/* ===== pages.css ===== */
/* Page navigation, page move/feedback toasts, page slide transitions */

/* ===== Page Navigation ===== */

.page-nav-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-nav-btn:hover:not([style*="opacity: 0"]) {
    background-color: var(--color-accent);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.page-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.page-nav-prev {
    left: var(--space-xl);
}

.page-nav-next {
    right: var(--space-xl);
}

/* ===== Chat-style content navigation rail ===== */
.content-navigation-rail {
    position: fixed;
    top: 50%;
    left: calc(var(--sidebar-width) + 22px);
    width: 28px;
    height: min(52vh, 420px);
    min-height: 140px;
    transform: translateY(-50%);
    z-index: 990;
    opacity: 0.48;
    transition: opacity var(--transition-fast);
}

.content-navigation-rail[hidden] {
    display: none;
}

.content-navigation-rail:hover,
.content-navigation-rail:focus-within {
    opacity: 1;
}

.content-navigation-track {
    position: absolute;
    inset: 8px 0;
}

.content-navigation-tick {
    position: absolute;
    top: var(--content-tick-position, 0%);
    right: 0;
    width: 28px;
    height: 16px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    transform: translateY(-50%);
}

.content-navigation-tick::after {
    position: absolute;
    top: 50%;
    right: 2px;
    width: 9px;
    height: 3px;
    border-radius: 999px;
    background: var(--color-text-tertiary);
    content: '';
    opacity: 0.62;
    transform: translateY(-50%);
    transform-origin: right center;
    transition:
        width var(--transition-fast),
        height var(--transition-fast),
        opacity var(--transition-fast),
        background-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.content-navigation-tick.is-prompt::after {
    width: 13px;
    opacity: 0.82;
}

.content-navigation-tick:hover::after,
.content-navigation-tick:focus-visible::after {
    width: 20px;
    height: 4px;
    opacity: 1;
    background: var(--color-text-primary);
}

.content-navigation-tick:focus-visible {
    outline: none;
}

.content-navigation-tick:focus-visible::after {
    box-shadow: 0 0 0 3px var(--color-bg-primary), 0 0 0 5px var(--color-accent);
}

.content-navigation-tick.is-active::after {
    width: 20px;
    height: 4px;
    opacity: 1;
    background: var(--color-accent);
}

.content-navigation-preview {
    position: absolute;
    top: 50%;
    left: calc(100% + 12px);
    width: min(292px, calc(100vw - 160px));
    padding: 12px;
    border: 1px solid var(--color-border-light);
    border-radius: 14px;
    background: var(--surface-glass-strong);
    box-shadow: 0 14px 38px rgba(42, 36, 34, 0.16), 0 3px 10px rgba(42, 36, 34, 0.08);
    color: var(--color-text-primary);
    cursor: default;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.45;
    opacity: 0;
    pointer-events: none;
    text-align: left;
    transform: translate(8px, -50%) scale(0.98);
    transform-origin: left center;
    visibility: hidden;
    z-index: 3;
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast),
        visibility var(--transition-fast);
}

.content-navigation-preview::before {
    position: absolute;
    top: 50%;
    left: -5px;
    width: 10px;
    height: 10px;
    border-left: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
    background: var(--surface-glass-strong);
    content: '';
    transform: translateY(-50%) rotate(45deg);
}

.content-navigation-tick:hover .content-navigation-preview,
.content-navigation-tick:focus-visible .content-navigation-preview {
    opacity: 1;
    transform: translate(0, -50%) scale(1);
    visibility: visible;
}

.content-navigation-preview-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.content-navigation-preview-type {
    display: inline-flex;
    align-items: center;
    min-width: 0;
    padding: 3px 7px;
    border-radius: 999px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.055em;
    line-height: 1.2;
    text-transform: uppercase;
}

.content-navigation-preview-type.is-user {
    background: var(--color-accent);
    color: white;
}

.content-navigation-preview-position {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
}

.content-navigation-preview-title,
.content-navigation-preview-excerpt {
    display: block;
}

.content-navigation-preview-title {
    margin-bottom: 4px;
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 650;
    letter-spacing: -0.01em;
}

.content-navigation-preview-excerpt {
    display: -webkit-box;
    overflow: hidden;
    color: var(--color-text-secondary);
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
}

.content-navigation-preview-image {
    display: block;
    width: 100%;
    height: 92px;
    margin: 8px 0;
    border: 1px solid var(--color-border-light);
    border-radius: 9px;
    background: var(--color-bg-tertiary);
    object-fit: cover;
}

.page-indicator {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 6px;
}


.page-delete-btn {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: none;
    border-radius: 6px;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.page-delete-btn:hover {
    background-color: #fee;
    color: #dc2626;
}

.page-delete-btn:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .page-nav-btn {
        width: 40px;
        height: 40px;
    }

    

    .page-nav-prev {
        left: var(--space-md);
    }

    

    .page-nav-next {
        right: var(--space-md);
    }

    

    .page-indicator {
        top: var(--space-md);
        right: var(--space-md);
        font-size: 12px;
        padding: var(--space-xs) var(--space-md);
    }

    .content-navigation-rail {
        left: calc(var(--sidebar-width) + 4px);
        width: 24px;
        height: min(44vh, 320px);
    }

    .content-navigation-preview {
        width: min(260px, calc(100vw - 125px));
    }

    .content-navigation-tick {
        width: 24px;
    }

    .content-navigation-tick.is-active::after,
    .content-navigation-tick:hover::after,
    .content-navigation-tick:focus-visible::after {
        width: 16px;
    }
}

@media (max-width: 520px) {
    .content-navigation-rail {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .content-navigation-rail,
    .content-navigation-tick,
    .content-navigation-preview {
        transition: none;
    }
}

