/* Tier Maker Specific Styles */

/* Back Button Styling - Matching Memory Game */
.back-button {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 12px;
    border: 1px solid rgba(168, 85, 247, 0.3);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.12), rgba(139, 92, 246, 0.08));
    color: #ffffff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(168, 85, 247, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    white-space: nowrap;
}

.back-button:hover {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(139, 92, 246, 0.15));
    border-color: rgba(168, 85, 247, 0.5);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.25), 0 4px 12px rgba(0, 0, 0, 0.2);
}

.back-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    transition: left 0.6s ease;
}

.back-button:hover::before {
    left: 100%;
}

.back-button svg {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.back-button:hover svg {
    transform: scale(1.1) rotate(5deg);
}

/* Header Section */
.tier-maker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
    gap: 20px;
    flex-wrap: wrap;
}

.tier-maker-title {
    text-align: center;
    flex: 1;
    min-width: 300px;
}

.tier-maker-title h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tier-maker-title p {
    color: #94a3b8;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

#tier-list-title {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 20px;
    color: #ffffff;
    font-size: 1rem;
    text-align: center;
    max-width: 300px;
    width: 100%;
    outline: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

#tier-list-title::placeholder {
    color: rgba(255, 255, 255, 0.4);
    opacity: 1;
    font-style: italic;
}

#tier-list-title:focus {
    border-color: rgba(168, 85, 247, 0.5);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.tier-maker-actions {
    display: flex;
    gap: 15px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.action-btn:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(168, 85, 247, 0.2);
}

.share-btn:hover {
    background: rgba(29, 161, 242, 0.15);
    border-color: rgba(29, 161, 242, 0.4);
}

/* Tier Maker Content */
.tier-maker-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Sidebar Layout */
.sidebar-layout {
    display: flex;
    gap: 30px;
    min-height: 600px;
    align-items: flex-start;
}

/* Tiers Section (Left Side) */
.tiers-section {
    flex: 0 0 65%;
    display: flex;
    flex-direction: column;
}

/* Projects Section (Right Side) */
.projects-section {
    flex: 0 0 35%;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

/* Tier Rows */
.tier-rows {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tier-row {
    display: flex;
    align-items: stretch;
    min-height: 80px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tier-row.drag-over {
    border-color: rgba(168, 85, 247, 0.6);
    background: rgba(168, 85, 247, 0.08);
    transform: translateX(5px) scale(1.02);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.2);
}

.tier-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    font-size: 1.8rem;
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
    border-radius: 12px 0 0 12px;
}

/* Tier Colors */
.tier-s { background: linear-gradient(135deg, #ff6b6b, #ff5722); }
.tier-a { background: linear-gradient(135deg, #ff9800, #f57c00); }
.tier-b { background: linear-gradient(135deg, #ffeb3b, #fbc02d); }
.tier-c { background: linear-gradient(135deg, #8bc34a, #689f38); }
.tier-d { background: linear-gradient(135deg, #03a9f4, #0277bd); }
.tier-e { background: linear-gradient(135deg, #9c27b0, #7b1fa2); }
.tier-f { background: linear-gradient(135deg, #607d8b, #455a64); }

.tier-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    min-height: 56px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.02);
    touch-action: none; /* Allow touch events to be handled by JS */
    border-radius: 0 12px 12px 0;
    position: relative;
}

.tier-content.drag-over {
    background: rgba(168, 85, 247, 0.15);
    box-shadow: inset 0 0 20px rgba(168, 85, 247, 0.2);
}

.tier-content:empty::after {
    content: 'Drop projects here';
    color: rgba(255, 255, 255, 0.4);
    font-style: italic;
    font-size: 0.9rem;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    white-space: nowrap;
}

/* Mobile empty tier message */
@media (max-width: 768px) {
    .tier-content:empty::after {
        content: 'Tap to place projects here';
        font-size: 0.85rem;
    }
}

/* Project Items */
.project-item {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    overflow: hidden;
    cursor: grab;
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    touch-action: none; /* Prevent default touch behaviors */
    user-select: none; /* Prevent text selection */
    -webkit-user-select: none;
    -webkit-touch-callout: none; /* Prevent callout on iOS */
}

.project-item:hover {
    transform: scale(1.05);
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.project-item:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.project-item.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

/* Mobile selection system */
.project-item.mobile-selected {
    border-color: #00ff88;
    background: rgba(0, 255, 136, 0.1);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4), 0 8px 25px rgba(0, 0, 0, 0.3);
    animation: pulse-selection 1.5s infinite;
}

@keyframes pulse-selection {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 136, 0.4), 0 8px 25px rgba(0, 0, 0, 0.3); }
    50% { box-shadow: 0 0 30px rgba(0, 255, 136, 0.6), 0 8px 25px rgba(0, 0, 0, 0.3); }
}

/* Mobile tier click feedback */
@media (hover: none) and (pointer: coarse) {
    .tier-row.mobile-clickable {
        cursor: pointer;
    }
    
