-edit {
    width: 100%;
    outline: none;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-word;
}

/* Marquee Selection Box */
.marquee-box {
    position: absolute;
    border: 1.5px solid var(--accent);
    background: rgba(79, 70, 229, 0.1);
    pointer-events: none;
    z-index: 180;
}

/* Collaborator Cursors */
.cursors-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    pointer-events: none;
    z-index: 150;
}

.collab-cursor {
    position: absolute;
    pointer-events: none;
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 150;
}

.collab-cursor-label {
    display: inline-block;
    margin-left: 12px;
    margin-top: -2px;
    padding: 2px 7px;
    border-radius: 999px;
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow-xs);
}

/* Bottom-Right Zoom HUD */
.canvas-hud-bottom-right {
    position: absolute;
    right: 16px;
    bottom: 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 4px;
    display: flex;
    align-items: center;
    gap: 2px;
    box-shadow: var(--shadow-md);
    z-index: 190;
}

.hud-btn, .hud-btn-text, .hud-zoom-label {
    height: 30px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12.5px;
    font-weight: 600;
}
.hud-btn { width: 30px; }
.hud-btn-text { padding: 0 9px; }
.hud-zoom-label { min-width: 52px; padding: 0 6px; }
.hud-btn:hover, .hud-btn-text:hover, .hud-zoom-label:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}
.hud-sep {
    width: 1px;
    height: 16px;
    background: var(--border-color);
    margin: 0 2px;
}

/* ============================================================================
   6. MODALS, TABLES & TOAST NOTIFICATIONS
   ============================================================================ */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 500;
}

.modal-dialog {
    width: 100%;
    max-width: 480px;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-dialog.modal-lg {
    max-width: 760px;
}

.modal-header {
    padding: 16px 22px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
}

.modal-close-btn {
    border: none;
    background: transparent;
    font-size: 22px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
}
.modal-close-btn:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px 22px;
    overflow-y: auto;
}

.modal-footer, .modal-footer-inline {
    padding: 14px 22px;
    background: var(--bg-subtle);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}
.modal-footer-inline {
    background: transparent;
    padding: 14px 0 0;
    margin-top: 10px;
}

/* Color Swatches in Modal */
.color-swatch-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.swatch-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.12s ease;
}
.swatch-btn:hover {
    transform: scale(1.1);
}
.swatch-btn.active {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

/* Upload Dropzone */
.upload-dropzone {
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    color: var(--text-secondary);
    cursor: pointer;
    background: var(--bg-app);
    margin-bottom: 14px;
    transition: border-color 0.14s ease, background-color 0.14s ease;
}
.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--accent);
    background: var(--accent-soft);
}
.upload-dropzone p {
    margin: 8px 0 4px;
    font-size: 13.5px;
}
.upload-hint {
    font-size: 12px;
    color: var(--text-muted);
}

.selected-file-preview {
    padding: 8px 12px;
    background: var(--success-soft);
    color: #166534;
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    font-weight: 500;
    margin-bottom: 12px;
}

/* Team & Invites Modal Tables */
.admin-invite-section {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}
.section-box-header h4, .team-members-section h4 {
    margin: 0 0 4px;
    font-size: 14.5px;
}
.section-sub {
    margin: 0 0 12px;
    font-size: 12.5px;
    color: var(--text-muted);
}

/* Sidebar Storage Summary & Admin Storage Cards */
.sidebar-storage-box {
    margin: 8px 12px;
    padding: 10px 12px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.14s ease, background-color 0.14s ease;
}
.sidebar-storage-box:hover {
    border-color: var(--accent-border);
    background: var(--accent-soft);
}
.storage-box-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12.5px;
}
.storage-box-label {
    color: var(--text-secondary);
    font-weight: 500;
}
.storage-box-sub {
    margin-top: 2px;
    font-size: 11px;
    color: var(--text-muted);
}

.storage-summary-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}
.storage-stat-card {
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.storage-stat-card .stat-label {
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: 500;
}
.storage-stat-card strong {
    font-size: 15px;
    color: var(--text-primary);
}

.board-storage-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--text-secondary);
}

.invite-create-bar {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr auto;
    gap: 8px;
    margin-bottom: 14px;
}

.invite-codes-table-wrap {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow-x: auto;
}

.clean-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.clean-table th, .clean-table td {
    padding: 9px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.clean-table th {
    background: var(--bg-subtle);
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
}
.clean-table tr:last-child td {
    border-bottom: none;
}

