/* === layout.css - Modular segment of 8eacher design system === */

/* Global Top Header Style */
.top-header {
    background: var(--bg-card);
    border-bottom: 2px solid var(--border-color);
    padding: var(--space-md) var(--space-xl);
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.01);
}
.top-header-content {
    max-width: 1500px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}
.header-icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
}
.header-icon-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.header-icon-btn svg {
    width: 22px;
    height: 22px;
}
.theme-icon-light, .theme-icon-dark,
.sound-icon-on, .sound-icon-off {
    transition: transform 0.3s ease;
}
.header-icon-btn:hover .theme-icon-light,
.header-icon-btn:hover .theme-icon-dark {
    transform: rotate(20deg) scale(1.15);
}
.header-icon-btn:hover .sound-icon-on,
.header-icon-btn:hover .sound-icon-off {
    transform: scale(1.15);
}
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: var(--btn-primary-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* App Container Layout - Adaptive Desktop Sidebar wrapper */
.app-container {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: row;
    gap: var(--space-xl);
    flex-grow: 1;
}

/* Centering layout when logged out */
body.logged-out .sidebar {
    display: none !important;
}
body.logged-out .content-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    display: flex;
    justify-content: center;
    align-items: center;
}
body.logged-out .app-container {
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
    padding: 0 !important;
}



/* Sidebar Navigation */
.sidebar {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    height: fit-content;
}

#nav-buttons {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--space-sm);
}

/* Tactile Navigation Buttons */
.nav-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid transparent;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-family: inherit;
    cursor: pointer;
    padding: 12px var(--space-md);
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
}
.nav-btn:hover:not(.primary-nav-btn) { 
    color: var(--text-primary); 
    background: var(--bg-secondary); 
    transform: translateX(4px); /* Playful micro-interaction sliding right */
}
.nav-btn.active:not(.primary-nav-btn) { 
    color: var(--text-primary); 
    background: var(--accent-light);
    border-color: var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.primary-nav-btn { 
    background: var(--accent); 
    border-color: var(--accent);
    color: var(--btn-primary-text) !important; 
    box-shadow: inset 0 -4px 0 var(--btn-primary-shadow);
    margin-top: 10px;
}
.primary-nav-btn:hover { 
    background: var(--accent-hover); 
    color: var(--btn-primary-text) !important; 
}
.primary-nav-btn:active {
    transform: translateY(2px);
    box-shadow: inset 0 -2px 0 var(--btn-primary-shadow);
}
.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}
.nav-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}



/* Views & Content Structure */
.content-wrapper { 
    flex: 1; 
    max-width: calc(100% - 250px);
}
.view { 
    display: flex; flex-direction: column; gap: 20px; 
    opacity: 0; 
    transform: translateY(10px) scale(0.995);
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
    width: 100%;
}
.hidden {
    display: none !important;
}

#view-create .form-container,
#view-edit .form-container {
    width: 100%;
}

#view-practice {
    width: 100%;
    max-width: 650px; /* Mobile/portrait viewport constraint */
    margin: 0 auto;
    transition: max-width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    min-height: calc(100dvh - 140px);
}

#view-practice.practice-layout-split {
    max-width: 1150px;
}

#view-practice > .form-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.practice-workspace {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    flex: 1;
    min-height: 0;
}

#view-auth {
    max-width: 550px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Auth / Hero Section */
.hero-section { 
    text-align: center; 
    margin-bottom: 10px; 
    max-width: 100%; 
}
.hero-section h2 { 
    font-size: 2.75rem; 
    margin-bottom: 16px; 
    font-weight: 800; 
    letter-spacing: -1.5px; 
}
.hero-section p { 
    color: var(--text-secondary); 
    font-size: 1.15rem; 
    font-weight: 400; 
    line-height: 1.6; 
}

