:root {
    --bg-color: #111115;
    --card-bg: rgba(30, 30, 35, 0.7);
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --accent: #3b82f6;
    --border: rgba(255, 255, 255, 0.1);
    --radius: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow: hidden;
}

#main-nav-placeholder {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
}

/* 3D Scene Specific */
.fullscreen-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
}

.hint-floating {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
    backdrop-filter: blur(4px);
    z-index: 10;
    pointer-events: none;
    text-align: center;
}

/* Glassmorphism Floating Menu */
.floating-menu.glass-card {
    position: fixed;
    top: 90px;
    /* Below the nav */
    left: 20px;
    width: 380px;
    max-height: calc(100vh - 120px);
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
    z-index: 20;
}

.menu-content {
    overflow-y: auto;
    padding-right: 10px;
    /* Custom scrollbar for better look */
}

.menu-content::-webkit-scrollbar {
    width: 6px;
}

.menu-content::-webkit-scrollbar-track {
    background: transparent;
}

.menu-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

h1 {
    margin: 0 0 5px 0;
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
}

.subtitle {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 25px;
    font-size: 0.9rem;
}

.divider {
    border: 0;
    height: 1px;
    background: var(--border);
    margin: 20px 0;
}

/* Inputs */
.input-group {
    margin-bottom: 15px;
}

.input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.field {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-width: 0;
}

.field.small {
    flex-grow: 0;
    width: 80px;
}

label {
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--text-muted);
}

input,
select {
    width: 100%;
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    color: white;
    padding: 12px;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus,
select:focus {
    border-color: var(--accent);
}

/* Results */
.result-box {
    margin-top: 10px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    border: 1px solid var(--accent);
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

.result-detail {
    font-size: 0.9rem;
    color: var(--text-main);
    display: block;
    margin-top: 5px;
}

.debug-text {
    margin-top: 15px;
    font-size: 0.75rem;
    color: #555;
    font-family: monospace;
    text-align: center;
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .floating-menu.glass-card {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        width: 100%;
        max-height: 50vh;
        border-radius: 20px 20px 0 0;
        padding: 20px;
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
    }

    .hint-floating {
        bottom: 55vh;
        font-size: 0.7rem;
    }
}

/* Top Loading Bar */
.loading-bar-top-container {
    position: fixed;
    top: 80px;
    /* Below nav */
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 90;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-bar-top-container.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-bar-top {
    width: 0%;
    height: 100%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    transition: width 0.1s linear;
}

@keyframes loading-indeterminate {
    0% {
        left: -30%;
        width: 30%;
    }

    50% {
        left: 30%;
        width: 70%;
    }

    100% {
        left: 100%;
        width: 30%;
    }
}

.loading-bar-top.indeterminate {
    position: absolute;
    animation: loading-indeterminate 1.5s infinite ease-in-out;
}

/* Size Presets */
.size-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 5px;
}

.size-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.size-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent);
}

.size-btn:active {
    background: var(--accent);
    color: white;
}

/* Hide templates in Size Needed mode since we calculate size there */
#common-sizes.hidden {
    display: none !important;
}

/* Chart Button */
.chart-toggle-btn {
    margin-top: 15px;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    width: 100%;
}

.chart-toggle-btn:hover {
    background: var(--accent);
    color: white;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

/* Side Modal */
.side-modal {
    position: fixed;
    top: 90px;
    right: 20px;
    width: 450px;
    max-height: calc(100vh - 120px);
    z-index: 30;
    display: flex;
    flex-direction: column;
    padding: 25px;
    box-sizing: border-box;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
}

.side-modal.hidden {
    display: flex !important;
    transform: translateX(120%);
    opacity: 0;
    pointer-events: none;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.4rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close-btn:hover {
    color: white;
}

.modal-body {
    flex-grow: 1;
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.modal-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

/* Chart Controls */
.chart-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.chart-controls label {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin-bottom: 0;
}

.chart-controls select {
    flex: 1;
    max-width: 180px;
    padding: 8px 12px;
    font-size: 0.85rem;
}

/* Selection Feedback */
.chart-selection {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: selectionPulse 0.3s ease-out;
}

.chart-selection.hidden {
    display: none !important;
}

.chart-selection .sel-icon {
    font-size: 1.2rem;
}

.chart-selection .sel-text strong {
    color: var(--accent);
}

@keyframes selectionPulse {
    0% {
        transform: scale(0.95);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Active data point */
.data-point-active {
    stroke: white;
    stroke-width: 2;
    r: 7;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

/* Chart SVG Styling */
.chart-canvas-container {
    width: 100%;
    aspect-ratio: 1.4;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    position: relative;
    overflow: visible;
    margin-bottom: 15px;
    padding: 10px;
    box-sizing: border-box;
}

.chart-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.axis-line {
    stroke: var(--border);
    stroke-width: 1;
}

.axis-label {
    fill: var(--text-muted);
    font-size: 10px;
}

.grid-line {
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 1;
}

.data-line {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.2));
    transition: stroke-dashoffset 2s ease-out;
}

.data-point {
    transition: all 0.2s ease;
    cursor: pointer;
}

.data-point:hover {
    r: 6;
    fill: white;
}

/* Legend */
.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 5px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.legend-color {
    width: 12px;
    height: 4px;
    border-radius: 2px;
}

@media (max-width: 1000px) {
    .side-modal {
        width: 380px;
    }
}

@media (max-width: 768px) {
    .side-modal {
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
        z-index: 200;
        padding: 20px;
        padding-top: max(20px, env(safe-area-inset-top));
        padding-bottom: max(20px, env(safe-area-inset-bottom));
        overflow-y: auto;
        transition: transform 0.35s ease, opacity 0.25s ease;
    }

    .side-modal.hidden {
        transform: translateY(100%);
    }

    .side-modal .modal-body {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .chart-canvas-container {
        aspect-ratio: 1.2;
        padding: 5px;
    }

    .chart-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .chart-controls select {
        max-width: 100%;
    }

    .chart-legend {
        gap: 10px;
    }

    .chart-selection {
        font-size: 0.8rem;
        padding: 10px 12px;
    }
}