.code-mono {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12.5px;
    background: var(--bg-subtle);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Shortcuts Grid */
.shortcuts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}
.shortcut-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: var(--bg-app);
    border-radius: var(--radius-sm);
    font-size: 13px;
}
kbd {
    font-family: var(--font-mono);
    font-size: 11.5px;
    padding: 2px 6px;
    background: #FFFFFF;
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    box-shadow: 0 1px 0 var(--border-strong);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1000;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    padding: 10px 16px;
    border-radius: 8px;
    background: #1E293B;
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.2s ease;
}
.toast.toast-error {
    background: #991B1B;
}
.toast.toast-success {
    background: #166534;
}

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

/* Responsive Adjustments for Tablet & Smaller Screens */
@media (max-width: 900px) {
    .dashboard-sidebar {
        width: 210px;
    }
    .invite-create-bar {
        grid-template-columns: 1fr 1fr;
    }
    .canvas-topbar-center {
        display: none;
    }
}

@media (max-width: 680px) {
    .dashboard-layout {
        flex-direction: column;
    }
    .dashboard-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .sidebar-projects-section {
        max-height: 130px;
    }
    .dashboard-topbar {
        padding: 16px;
    }
    .boards-grid-section {
        padding: 16px;
    }
    .form-row-2 {
        grid-template-columns: 1fr;
    }
}

/* Project Role Badges & Admin Stealth / Read-Only Mode Indicators */
.badge-pill.badge-owner {
    background: #DCFCE7;
    color: #166534;
    border: 1px solid #BBF7D0;
}
.badge-pill.badge-manager {
    background: #E0E7FF;
    color: #3730A3;
    border: 1px solid #C7D2FE;
}
.badge-pill.badge-editor {
    background: #F1F5F9;
    color: #334155;
    border: 1px solid #E2E8F0;
}
.badge-pill.badge-viewer {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FDE68A;
}
.badge-pill.badge-stealth {
    background: #1E293B;
    color: #F8FAFC;
    border: 1px solid #334155;
    font-weight: 600;
}

.role-select-inline {
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    font-size: 12.5px;
    color: var(--text-primary);
    cursor: pointer;
}

.board-workspace.readonly-mode .canvas-toolbar [data-tool="sticky"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="text"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="connector"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="table"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="image"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="frame"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="shape"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="pen"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="comment"],
.board-workspace.readonly-mode .canvas-toolbar [data-tool="video"],
.board-workspace.readonly-mode .canvas-toolbar .toolbar-sep {
    display: none;
}

.board-workspace.readonly-mode .anchor-dot,
.board-workspace.readonly-mode .resize-handle {
    display: none !important;
}

.collaborator-avatar.p2p-connected,
.collab-avatar.p2p-connected {
    box-shadow: 0 0 0 2px #10B981;
}

/* ============================================================================
   7. MINIMAP, DRAG-TO-CREATE PREVIEW, LINKS, VIDEO, PEN, COMMENTS & TOUCH
   ============================================================================ */

/* Minimap in Bottom-Right (Above Zoom HUD) */
.canvas-minimap {
    position: absolute;
    right: 16px;
    bottom: 62px;
    width: 214px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    z-index: 190;
    overflow: hidden;
    user-select: none;
}
.canvas-minimap.collapsed .minimap-body {
    display: none;
}
.minimap-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border-color);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.minimap-toggle-btn {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
    border-radius: 4px;
}
.minimap-toggle-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}
.minimap-body {
    padding: 2px;
    background: #F8FAFC;
    display: flex;
    align-items: center;
    justify-content: center;
}
#minimap-canvas {
    display: block;
    width: 210px;
    height: 136px;
    cursor: crosshair;
    border-radius: 6px;
}

/* Click-and-Drag Creation Preview Box */
.creation-preview-box {
    position: absolute;
    border: 2px dashed var(--accent);
    background: rgba(79, 70, 229, 0.09);
    border-radius: 8px;
    pointer-events: none;
    z-index: 99999;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 6px;
}
.creation-preview-dims {
    background: var(--accent);
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

/* Context Toolbar Select Dropdowns & Inputs — Override global select { width: 100% } */
.context-toolbar select,
.ctx-select {
    width: auto !important;
    min-width: 0 !important;
    max-width: 96px;
    height: 24px !important;
    padding: 0 4px !important;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 11px !important;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    outline: none;
    flex: 0 0 auto !important;
}
.ctx-select:hover, .ctx-select:focus {
    border-color: var(--accent);
}
.ctx-color-input {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    cursor: pointer;
    background: transparent;
}