.auth-subtext { margin-bottom: 24px; color: var(--text-secondary); }



/* Dashboard - Duolingo Styled Practice Hero Banner */
.dashboard-hero {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 30px;
    gap: 30px;
    background: var(--bg-card);
    width: 100%;
    position: relative;
    z-index: 10;
}
.hero-left {
    flex: 1;
    text-align: left;
}
.hero-left h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.8px;
    color: var(--text-primary);
}
.hero-left p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
}
.practice-controls-inline {
    display: flex;
    flex-direction: row;
    gap: 12px;
    align-items: center;
    width: 100%;
    max-width: 500px;
}
.input-group-select {
    flex: 1;
}
.input-group-select select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
}
.status-msg-dashboard {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.hero-right {
    flex-shrink: 0;
    width: 200px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Beautiful pure-CSS Duolingo Laptop illustration in shades of gray */
.geometric-art {
    position: relative;
    width: 180px;
    height: 140px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.art-backdrop {
    position: absolute;
    width: 130px;
    height: 130px;
    background: var(--bg-secondary);
    border-radius: 50%;
    z-index: 1;
    bottom: 5px;
    left: 15px;
    opacity: 0.7;
}
.art-clock {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-radius: 50%;
    background: var(--bg-card);
    z-index: 2;
    top: 15px;
    left: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.art-clock::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 11px;
    background: var(--text-secondary);
    top: 7px;
    left: 16px;
    transform-origin: bottom center;
    transform: rotate(35deg);
}
.art-clock::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 7px;
    background: var(--text-secondary);
    top: 11px;
    left: 16px;
    transform-origin: bottom center;
    transform: rotate(115deg);
}
.art-laptop {
    position: relative;
    width: 110px;
    height: 70px;
    background: #27272a;
    border: 3px solid #09090b;
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    z-index: 3;
    bottom: 8px;
    right: -20px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}
.art-laptop-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    border-radius: 3px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 5px;
}
.art-laptop-bar {
    height: 5px;
    width: 80%;
    background: var(--bg-secondary);
    border-radius: 2px;
}
.art-laptop-bar.active {
    width: 50%;
    background: var(--text-primary);
}
.art-laptop-graph {
    flex-grow: 1;
    display: flex;
    align-items: flex-end;
    gap: 3px;
}
.art-graph-column {
    width: 6px;
    background: var(--bg-secondary);
    border-radius: 1px 1px 0 0;
}
.art-graph-column:nth-child(1) { height: 40%; }
.art-graph-column:nth-child(2) { height: 75%; background: var(--text-tertiary); }
.art-graph-column:nth-child(3) { height: 50%; }
.art-graph-column:nth-child(4) { height: 90%; background: var(--text-primary); }

.art-laptop-base {
    position: absolute;
    width: 130px;
    height: 8px;
    background: #d4d4d8;
    border: 3px solid #09090b;
    border-radius: 0 0 4px 4px;
    z-index: 4;
    bottom: 0px;
    right: -30px;
}
.art-desk-line {
    position: absolute;
    width: 180px;
    height: 3px;
    background: var(--bg-tertiary);
    z-index: 0;
    bottom: 0;
}

/* Stats Pill Bar Row */
.stats-row {
    display: flex;
    flex-direction: row;
    gap: 16px;
    width: 100%;
}
.stat-pill {
    flex: 1;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: inset 0 -2px 0 var(--border-color);
    padding: 14px 20px;
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.pill-label {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}
.pill-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}
.pill-value.highlight {
    color: var(--text-primary);
}
.stat-pill.streak-completed {
    border-color: var(--success) !important;
    box-shadow: none !important;
}
.stat-pill.streak-completed .pill-value {
    color: var(--success) !important;
}

/* Duolingo Practice Skills Grid Section & Dynamic Tabs */
.skills-section {
    width: 100%;
    text-align: left;
    margin-top: 10px;
}
.skills-section h3 {
    font-size: 1.15rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Grayscale Dynamic Category Tabs */
.category-tabs {
    display: flex;
    gap: 24px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
    padding-bottom: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.category-tabs::-webkit-scrollbar {
    display: none;
}
.category-tab {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 10px 4px 14px 4px;
    cursor: pointer;
    position: relative;
    transition: color 0.2s;
    white-space: nowrap;
}
.category-tab:hover {
    color: var(--text-primary);
}
.category-tab.active {
    color: var(--text-primary);
}
.category-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--text-primary);
    border-radius: 2px;
}

.category-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    width: 100%;
}
.category-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: inset 0 -2px 0 var(--border-color);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all 0.1s ease;
    user-select: none;
}
.category-card.clickable {
    cursor: pointer;
}
.category-card.clickable:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: inset 0 -4px 0 var(--border-color);
}
.category-card.clickable:active {
    transform: translateY(2px);
    box-shadow: none;
}

