/* style.css - Diamond Origins Tracker style sheet styled similarly to utropia.net */
@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #07090e;
    --bg-surface: rgba(13, 20, 32, 0.55);
    --bg-surface-hover: rgba(22, 33, 51, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(0, 240, 255, 0.4);
    
    /* Neon Colors */
    --neon-cyan: #00f0ff;
    --neon-green: #00ff88;
    --neon-pink: #ff2a85;
    --neon-yellow: #ffc700;
    --text-primary: #f0f4f9;
    --text-secondary: #8e9bb0;
    --text-muted: #5f6b7d;
    
    --shadow-glow: 0 0 12px rgba(0, 240, 255, 0.35);
    --font-main: 'Jost', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: radial-gradient(circle at 50% 50%, #0d121d 0%, var(--bg-dark) 100%) no-repeat fixed;
    background-size: cover;
    color: var(--text-primary);
    font-family: var(--font-main);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Custom Scrollbar styled in cyberpunk theme */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 240, 255, 0.2);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

/* Main Container */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header & Navigation Bar styled similarly to utropia */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-diamond {
    color: var(--neon-cyan);
    font-size: 24px;
    filter: drop-shadow(0 0 6px var(--neon-cyan));
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #fff 0%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 15px;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-item:hover, .nav-item.active {
    color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.08);
    border-color: rgba(0, 240, 255, 0.2);
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

/* Cards & Glassmorphism Panels */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
}

.panel-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 3px solid var(--neon-cyan);
    padding-left: 10px;
}

/* Action Controls Header */
.action-controls {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.left-actions, .right-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Styled Premium Buttons with Glows */
.btn {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-cyan {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}
.btn-cyan:hover {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--neon-cyan);
}

.btn-green {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--neon-green);
    color: var(--neon-green);
}
.btn-green:hover {
    background: var(--neon-green);
    color: #000;
    box-shadow: 0 0 15px var(--neon-green);
}

.btn-pink {
    background: rgba(255, 42, 133, 0.1);
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}
.btn-pink:hover {
    background: var(--neon-pink);
    color: #fff;
    box-shadow: 0 0 15px var(--neon-pink);
}

.btn-yellow {
    background: rgba(255, 199, 0, 0.1);
    border-color: var(--neon-yellow);
    color: var(--neon-yellow);
}
.btn-yellow:hover {
    background: var(--neon-yellow);
    color: #000;
    box-shadow: 0 0 15px var(--neon-yellow);
}

.btn-muted {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
    color: var(--text-secondary);
}
.btn-muted:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* Stock Lists & Grid Layouts */
.stock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.parcel-card {
    background: rgba(18, 27, 44, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.parcel-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.1);
}

/* 10 Seconds Highlight Completion Animation */
.highlight-completed {
    animation: neon-pulse-animation 2s ease-in-out infinite;
    z-index: 2;
}

@keyframes neon-pulse-animation {
    0% {
        border-color: var(--neon-green);
        box-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
    }
    50% {
        border-color: var(--neon-green);
        box-shadow: 0 0 25px rgba(0, 255, 136, 0.8), inset 0 0 12px rgba(0, 255, 136, 0.3);
    }
    100% {
        border-color: var(--neon-green);
        box-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
    }
}

.parcel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.parcel-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
}

.parcel-id {
    font-size: 11px;
    color: var(--text-muted);
    font-family: monospace;
    margin-top: 2px;
}

/* Badges for status */
.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    white-space: nowrap;
    display: inline-block;
}

.badge-stock {
    background: rgba(0, 255, 136, 0.15);
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
}

.badge-memo {
    background: rgba(255, 199, 0, 0.15);
    color: var(--neon-yellow);
    border: 1px solid var(--neon-yellow);
}

.badge-sold {
    background: rgba(255, 42, 133, 0.15);
    color: var(--neon-pink);
    border: 1px solid var(--neon-pink);
}

.badge-returnmemoout,
.badge-returnsale {
    background: rgba(0, 243, 255, 0.15);
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
}

.badge-purchase {
    background: rgba(0, 255, 136, 0.15);
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
}

.badge-sale {
    background: rgba(255, 42, 133, 0.15);
    color: var(--neon-pink);
    border: 1px solid var(--neon-pink);
}

.badge-memoout {
    background: rgba(255, 199, 0, 0.15);
    color: var(--neon-yellow);
    border: 1px solid var(--neon-yellow);
}

.badge-mix,
.badge-mixin,
.badge-mixout,
.badge-mixout\+ {
    background: rgba(0, 240, 255, 0.1);
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
}