/* Object Action Badges (External URL Link & Canvas Area Target Jump) */
.obj-action-badges {
    position: absolute;
    top: -28px;
    right: 0;
    display: flex;
    align-items: center;
    gap: 5px;
    z-index: 32;
    pointer-events: auto;
}
.obj-badge-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid rgba(15, 23, 42, 0.14);
    box-shadow: var(--shadow-xs);
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.1s ease, background-color 0.12s ease;
}
.obj-badge-btn:hover {
    transform: translateY(-1px);
}
.obj-link-badge {
    background: #FFFFFF;
    color: var(--accent);
}
.obj-link-badge:hover {
    background: var(--accent);
    color: #FFFFFF;
}
.obj-target-badge {
    background: #ECFDF5;
    color: #047857;
    border-color: #A7F3D0;
}
.obj-target-badge:hover {
    background: #059669;
    color: #FFFFFF;
}

/* Rich text links inside cards/stickies */
.sticky-body a, .text-card-body a, .shape-text-edit a {
    color: var(--accent);
    text-decoration: underline;
    font-weight: 600;
    cursor: pointer;
}

/* Extended Flowchart Shapes (Diamond, Parallelogram, Hexagon) */
.obj-shape {
    overflow: visible;
    position: absolute;
}
.obj-shape.shape-diamond {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
}
.shape-svg-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
}
.shape-text-edit {
    position: relative;
    z-index: 2;
}

/* G. Freehand Pen / Drawing Object */
.obj-drawing {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    overflow: visible;
}
.drawing-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
    display: block;
    pointer-events: stroke;
}

/* H. Embedded Video Object (YouTube / Vimeo) */
.obj-video {
    background: #0F172A;
    border: 1px solid #334155;
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    overflow: visible;
    display: flex;
    flex-direction: column;
}
.video-drag-header {
    padding: 6px 10px;
    background: #1E293B;
    color: #F8FAFC;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    cursor: grab;
    border-radius: 7px 7px 0 0;
    flex-shrink: 0;
}
.video-drag-title {
    outline: none;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.video-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.video-controls-btn {
    padding: 2px 8px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.08);
    color: #E2E8F0;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.14s ease, border-color 0.14s ease;
}
.video-controls-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    color: #FFFFFF;
}
.obj-video.is-interactive .video-controls-btn,
.obj-video.is-active .video-controls-btn {
    background: var(--accent);
    border-color: var(--accent);
    color: #FFFFFF;
}
.video-ext-link,
.video-open-link {
    color: #38BDF8;
    text-decoration: none;
    font-size: 11.5px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}
.video-ext-link:hover,
.video-open-link:hover {
    text-decoration: underline;
}
.video-iframe-wrap {
    flex: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
    position: relative;
    background: #000000;
    border-radius: 0 0 7px 7px;
    overflow: hidden;
}
.video-iframe-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    pointer-events: none; /* Pointer events disabled by default so canvas wheel zoom & dragging never get swallowed */
}
.obj-video.is-interactive .video-iframe-wrap iframe,
.obj-video.is-active .video-iframe-wrap iframe {
    pointer-events: auto;
}
.video-interact-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    background: rgba(15, 23, 42, 0.32);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: opacity 0.18s ease, background 0.18s ease, visibility 0.18s ease;
    user-select: none;
}
/* When video is playing, make overlay completely transparent so the video is crystal-clear while still intercepting wheel events for canvas zoom! */
.obj-video.is-playing .video-interact-overlay {
    background: transparent;
}
.obj-video.is-playing .video-interact-overlay .video-play-btn,
.obj-video.is-playing .video-interact-overlay .video-play-hint {
    opacity: 0;
    transition: opacity 0.15s ease, transform 0.15s ease;
}
.obj-video.is-playing .video-interact-overlay:hover {
    background: rgba(15, 23, 42, 0.22);
}
.obj-video.is-playing .video-interact-overlay:hover .video-play-btn,
.obj-video.is-playing .video-interact-overlay:hover .video-play-hint {
    opacity: 1;
}
.vp-icon-pause {
    display: none;
    padding-right: 3px;
}
.obj-video.is-playing .vp-icon-play {
    display: none;
}
.obj-video.is-playing .vp-icon-pause {
    display: inline;
}
.obj-video.is-interactive .video-interact-overlay,
.obj-video.is-active .video-interact-overlay {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.video-play-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.95);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    transition: transform 0.15s ease, background 0.15s ease;
    padding-left: 3px;
}
.video-interact-overlay:hover .video-play-btn {
    transform: scale(1.1);
    background: #DC2626;
}
.video-play-hint {
    color: #FFFFFF;
    font-size: 11.5px;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
    background: rgba(15, 23, 42, 0.72);
    padding: 3px 10px;
    border-radius: 999px;
}
.video-lock-zoom-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 10;
    background: rgba(15, 23, 42, 0.88);
    color: #F8FAFC;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    cursor: pointer;
    display: none;
    align-items: center;
    gap: 4px;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.video-lock-zoom-badge:hover {
    background: #0F172A;
}
.obj-video.is-interactive .video-lock-zoom-badge,
.obj-video.is-active .video-lock-zoom-badge {
    display: inline-flex;
}