.category-card-top {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
}
.category-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}
.category-card-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.category-card-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: capitalize;
}
.category-card-fraction {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 3px 6px;
    border-radius: 6px;
}

.category-card-bottom {
    width: 100%;
}
.progress-bar-container {
    height: 10px;
    width: 100%;
    background: var(--bg-tertiary);
    border-radius: 5px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    background-color: var(--success-fill);
    border-radius: 5px;
    transition: width 0.4s ease;
}



/* Manage View & Toolbar */
.manage-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 0; margin-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}
.manage-toolbar-right { display: flex; align-items: center; gap: 16px; }
.selected-count { font-size: 0.85rem; color: var(--text-secondary); font-weight: 700; }
.manage-select-all {
    display: flex; align-items: center; gap: 10px;
    cursor: pointer; font-size: 0.85rem; color: var(--text-secondary); user-select: none;
    font-weight: 700;
}
.manage-select-all:hover { color: var(--text-primary); }
.manage-select-all input[type="checkbox"] { display: none; }
.manage-select-all .custom-checkbox,
.manage-card-checkbox .custom-checkbox {
    width: 20px; height: 20px; border: 2px solid var(--border-color); border-radius: 6px;
    display: inline-flex; align-items: center; justify-content: center;
    transition: all 0.2s ease; background: var(--bg-card); flex-shrink: 0;
}
.manage-select-all input:checked ~ .custom-checkbox,
.manage-card-checkbox input:checked ~ .custom-checkbox {
    background: var(--accent); border-color: var(--accent);
}
.manage-select-all input:checked ~ .custom-checkbox::after,
.manage-card-checkbox input:checked ~ .custom-checkbox::after {
    content: '';
    width: 5px;
    height: 9px;
    border: solid var(--btn-primary-text);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    display: inline-block;
    margin-bottom: 2px;
}
.manage-select-all span:last-child { pointer-events: none; }

.btn-delete-batch {
    background: transparent !important; 
    border: 2px solid var(--danger) !important;
    box-shadow: inset 0 -2px 0 var(--danger) !important;
    color: var(--danger) !important; 
    padding: 8px 16px !important; 
    font-size: 0.8rem !important;
    font-weight: 700 !important; 
    border-radius: 10px;
}
.btn-delete-batch:hover { background: rgba(181, 94, 94, 0.08) !important; }
.btn-delete-batch:active {
    transform: translateY(2px);
    box-shadow: none !important;
}

.manage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; width: 100%; text-align: left; }
.manage-card { 
    padding: 16px; 
    display: flex; 
    flex-direction: row; 
    gap: 14px; 
    position: relative; 
    align-items: flex-start; 
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease; 
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: inset 0 -2px 0 var(--border-color);
    border-radius: 16px;
    cursor: pointer;
}
.manage-card:has(.card-checkbox:checked) { 
    border-color: var(--text-primary); 
    box-shadow: inset 0 -2px 0 var(--text-primary); 
}
.manage-card-checkbox {
    display: flex; align-items: center; cursor: pointer; flex-shrink: 0; padding-top: 2px;
}
.manage-card-checkbox input[type="checkbox"] { display: none; }
.manage-card-content { flex-grow: 1; font-size: 0.9rem; color: var(--text-primary); line-height: 1.5; }
.manage-card-content strong { color: var(--text-primary); font-weight: 700; }
.manage-card-img { max-width: 100%; height: 100px; object-fit: cover; border-radius: 8px; margin-top: 8px; border: 2px solid var(--border-color); }