.parcel-weight-display {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin: 10px 0;
    font-family: monospace;
}

.parcel-weight-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Mix UI Overlay styles */
.mix-checkbox-wrapper {
    position: absolute;
    top: 15px;
    right: 15px;
    display: none;
    z-index: 5;
}

.mix-active .mix-checkbox-wrapper {
    display: block;
}

.mix-weight-input-wrapper {
    margin-top: 15px;
    background: rgba(0, 0, 0, 0.25);
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    display: none;
}

.mix-active .mix-weight-input-wrapper {
    display: block;
}

/* Tracing Fields visual bar/meter */
.tracing-bars-section {
    margin-top: 15px;
    border-top: 1px dashed var(--border-color);
    padding-top: 15px;
}

.tracing-category-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tracing-bar-container {
    margin-bottom: 10px;
}

.tracing-bar-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.tracing-bar-track {
    background: rgba(255, 255, 255, 0.05);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.tracing-bar-fill {
    background: linear-gradient(90deg, var(--neon-cyan), #00a2ff);
    height: 100%;
    border-radius: 3px;
}

.parcel-actions-row {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.parcel-btn-small {
    font-family: var(--font-main);
    font-size: 11px;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
}

.parcel-btn-small:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.parcel-btn-cyan:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
}

.parcel-btn-yellow:hover {
    border-color: var(--neon-yellow);
    color: var(--neon-yellow);
    box-shadow: 0 0 8px rgba(255, 199, 0, 0.25);
}

.parcel-btn-pink:hover {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    box-shadow: 0 0 8px rgba(255, 42, 133, 0.25);
}

.parcel-btn-green:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.25);
}

/* Modals styled in Glassmorphism */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(3, 5, 8, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: radial-gradient(circle at 50% 50%, #121927 0%, #090c12 100%);
    border: 1px solid var(--border-highlight);
    border-radius: 12px;
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 30px;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.25);
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.2s ease;
}
.modal-close:hover {
    color: var(--neon-pink);
}

/* Forms controls */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

input[type="text"], input[type="number"], select {
    width: 100%;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    color: #fff;
    font-family: var(--font-main);
    font-size: 14px;
    transition: all 0.3s ease;
}

input[type="text"]:focus, input[type="number"]:focus, select:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.2);
}

/* Dynamic rows for tracing fields */
.tracing-field-builder {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.01);
    margin-bottom: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tracing-field-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.tracing-field-header label {
    margin-bottom: 0 !important;
    cursor: pointer;
}

.collapse-icon {
    color: var(--neon-cyan);
    font-size: 10px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tracing-field-builder.collapsed {
    background: rgba(255, 255, 255, 0.002);
    border-color: rgba(255, 255, 255, 0.05);
    margin-bottom: 12px;
    padding: 12px 15px;
}

.tracing-field-builder.collapsed .tracing-field-content {
    display: none;
}

.tracing-field-builder.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.tracing-rows-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.tracing-row {
    display: grid;
    grid-template-columns: 1fr 80px 40px;
    gap: 10px;
    align-items: center;
}

.btn-remove-row {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    transition: color 0.2s ease;
}
.btn-remove-row:hover {
    color: var(--neon-pink);
}

.tracing-summary-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.sum-indicator {
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}
.sum-ok {
    background: rgba(0, 255, 136, 0.1);
    color: var(--neon-green);
}
.sum-error {
    background: rgba(255, 42, 133, 0.1);
    color: var(--neon-pink);
}

/* Tables Styles (Transactions, etc) */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.premium-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.premium-table th {
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.premium-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.premium-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Details popovers / items inside tables */
.details-subtext {
    font-size: 11px;
    color: var(--text-muted);
}

/* Footer Section */
.app-footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 12px;
}

/* Alert Notification System */
.notification-container {
    position: fixed;
    bottom: 25px;
    right: 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.toast {
    background: rgba(18, 27, 44, 0.9);
    border: 1px solid var(--neon-cyan);
    border-radius: 8px;
    padding: 12px 20px;
    color: #fff;
    font-size: 13px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    min-width: 250px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slide-in 0.3s ease-out;
}

@keyframes slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Stock View Controls Container */
.stock-view-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(13, 20, 32, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 10px 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.view-toggle-buttons {
    display: flex;
    gap: 8px;
}

.view-toggle-buttons .btn-muted {
    padding: 6px 12px;
    font-size: 12px;
    margin-bottom: 0;
}

.view-toggle-buttons .btn-muted.active {
    background: rgba(0, 240, 255, 0.15);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

