/* Shared LifeNotes app navigation (hamburger drawer) */

.canvas-app-nav {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 10050;
}

.canvas-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.96);
    color: #374151;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.canvas-nav-toggle:hover {
    background: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.canvas-nav-toggle:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

.canvas-nav-toggle svg,
.canvas-nav-close svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.canvas-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    z-index: 10048;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.canvas-nav-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.canvas-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    max-width: min(340px, 100vw);
    width: 100%;
    background: #fff;
    z-index: 10052;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    padding: 72px 0 24px;
    border-left: 1px solid #e5e7eb;
}

.canvas-nav-panel.is-open {
    transform: translateX(0);
}

.canvas-nav-panel-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid #f3f4f6;
    background: #fff;
}

.canvas-nav-panel-header span {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #111827;
}

.canvas-nav-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #6b7280;
    cursor: pointer;
}

.canvas-nav-close:hover {
    background: #f3f4f6;
    color: #111827;
}

.canvas-nav-section {
    padding: 12px 0;
}

.canvas-nav-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #9ca3af;
    padding: 8px 20px 6px;
}

.canvas-nav-link {
    display: block;
    padding: 10px 20px;
    font-size: 0.9375rem;
    color: #374151;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.canvas-nav-link:hover {
    background: #f9fafb;
    color: #111827;
}

.canvas-nav-link[aria-current="page"] {
    background: #eef2ff;
    color: #4338ca;
    border-left-color: #667eea;
    font-weight: 500;
}

body.canvas-nav-open {
    overflow: hidden;
}

.ln-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* AI canvas: toggle lives in #canvasToolbar; nav wrapper only holds the slide-out panel */
.canvas-app-nav.ln-app-nav--toolbar-toggle {
    position: static;
    width: 0;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: visible;
    pointer-events: none;
    top: auto;
    right: auto;
    z-index: auto;
}

.canvas-app-nav.ln-app-nav--toolbar-toggle .canvas-nav-panel {
    pointer-events: auto;
}

#canvasToolbar .canvas-nav-toggle.toolbar-icon {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    box-shadow: none;
    background: transparent;
    color: var(--gray-600, #4b5563);
}

#canvasToolbar .canvas-nav-toggle.toolbar-icon:hover {
    background: var(--gray-100, #f3f4f6);
    color: var(--gray-900, #111827);
    box-shadow: none;
    transform: translateY(-1px);
}

#canvasToolbar .canvas-nav-toggle.toolbar-icon:active {
    transform: translateY(0);
}

#canvasToolbar .canvas-nav-toggle.toolbar-icon svg {
    width: 18px;
    height: 18px;
}