/**
 * Root Finding Lab – Bisection vs Newton-Raphson
 * Scoped styles; dark theme, max-width 800px, Courier New.
 */
#content_sim #rootfinding-simulation,
#rootfinding-simulation {
    width: 100%;
    max-width: 800px;
    box-sizing: border-box;
}

#content_sim .rootfinding-container,
#rootfinding-simulation .rootfinding-container {
    font-family: 'Courier New', Courier, monospace;
    width: 100%;
    max-width: 800px;
    margin: 0;
    padding: 12px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #e2e8f0;
    box-sizing: border-box;
}

#content_sim .rootfinding-app,
#rootfinding-simulation .rootfinding-app {
    display: flex;
    flex-direction: row;
    gap: 12px;
    min-width: 0;
}

#content_sim .rootfinding-sidebar,
#rootfinding-simulation .rootfinding-sidebar {
    width: 260px;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid #334155;
    padding: 10px;
    border-radius: 6px;
}

#content_sim .rootfinding-sidebar h2 {
    font-size: 12px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: #10b981;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#content_sim .rootfinding-control-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

#content_sim .rootfinding-control-row label {
    min-width: 70px;
    font-size: 11px;
    color: #94a3b8;
}

#content_sim .rootfinding-control-row input[type="text"],
#content_sim .rootfinding-control-row select {
    flex: 1;
    min-width: 0;
    padding: 6px 8px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid #334155;
    border-radius: 4px;
    color: #e2e8f0;
    font-family: 'Courier New', Courier, monospace;
    font-size: 11px;
    outline: none;
}

#content_sim .rootfinding-control-row input[type="text"]:focus,
#rootfinding-simulation .rootfinding-control-row input[type="text"]:focus {
    border-color: #06b6d4;
    box-shadow: 0 0 8px rgba(6, 182, 212, 0.3);
}

#content_sim .rootfinding-control-row input[type="range"],
#rootfinding-simulation .rootfinding-control-row input[type="range"] {
    flex: 1;
    min-width: 60px;
    cursor: pointer;
}

#content_sim .rootfinding-control-row .rootfinding-val,
#rootfinding-simulation .rootfinding-control-row .rootfinding-val {
    min-width: 44px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 11px;
    color: #e2e8f0;
    text-align: right;
}

#content_sim .rootfinding-control-row .rootfinding-checkbox-label,
#rootfinding-simulation .rootfinding-control-row .rootfinding-checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 11px;
    color: #94a3b8;
    min-width: 0;
}

#content_sim .rootfinding-control-row .rootfinding-checkbox-label input[type="checkbox"],
#rootfinding-simulation .rootfinding-control-row .rootfinding-checkbox-label input[type="checkbox"] {
    cursor: pointer;
    accent-color: #10b981;
}

#content_sim .rootfinding-control-row input.error {
    border-color: #ef4444;
    background: rgba(127, 29, 29, 0.3);
}

#content_sim .rootfinding-toggle-group {
    display: flex;
    gap: 4px;
}

#content_sim .rootfinding-toggle-group button {
    flex: 1;
    padding: 6px 8px;
    font-size: 10px;
    font-family: 'Courier New', Courier, monospace;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid #334155;
    color: #94a3b8;
    cursor: pointer;
    border-radius: 4px;
}

#content_sim .rootfinding-toggle-group button.active,
#rootfinding-simulation .rootfinding-toggle-group button.active {
    background: #10b981;
    color: #064e3b;
    border-color: #10b981;
    font-weight: 600;
}

#content_sim .rootfinding-toggle-group button:hover:not(.active) {
    background: rgba(51, 65, 85, 0.8);
    color: #e2e8f0;
}

#content_sim .rootfinding-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

#content_sim .rootfinding-actions button {
    flex: 1;
    min-width: 70px;
    padding: 8px 10px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    border: none;
}

#content_sim .rootfinding-btn-step {
    background: #10b981;
    color: #064e3b;
}

#content_sim .rootfinding-btn-step:hover {
    background: #34d399;
}

#content_sim .rootfinding-btn-reset {
    background: transparent;
    border: 1px solid #475569;
    color: #94a3b8;
}

#content_sim .rootfinding-btn-reset:hover {
    background: rgba(71, 85, 105, 0.5);
    color: #e2e8f0;
}

#content_sim .rootfinding-btn-run {
    background: #0ea5e9;
    color: #fff;
}

#content_sim .rootfinding-btn-run:hover {
    background: #38bdf8;
}

#content_sim .rootfinding-btn-run.playing {
    background: #f59e0b;
    color: #000;
}

#content_sim .rootfinding-stats,
#rootfinding-simulation .rootfinding-stats {
    margin-top: 4px;
    max-height: 200px;
    height: 200px;
    overflow-x: auto;
    overflow-y: auto;
    font-size: 10px;
    border: 1px solid #334155;
    border-radius: 4px;
    background: rgba(15, 23, 42, 0.6);
}

#content_sim .rootfinding-stats table,
#rootfinding-simulation .rootfinding-stats table {
    width: 100%;
    border-collapse: collapse;
}

#content_sim .rootfinding-stats th,
#rootfinding-simulation .rootfinding-stats th {
    text-align: left;
    color: #ffffff;
    padding: 2px 4px;
    border-bottom: 1px solid #334155;
    font-size: 12px;
}

#content_sim .rootfinding-stats td,
#rootfinding-simulation .rootfinding-stats td {
    padding: 2px 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    color: #ffffff;
    white-space: nowrap;
}

#content_sim .rootfinding-canvas-wrap,
#rootfinding-simulation .rootfinding-canvas-wrap {
    flex: 1;
    min-width: 280px;
    min-height: 360px;
    position: relative;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 6px;
}

#content_sim .rootfinding-canvas-wrap canvas,
#rootfinding-simulation .rootfinding-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 360px;
    border-radius: 6px;
}

#content_sim .rootfinding-toast {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 14px;
    background: rgba(239, 68, 68, 0.9);
    color: #fff;
    font-size: 11px;
    border-radius: 4px;
    z-index: 10;
    max-width: 90%;
    display: none;
}

#content_sim .rootfinding-toast.show {
    display: block;
}

#content_sim .rootfinding-toast.warning {
    background: rgba(245, 158, 11, 0.9);
    color: #000;
}