.page-move-btn {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.page-move-btn:hover:not(:disabled) {
    background-color: var(--color-bg-hover);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.page-move-btn:active:not(:disabled) {
    transform: scale(0.9);
}

.page-move-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== PAGE MOVE TOAST NOTIFICATION ===== */
.page-move-toast {
    position: fixed;
    bottom: 80px;
    right: var(--space-xl);
    background-color: var(--color-success);
    color: white;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: slideInRight 0.3s ease-out;
    z-index: 10000;
    display: flex;
    align-items: center;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}


/* Page Toasts & Animations */
/* Page Feedback Toast - for informational messages */
.page-feedback-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    
    background-color: var(--color-bg-secondary, #f8f9fa);
    color: var(--color-text-primary, #1c1917);
    border: 1px solid var(--color-border, #e7e5e4);
    border-radius: 8px;
    padding: 16px 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    
    display: flex;
    align-items: center;
    gap: 8px;
    
    font-size: 14px;
    font-weight: 500;
    
    animation: fadeInScale 0.3s ease-out;
}

.page-feedback-toast svg {
    flex-shrink: 0;
    color: var(--color-accent, #0f172a);
}

/* Page Move Toast - for success messages (already defined in your app) */
.page-move-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    
    background-color: var(--color-bg-secondary, #f8f9fa);
    color: var(--color-text-primary, #1c1917);
    border: 1px solid var(--color-border, #e7e5e4);
    border-radius: 8px;
    padding: 12px 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    
    display: flex;
    align-items: center;
    gap: 8px;
    
    font-size: 14px;
    font-weight: 500;
    
    animation: slideUpFade 0.3s ease-out;
}

.page-move-toast svg {
    flex-shrink: 0;
    color: var(--color-success, #10b981);
}

/* Animations */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}


/* ===== Page Slide Transitions ===== */
.messages-container {
    position: relative;
    overflow: hidden; /* Change from overflow-y: auto */
}

.page-content-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    padding: var(--space-2xl);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-content-wrapper::-webkit-scrollbar {
    width: 8px;
}

.page-content-wrapper::-webkit-scrollbar-track {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
}

.page-content-wrapper::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar);
    border-radius: 4px;
}

.page-content-wrapper::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-hover);
}

/* Slide states */
.page-content-wrapper.slide-left-out {
    transform: translateX(-100%);
}

.page-content-wrapper.slide-right-out {
    transform: translateX(100%);
}

.page-content-wrapper.slide-left-in {
    transform: translateX(100%);
}

.page-content-wrapper.slide-right-in {
    transform: translateX(-100%);
}

.page-content-wrapper.active {
    transform: translateX(0);
}

/* Hide scrollbars during page transitions */
.page-content-wrapper:not(.active) {
    overflow: hidden !important;
}

.page-content-wrapper.active {
    overflow-y: auto;
}


/* GALLERY GLIDE PAGE ANIMATIONS - Fixed for scrolling */

.page-content-wrapper {
    position: relative;
    width: 100%;
    min-height: 100%;
    opacity: 0;
    pointer-events: none;
    margin-left: 0;
}

.page-content-wrapper.active {
    position: relative !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    margin-left: 0 !important;
}

/* Incoming pages start off-screen */
.page-content-wrapper.slide-left-in {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    margin-left: 100%; /* Start off-screen to the right */
    opacity: 1;
    pointer-events: none;
}

.page-content-wrapper.slide-right-in {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    margin-left: -100%; /* Start off-screen to the left */
    opacity: 1;
    pointer-events: none;
}

/* Outgoing pages slide out */
.page-content-wrapper.slide-left-out {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    margin-left: -100%; /* Slide out to the left */
    opacity: 0.3;
    pointer-events: none !important;
    transition: margin-left 0.4s cubic-bezier(0.4, 0.0, 0.2, 1), 
                opacity 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.page-content-wrapper.slide-right-out {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    margin-left: 100%; /* Slide out to the right */
    opacity: 0.3;
    pointer-events: none !important;
    transition: margin-left 0.4s cubic-bezier(0.4, 0.0, 0.2, 1), 
                opacity 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* Messages container - hide horizontal overflow only, allow vertical scroll */
.messages-container {
    position: relative !important;
    overflow-x: hidden !important; /* Hide off-screen pages horizontally */
    overflow-y: auto !important;   /* Allow vertical scrolling */
    width: 100%;
}

       /* Burger Menu Popup */
        .burger-menu {
            position: fixed;
            background: var(--color-bg-tertiary);
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            padding: 8px;
            z-index: 10000;
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 56px;
        }
        
        .burger-menu.hidden {
            display: none;
        }
        
        .burger-menu-item {
            background: transparent;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: transform 0.1s ease, opacity 0.2s ease;
            position: relative;
        }
        
        .burger-menu-item:hover {
            transform: translateX(2px);
        }
        
        .burger-menu-item:active {
            transform: scale(0.95);
        }
        
        .burger-menu-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }
        
        .burger-menu-item:hover .burger-menu-icon {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        
        .burger-menu-icon svg {
            stroke: white;
            opacity: 0.95;
        }
        
        /* Danger state for Clear All */
        .burger-menu-item.danger:hover .burger-menu-icon {
            box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
        }
/* Prevent interaction with other messages when a menu is open */
body.menu-is-open .message {
    pointer-events: none;
}

/* But allow interaction with the message that has the open menu */
body.menu-is-open .message-options.menu-open {
    pointer-events: auto;
}

/* And ensure the menu itself is clickable */
body.menu-is-open .options-menu {
    pointer-events: auto;
}