/* Responsive Adaptations for Mobile Bottom Tab Bar */
@media (max-width: 768px) {
    .top-header { padding: 10px var(--space-sm); }
    .top-header-right { gap: var(--space-sm); }
    .app-container {
        flex-direction: column;
        padding: var(--space-sm) var(--space-sm) calc(var(--space-xl) * 2.2 + env(safe-area-inset-bottom, 0px)) var(--space-sm) !important;
        gap: var(--space-sm) !important;
    }
    body.logged-out .app-container {
        padding: var(--space-md) var(--space-sm) !important;
        min-height: calc(100vh - 60px) !important;
    }
    .view {
        gap: var(--space-sm) !important;
    }
    .hero-section h2 {
        font-size: 1.8rem !important;
        margin-bottom: 8px !important;
        letter-spacing: -0.6px !important;
    }
    .hero-section p {
        font-size: 0.9rem !important;
        line-height: 1.4 !important;
    }
    .auth-box {
        padding: var(--space-md) var(--space-sm) !important;
        margin: var(--space-sm) auto 0 auto !important;
    }
    .form-container {
        padding: var(--space-md) var(--space-sm) !important;
    }
    .sidebar {
        width: 100%;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 10000; /* Float on top of everything */
        top: auto;
        height: auto;
        background: var(--bg-mobile-nav) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        border-top: 2px solid var(--border-color);
        box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
        padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px)) !important;
    }
    #nav-buttons {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        gap: 0;
        padding: 8px 0;
    }
    .nav-btn {
        flex: 1;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        padding: 4px 0;
        border-radius: 0;
        font-size: 0.65rem;
        border: none !important;
        background: transparent !important;
    }
    .nav-btn.active:not(.primary-nav-btn) {
        color: var(--accent);
    }
    .primary-nav-btn {
        margin-top: 0;
        box-shadow: none;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .primary-nav-btn .nav-icon {
        background: var(--accent);
        color: var(--btn-primary-text);
        border-radius: 50%;
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
        box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        transition: transform 0.1s ease;
    }
    .primary-nav-btn .nav-text {
        display: none;
    }
    .primary-nav-btn:active .nav-icon {
        transform: scale(0.95);
    }
    .logo { font-size: 1.25rem; }
    .content-wrapper {
        width: 100%;
        max-width: 100%;
    }
    .dashboard-hero {
        flex-direction: column;
        padding: var(--space-md) !important;
        text-align: center;
    }
    .hero-left { text-align: center; }
    .hero-left h2 { font-size: 1.45rem !important; }
    .practice-controls-inline {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-right { display: none; }
    .stats-row { flex-direction: column; gap: var(--space-sm); }
    .flashcard { min-height: 280px; }
    .card-face { min-height: 280px; padding: var(--space-sm) !important; }
    .card-content { font-size: 1.4rem !important; }

    /* Canvas specific mobile styles */
    #create-map-canvas-container,
    #edit-map-canvas-container {
        height: 380px !important;
        margin-top: 8px;
    }
    .canvas-zoom-controls {
        left: 50% !important;
        bottom: 80px !important;
        top: auto !important;
        transform: translateX(-50%) !important;
        margin-right: 0 !important;
        margin-bottom: 0 !important;
        padding: var(--space-sm) var(--space-md) !important;
        gap: 6px !important;
        width: max-content !important;
        border-radius: 28px !important;
    }
    .zoom-ctrl-text-btn {
        font-size: 0.8rem !important;
        padding: 4px 8px !important;
    }
    .zoom-ctrl-btn {
        width: 38px !important;
        height: 38px !important;
        font-size: 0.85rem !important;
    }
    .zoom-divider {
        margin: 0 3px !important;
        font-size: 0.75rem !important;
    }
    .zoom-percent {
        font-size: 0.75rem !important;
        min-width: 32px !important;
    }
    .mobile-hide {
        display: none !important;
    }
    
    @media (max-width: 480px) {
        .canvas-zoom-controls {
            padding: 4px 6px !important;
            gap: 2px !important;
            border-radius: 20px !important;
        }
        .zoom-ctrl-btn {
            width: 28px !important;
            height: 28px !important;
            font-size: 0.75rem !important;
        }
        .zoom-ctrl-text-btn {
            font-size: 0.7rem !important;
            padding: 2px 4px !important;
        }
        .zoom-percent {
            font-size: 0.7rem !important;
            min-width: 24px !important;
        }
        .zoom-divider {
            margin: 0 1px !important;
        }
    }
}



/* Image Card / Sequencing Inputs Styles */
.sequencing-input-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    padding: 12px 14px;
    border-radius: 12px;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.sequencing-input-row:focus-within {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--border-color);
}

.practice-sequence-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    padding: 0;
}

/* Hover effect for premium Image Card overlays */
.card-front:hover .image-card-clue-title {
    border-color: var(--text-primary) !important;
}

.card-front:hover .image-card-frame {
    border-color: var(--text-primary) !important;
}

/* contribution grid styles */
.contribution-col {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.contribution-cell {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.contribution-cell:hover {
    transform: scale(1.3);
    z-index: 5;
    border-color: var(--text-primary) !important;
}
.stats-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: inset 0 -2px 0 var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}