/**
 * Ultra-Premium Future Enhancements - Part 2
 * Power of Knowledge - AI-Powered Academic Journal
 * 
 * MEDIUM PRIORITY FEATURES:
 * 1. Inline AI suggestions (Word-like underlines)
 * 2. Context menus with AI actions
 * 3. Author profile dark theme
 * 4. Citation network visualization
 * 
 * LOW PRIORITY FEATURES:
 * 5. Parallax effects
 * 6. 3D card transforms
 * 7. Mouse-responsive particles
 * 8. Custom AI cursors
 */

/* ============================================
   1. INLINE AI SUGGESTIONS
   ============================================ */

/* Word-like suggestion underline */
.up-ai-suggestion {
    position: relative;
    cursor: pointer;
    border-bottom: 2px wavy var(--synapse-pink, #ec4899);
    padding-bottom: 1px;
}

.up-ai-suggestion:hover {
    background: rgba(236, 72, 153, 0.1);
}

/* Grammar suggestion (red) */
.up-ai-suggestion.grammar {
    border-bottom-color: #ef4444;
}

/* Style suggestion (blue) */
.up-ai-suggestion.style {
    border-bottom-color: var(--quantum-blue, #00d4ff);
}

/* Enhancement suggestion (purple) */
.up-ai-suggestion.enhance {
    border-bottom-color: var(--neural-purple, #8b5cf6);
}

/* Suggestion tooltip */
.up-ai-suggestion-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--anthracite, #1a1a2e);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px 16px;
    min-width: 200px;
    max-width: 300px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
}

.up-ai-suggestion:hover .up-ai-suggestion-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-12px);
}

.up-ai-suggestion-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--anthracite, #1a1a2e);
}

.up-ai-suggestion-tooltip .header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--quantum-blue, #00d4ff);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.up-ai-suggestion-tooltip .original {
    text-decoration: line-through;
    color: var(--silver, #9ca3af);
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.up-ai-suggestion-tooltip .suggested {
    color: var(--plasma-green, #10b981);
    font-size: 0.875rem;
    font-weight: 500;
}

.up-ai-suggestion-tooltip .actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.up-ai-suggestion-tooltip .actions button {
    flex: 1;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.up-ai-suggestion-tooltip .actions .accept {
    background: var(--plasma-green, #10b981);
    color: white;
}

.up-ai-suggestion-tooltip .actions .dismiss {
    background: rgba(255, 255, 255, 0.1);
    color: var(--silver, #9ca3af);
}

/* ============================================
   2. CONTEXT MENUS WITH AI ACTIONS
   ============================================ */

.up-context-menu {
    position: fixed;
    background: var(--anthracite, #1a1a2e);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 220px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    z-index: 10000;
    animation: context-menu-appear 0.2s ease;
}

@keyframes context-menu-appear {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.up-context-menu-section {
    padding: 4px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.up-context-menu-section:last-child {
    border-bottom: none;
}

.up-context-menu-label {
    padding: 6px 16px;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--silver, #9ca3af);
    opacity: 0.7;
}

.up-context-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--platinum, #e5e7eb);
    font-size: 0.875rem;
    cursor: pointer;
    transition: background 0.15s ease;
}

.up-context-menu-item:hover {
    background: rgba(0, 212, 255, 0.1);
}

.up-context-menu-item i {
    width: 16px;
    text-align: center;
    color: var(--silver, #9ca3af);
}

.up-context-menu-item .shortcut {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--silver, #9ca3af);
    opacity: 0.5;
}

/* AI-specific menu items */
.up-context-menu-item.ai {
    color: var(--quantum-blue, #00d4ff);
}

.up-context-menu-item.ai i {
    color: var(--quantum-blue, #00d4ff);
}

.up-context-menu-item.ai::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--quantum-blue, #00d4ff), var(--neural-purple, #8b5cf6));
    opacity: 0;
    transition: opacity 0.2s ease;
}

.up-context-menu-item.ai:hover::before {
    opacity: 1;
}

/* ============================================
   3. AUTHOR PROFILE DARK THEME
   ============================================ */

.up-author-profile {
    background: var(--void-black, #0a0a0f);
    min-height: 100vh;
}

