#fu-nursing-tool-wrapper {
    --fu-red: #C41E3A;
    --fu-grey: #4A4A4A;
    --dark-slate: #1F2937;
    --light-bg: #F3F4F6;
    --glass-bg: rgba(255, 255, 255, 1);
    --border-color: #E5E7EB;
    --text-primary: #374151;
    --text-secondary: #4B5563;
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.05);
    --radius-lg: 12px;
    --radius-sm: 6px;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    max-width: 1050px;
    margin: 1.5rem auto;
    padding: 1.5rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #FAFAFC 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    line-height: 1.5;
}

#fu-nursing-tool-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.fu-dash-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.fu-dash-card {
    background: var(--glass-bg);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.01);
    border: 1px solid var(--border-color);
    text-align: center;
    border-top: 5px solid var(--fu-grey);
    transition: transform 0.2s ease;
}

.fu-dash-card.stags-top {
    border-top-color: var(--fu-red);
}

.fu-dash-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(196, 30, 58, 0.06);
}

.fu-dash-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.fu-dash-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark-slate);
}

.fu-dash-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.fu-layout-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media(min-width: 850px) {
    .fu-layout-main {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.fu-panel {
    background: var(--glass-bg);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.fu-panel-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--dark-slate);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--light-bg);
    padding-bottom: 0.5rem;
}

.fu-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.fu-group {
    margin-bottom: 1.25rem;
}

.fu-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--dark-slate);
}

.fu-select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    background-color: #FFF;
    outline: none;
    transition: border-color 0.2s;
}

.fu-select:focus {
    border-color: var(--fu-red);
}

.fu-slider-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.fu-range {
    flex: 1;
    accent-color: var(--fu-red);
    cursor: pointer;
    height: 5px;
    background: var(--border-color);
}

.fu-range-badge {
    background: rgba(196, 30, 58, 0.06);
    color: var(--fu-red);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    min-width: 65px;
    text-align: center;
}

.fu-output-box {
    background: linear-gradient(180deg, #FFFFFF 0%, #FFF5F5 100%);
    border: 1px solid #FCD3D3;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    margin-top: 1rem;
}

.fu-gauge-container {
    width: 100%;
    background: var(--border-color);
    height: 12px;
    border-radius: 50px;
    margin: 1rem 0;
    overflow: hidden;
}

.fu-gauge-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #FFA0A0, var(--fu-red));
    border-radius: 50px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.fu-chance-label {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark-slate);
}

.fu-status-pill {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.fu-status-reach { background: #fee2e2; color: #991b1b; }
.fu-status-target { background: #fef3c7; color: #92400e; }
.fu-status-strong { background: #d1fae5; color: #065f46; }

.fu-analysis-feedback {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    text-align: left;
    border-top: 1px dashed rgba(196, 30, 58, 0.15);
    padding-top: 0.75rem;
}

.fu-tabs-menu {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1rem;
}

.fu-tab-trigger {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    outline: none;
}

.fu-tab-trigger.active-tab {
    color: var(--fu-red);
}

.fu-tab-trigger.active-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--fu-red);
}

.fu-tab-panel {
    display: none;
}

.fu-tab-panel.active-panel {
    display: block;
}

.fu-matrix-row {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.fu-matrix-row:last-child {
    border-bottom: none;
}

.fu-matrix-label {
    font-weight: 600;
}

.fu-matrix-val {
    font-weight: 700;
    color: var(--fu-red);
}