    .tier-row.mobile-clickable:active {
        transform: scale(0.98);
        background: rgba(168, 85, 247, 0.1);
    }
    
    .project-item:active {
        transform: scale(1.05);
        border-color: rgba(168, 85, 247, 0.7);
    }
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-item:hover img {
    transform: scale(1.1);
}

/* Project Name Tooltip */
.project-item::after {
    content: attr(data-name);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.project-item:hover::after {
    opacity: 1;
}

/* Projects Pool */
.projects-pool {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.projects-pool h3 {
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-align: center;
}

.projects-hint {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 20px;
    font-style: italic;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 12px;
    justify-items: center;
    flex: 1;
    align-content: start;
    max-height: 100%;
    overflow-y: auto;
    padding-right: 5px;
}

/* Custom scrollbar for projects grid */
.projects-grid::-webkit-scrollbar {
    width: 6px;
}

.projects-grid::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.projects-grid::-webkit-scrollbar-thumb {
    background: rgba(168, 85, 247, 0.3);
    border-radius: 3px;
}

.projects-grid::-webkit-scrollbar-thumb:hover {
    background: rgba(168, 85, 247, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .tier-maker-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .tier-maker-title {
        min-width: auto;
    }
    
    .tier-maker-title h1 {
        font-size: 2rem;
    }
    
    .tier-maker-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Mobile: Stack layout vertically */
    .sidebar-layout {
        flex-direction: column;
        gap: 25px;
        min-height: auto;
        padding: 0 15px; /* Add consistent container padding */
        box-sizing: border-box; /* Ensure padding doesn't overflow */
        width: 100%;
    }
    
    .tiers-section {
        flex: 1;
        order: 2;
        width: 100%;
    }
    
    .tier-rows {
        width: 100%;
    }
    
    .projects-section {
        flex: 1;
        order: 1;
        position: static;
        max-height: none;
        margin-bottom: 0;
        margin: 0; /* Remove negative margin */
        width: 100%; /* Use full container width */
    }
    
    /* Full width tier rows for mobile */
    .tier-row {
        min-height: 80px;
        margin: 0; /* Remove negative margin */
        border-radius: 8px;
        width: 100%; /* Use full container width */
        max-width: none;
        display: flex; /* Ensure flex display for proper width distribution */
        box-sizing: border-box; /* Include padding and borders in width calculation */
    }
    
    .tier-label {
        width: 60px;
        font-size: 1.6rem;
        border-radius: 8px 0 0 8px;
    }
    
    .tier-content {
        padding: 12px;
        min-height: 56px;
        border-radius: 0 8px 8px 0;
        flex: 1; /* Take up remaining space in flex container */
        box-sizing: border-box; /* Ensure padding doesn't overflow */
        min-width: 0; /* Allow flex item to shrink below content size */
    }
    
    /* Mobile project items - larger and better spaced */
    .project-item {
        width: 65px;
        height: 65px;
        border-radius: 10px;
    }
    
    /* Better mobile projects grid - more like original */
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(65px, 1fr));
        gap: 15px;
        padding: 0;
        max-height: 250px;
        overflow-y: auto;
    }
    
    .projects-pool {
        padding: 20px 15px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 20px;
        margin: 0; /* No additional margin since parent already extends to edges */
        width: 100%;
    }
    
    .projects-pool h3 {
        font-size: 1.4rem;
        margin-bottom: 10px;
    }
    
    .projects-hint {
        font-size: 0.9rem;
        margin-bottom: 18px;
        color: rgba(255, 255, 255, 0.7);
    }
    
    /* Hide desktop hint on mobile */
    .desktop-hint {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .tier-maker-title h1 {
        font-size: 1.8rem;
    }
    
    .tier-label {
        width: 50px;
        font-size: 1.3rem;
    }
    
    .project-item {
        width: 50px;
        height: 50px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
        gap: 10px;
    }
    
    .action-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

/* Loading State */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    color: #94a3b8;
    font-size: 1.1rem;
}

/* Empty State */
.empty-tier {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-style: italic;
    min-height: 70px;
}

/* Mobile touch improvements */
@media (max-width: 768px) {
    .project-item {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        touch-action: manipulation;
        cursor: pointer;
        transition: transform 0.1s ease, opacity 0.2s ease;
    }
    
    .project-item:active {
        transform: scale(0.95);
    }
    
    .project-item.mobile-selected {
        transform: scale(1.05);
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
    }
    
    .tier-row {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        touch-action: manipulation;
        cursor: pointer;
        transition: background-color 0.2s ease;
    }
    
    .tier-row:active {
        background-color: rgba(139, 92, 246, 0.1);
    }
    
    .action-btn {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        touch-action: manipulation;
        min-height: 44px;
        min-width: 44px;
        transition: transform 0.1s ease;
    }
    
    .action-btn:active {
        transform: scale(0.95);
    }
    
    .back-button {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        touch-action: manipulation;
        min-height: 44px;
        min-width: 44px;
    }
}