.up-author-hero {
    position: relative;
    padding: 120px 0 60px;
    background: linear-gradient(180deg, var(--anthracite, #1a1a2e), var(--void-black, #0a0a0f));
}

.up-author-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(139, 92, 246, 0.1));
    mask-image: linear-gradient(180deg, black, transparent);
    -webkit-mask-image: linear-gradient(180deg, black, transparent);
}

.up-author-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    margin-bottom: 24px;
}

.up-author-name {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--platinum, #e5e7eb);
    margin-bottom: 8px;
}

.up-author-title {
    font-size: 1.125rem;
    color: var(--silver, #9ca3af);
    margin-bottom: 16px;
}

.up-author-institution {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--quantum-blue, #00d4ff);
    font-size: 0.875rem;
}

.up-author-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
}

.up-author-stat {
    text-align: center;
}

.up-author-stat-value {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--platinum, #e5e7eb);
}

.up-author-stat-label {
    font-size: 0.75rem;
    color: var(--silver, #9ca3af);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   4. CITATION NETWORK VISUALIZATION
   ============================================ */

.up-citation-network {
    position: relative;
    width: 100%;
    height: 500px;
    background: var(--anthracite, #1a1a2e);
    border-radius: 16px;
    overflow: hidden;
}

.up-citation-node {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--quantum-blue, #00d4ff), var(--neural-purple, #8b5cf6));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.up-citation-node:hover {
    transform: scale(1.2);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    z-index: 3;
}

.up-citation-node.primary {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold-standard, #fbbf24), #f59e0b);
    font-size: 0.875rem;
}

.up-citation-node.citing {
    background: linear-gradient(135deg, var(--plasma-green, #10b981), #059669);
}

.up-citation-node.cited {
    background: linear-gradient(135deg, var(--synapse-pink, #ec4899), #db2777);
}

.up-citation-link {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.3), rgba(139, 92, 246, 0.3));
    transform-origin: left center;
    z-index: 1;
}

.up-citation-link.animated {
    animation: link-pulse 2s ease-in-out infinite;
}

@keyframes link-pulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.8;
    }
}

/* ============================================
   5. PARALLAX EFFECTS
   ============================================ */

.up-parallax {
    position: relative;
    overflow: hidden;
}

.up-parallax-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    will-change: transform;
}

.up-parallax-layer.slow {
    transform: translateY(calc(var(--scroll) * 0.1));
}

.up-parallax-layer.medium {
    transform: translateY(calc(var(--scroll) * 0.3));
}

.up-parallax-layer.fast {
    transform: translateY(calc(var(--scroll) * 0.5));
}

/* ============================================
   6. 3D CARD TRANSFORMS
   ============================================ */

.up-card-3d {
    perspective: 1000px;
}

.up-card-3d-inner {
    transition: transform 0.6s ease;
    transform-style: preserve-3d;
}

.up-card-3d:hover .up-card-3d-inner {
    transform: rotateY(10deg) rotateX(-5deg);
}

/* Tilt on mouse move - enhanced by JS */
.up-card-tilt {
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
}

.up-card-tilt .content {
    transform: translateZ(30px);
}

/* ============================================
   7. MOUSE-RESPONSIVE PARTICLES
   ============================================ */

.up-particle-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.up-mouse-particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particle-fade 1s ease-out forwards;
}

@keyframes particle-fade {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        opacity: 0;
        transform: scale(0);
    }
}

/* ============================================
   8. CUSTOM AI CURSORS
   ============================================ */

.up-cursor-ai {
    cursor: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><circle cx="16" cy="16" r="12" fill="%2300d4ff" opacity="0.3"/><circle cx="16" cy="16" r="6" fill="%2300d4ff"/></svg>') 16 16, auto;
}

.up-cursor-pointer-ai {
    cursor: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><polygon points="8,4 8,28 14,22 20,28 24,24 18,18 26,18" fill="%2300d4ff"/></svg>') 8 4, pointer;
}

/* Custom cursor follower (enhanced by JS) */
.up-cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--quantum-blue, #00d4ff);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transition: transform 0.1s ease-out, opacity 0.3s ease;
    mix-blend-mode: difference;
}

.up-cursor-follower.active {
    transform: scale(0.5);
    background: var(--quantum-blue, #00d4ff);
}

.up-cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--quantum-blue, #00d4ff);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
}