/* Glassmorphic Column Chooser Dropdown */
.column-chooser-dropdown {
    display: block;
    position: absolute;
    top: 45px;
    right: 0;
    z-index: 100;
    padding: 15px;
    width: 200px;
    border-radius: 10px;
    border: 1px solid var(--border-highlight) !important;
    background: rgba(13, 20, 32, 0.96) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 240, 255, 0.1);
    
    /* Elegant Micro-animations */
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(0.96);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.column-chooser-dropdown.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

/* Beautiful Switch Style for Tracing Fields Toggle */
.tracing-toggle-wrapper {
    display: flex;
    align-items: center;
}

.switch-label {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    user-select: none;
    gap: 10px;
    margin-bottom: 0;
}

.switch-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 36px;
    height: 18px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 9px;
    position: relative;
    outline: none;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.switch-label input[type="checkbox"]:checked {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
}

.switch-label input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-secondary);
    top: 2px;
    left: 2px;
    transition: all 0.3s ease;
}

.switch-label input[type="checkbox"]:checked::before {
    background: var(--neon-cyan);
    left: 20px;
    box-shadow: 0 0 5px var(--neon-cyan);
}

/* Tracing Bars styling for Row-view inline rendering */
.row-tracing-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px 25px;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    margin-top: 5px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

@media (max-width: 768px) {
    .row-tracing-compact {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}

.row-tracing-cat-block {
    min-width: 0;
}

.row-tracing-cat-title {
    font-size: 10px;
    font-weight: 700;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.row-tracing-item {
    font-size: 11px;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.row-tracing-item span.pct {
    color: var(--text-secondary);
    font-family: monospace;
}

/* Action button style inside row view */
.row-actions-cell {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.row-actions-cell .parcel-btn-small {
    margin-top: 0;
}

/* Zero weight grayed out styling with premium glassmorphic hover effects */
.zero-weight {
    opacity: 0.4 !important;
    filter: saturate(20%) brightness(80%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.zero-weight:hover {
    opacity: 0.75 !important;
    filter: saturate(70%) brightness(100%);
}

/* Premium SVG Icon style override for Lucide */
svg.lucide, i[data-lucide] {
    width: 16px;
    height: 16px;
    stroke-width: 2px;
    display: inline-block;
    vertical-align: middle;
}
.btn svg.lucide, .btn i[data-lucide] {
    margin-right: 4px;
}

/* Action control desk light font weight */
#demo-controls-action-row .btn {
    font-weight: 300 !important;
}

/* Sleek Premium Timeline Link Icon */
.timeline-link-icon {
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.timeline-link-icon:hover {
    color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.08);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
    transform: translateY(-1px);
}

/* Calculation Tree CSS Styles */
.calc-parents-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 15px;
    width: 100%;
    flex-wrap: nowrap;
}
.calc-arrow-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 15px;
    width: 100%;
}
.calc-connector-line {
    width: 2px;
    height: 20px;
    background: linear-gradient(180deg, var(--border-color), var(--neon-cyan));
}
.calc-arrow {
    color: var(--neon-cyan);
    font-size: 12px;
    margin-top: -2px;
}
.calc-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: fit-content;
}
.calc-node-card {
    background: rgba(18, 27, 44, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    min-width: 220px;
    max-width: 280px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    margin: 5px;
}
.calc-node-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 240, 255, 0.25);
}
.calc-node-card.status-stock {
    border-color: var(--neon-green);
    box-shadow: inset 0 0 8px rgba(0, 255, 136, 0.15);
}
.calc-node-card.status-memo {
    border-color: var(--neon-yellow);
    box-shadow: inset 0 0 8px rgba(255, 199, 0, 0.15);
}
.calc-node-card.status-sold {
    border-color: var(--neon-pink);
    box-shadow: inset 0 0 8px rgba(255, 42, 133, 0.15);
}
.calc-node-card.status-purchased {
    border-color: var(--neon-green);
    box-shadow: inset 0 0 8px rgba(0, 255, 136, 0.15);
}
.calc-node-card.status-mixout,
.calc-node-card.status-mixout\+ {
    border-color: var(--neon-cyan);
    box-shadow: inset 0 0 8px rgba(0, 240, 255, 0.15);
}
.calc-node-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    gap: 8px;
}
.calc-node-id {
    font-family: monospace;
    font-weight: bold;
    font-size: 12px;
    color: var(--neon-cyan);
}
.calc-node-name {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.calc-node-weight {
    font-size: 12px;
    font-family: monospace;
    color: var(--text-secondary);
    margin-top: 4px;
}