/* I. Spatial Comment Pin & Thread Popover — Roomy, Spacious & Readable */
.obj-comment {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    overflow: visible;
    z-index: 120 !important;
}
.comment-pin-marker {
    width: 40px;
    height: 40px;
    border-radius: 50% 50% 50% 4px;
    background: var(--accent);
    color: #FFFFFF;
    border: 2.5px solid #FFFFFF;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    position: relative;
    transition: transform 0.14s ease;
}
.comment-pin-marker:hover {
    transform: scale(1.1);
}
.obj-comment.is-resolved .comment-pin-marker {
    background: #10B981;
    opacity: 0.85;
}
.comment-count-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 19px;
    height: 19px;
    padding: 0 5px;
    border-radius: 999px;
    background: #0F172A;
    color: #FFFFFF;
    font-size: 10.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid #FFFFFF;
}
.comment-thread-popover {
    position: absolute;
    top: -6px;
    left: 52px;
    width: 440px;
    min-width: 400px;
    max-width: min(460px, calc(100vw - 80px));
    background: #FFFFFF;
    border: 1px solid var(--border-strong);
    border-radius: 14px;
    box-shadow: 0 20px 44px -6px rgba(15, 23, 42, 0.24), 0 6px 16px rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    z-index: 9999;
    cursor: default;
    overflow: hidden;
    transform-origin: top left;
}
.comment-thread-header,
.comment-popover-header {
    padding: 14px 18px;
    background: #F8FAFC;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}
.comment-thread-list,
.comment-messages-list {
    min-height: 96px;
    max-height: 360px;
    overflow-y: auto;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: #FFFFFF;
}
.comment-msg-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.comment-msg-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #EEF2FF;
    color: #4F46E5;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(79, 70, 229, 0.22);
}
.comment-msg-content {
    flex: 1;
    min-width: 0;
}
.comment-msg-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 5px;
    gap: 10px;
}
.comment-msg-author {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}
.comment-msg-time {
    font-size: 11.5px;
    color: var(--text-muted);
    flex-shrink: 0;
}
.comment-msg-body {
    background: #F8FAFC;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--text-primary);
    word-break: break-word;
    white-space: pre-wrap;
}
.comment-reply-form {
    display: flex;
    gap: 10px;
    padding: 14px 18px;
    border-top: 1px solid var(--border-color);
    background: #F8FAFC;
    align-items: flex-end;
}
.comment-reply-input {
    flex: 1;
    min-height: 44px;
    max-height: 120px;
    border: 1.5px solid var(--border-strong);
    border-radius: 10px;
    padding: 10px 13px;
    font-size: 13.5px;
    line-height: 1.45;
    outline: none;
    background: #FFFFFF;
    color: var(--text-primary);
    resize: vertical;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.comment-reply-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.comment-reply-form .btn-primary {
    height: 44px;
    padding: 0 18px;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: 10px;
    flex-shrink: 0;
}

/* iPad & Touch Screen Enhancements */
@media (pointer: coarse) {
    .tool-btn {
        width: 44px;
        height: 44px;
    }
    .resize-handle {
        width: 18px;
        height: 18px;
    }
    .resize-handle.nw { top: -10px; left: -10px; }
    .resize-handle.ne { top: -10px; right: -10px; }
    .resize-handle.sw { bottom: -10px; left: -10px; }
    .resize-handle.se { bottom: -10px; right: -10px; }
    .anchor-dot {
        width: 16px;
        height: 16px;
    }
}