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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: #f5f7fa;
    color: #1e4b69;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e4b69;
    margin-bottom: 4px;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #5a7a8a;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.funnel-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 28px;
}

.funnel-row {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    position: relative;
}

.funnel-label {
    width: 160px;
    text-align: right;
    font-size: 0.82rem;
    font-weight: 600;
    color: #1e4b69;
    flex-shrink: 0;
}

.funnel-bar-wrapper {
    flex: 1;
    position: relative;
    height: 38px;
}

.funnel-bar {
    height: 100%;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    padding-left: 12px;
}

.funnel-bar:hover {
    filter: brightness(1.1);
    transform: scaleY(1.08);
}

.funnel-bar-text {
    font-size: 0.78rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.funnel-rate {
    width: 80px;
    text-align: left;
    flex-shrink: 0;
}

.rate-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
}

.rate-green {
    background: #dcfce7;
    color: #166534;
}

.rate-yellow {
    background: #fef9c3;
    color: #854d0e;
}

.rate-red {
    background: #fee2e2;
    color: #991b1b;
}

.whatif-panel {
    background: #fff;
    border: 1px solid #d1dde5;
    border-radius: 10px;
    padding: 18px 22px;
    box-shadow: 0 2px 8px rgba(30,75,105,0.06);
}

.whatif-panel h3 {
    font-size: 1rem;
    color: #1e4b69;
    margin-bottom: 12px;
}

.whatif-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.whatif-controls label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #3a6a82;
}

.whatif-controls select {
    padding: 5px 10px;
    border: 1px solid #c0d0da;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #1e4b69;
    background: #f5f7fa;
}

.whatif-controls input[type="range"] {
    flex: 1;
    min-width: 140px;
    accent-color: #1e4b69;
}

#rateValue {
    font-weight: 700;
    color: #1e4b69;
}

.whatif-result {
    font-size: 0.85rem;
    color: #3a6a82;
    line-height: 1.6;
}

.whatif-result strong {
    color: #1e4b69;
}

.whatif-delta-positive {
    color: #166534;
    font-weight: 700;
}

.whatif-delta-negative {
    color: #991b1b;
    font-weight: 700;
}

.tooltip {
    position: fixed;
    background: #1e4b69;
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    line-height: 1.5;
    max-width: 280px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.tooltip.visible {
    opacity: 1;
}

@media (max-width: 600px) {
    .funnel-label {
        width: 100px;
        font-size: 0.72rem;
    }

    .funnel-bar-text {
        font-size: 0.68rem;
    }

    .whatif-controls {
        flex-direction: column;
        align-items: flex-start;
    }
}