/* ============================================================
   Forge Break-Even Calculator — Frontend Styles
   v1.0.0 | Forge Industrial Staffing
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
    --fbc-accent:      #E8431A;
    --fbc-navy:        #0D2137;
    --fbc-navy-light:  #1B3A5C;
    --fbc-steel:       #4A7FA5;
    --fbc-bg:          #F4F7FA;
    --fbc-white:       #FFFFFF;
    --fbc-border:      #D9E3EE;
    --fbc-text:        #1A2B3C;
    --fbc-text-muted:  #5A7089;
    --fbc-dh-color:    #0D2137;
    --fbc-sf-color:    var(--fbc-accent);
    --fbc-success:     #1A7F5A;
    --fbc-warn:        #B45309;
    --fbc-radius:      10px;
    --fbc-shadow:      0 4px 24px rgba(13,33,55,0.10);
    --fbc-shadow-hover:0 8px 32px rgba(13,33,55,0.16);
    --fbc-font-head:   'Barlow Condensed', sans-serif;
    --fbc-font-body:   'DM Sans', sans-serif;
    --fbc-transition:  all 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ── Base ── */
.fbc-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.fbc-wrapper {
    font-family: var(--fbc-font-body);
    color: var(--fbc-text);
    max-width: 1080px;
    margin: 0 auto 48px;
    background: var(--fbc-white);
    border-radius: 16px;
    box-shadow: var(--fbc-shadow);
    overflow: hidden;
}

/* ── Header ── */
.fbc-header {
    background: var(--fbc-navy);
    padding: 48px 52px 44px;
    position: relative;
    overflow: hidden;
}
.fbc-header::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: var(--fbc-accent);
    opacity: 0.08;
}
.fbc-header::after {
    content: '';
    position: absolute;
    bottom: -40px; left: 200px;
    width: 180px; height: 180px;
    border-radius: 50%;
    background: var(--fbc-steel);
    opacity: 0.10;
}
.fbc-header-badge {
    display: inline-block;
    background: var(--fbc-accent);
    color: #fff;
    font-family: var(--fbc-font-head);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 18px;
}
.fbc-title {
    font-family: var(--fbc-font-head);
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}
.fbc-intro {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    max-width: 620px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ── Body / Form ── */
.fbc-body {
    padding: 40px 52px;
    background: var(--fbc-bg);
}
@media (max-width: 768px) {
    .fbc-header { padding: 32px 24px 28px; }
    .fbc-body   { padding: 24px 20px; }
}

/* ── Sections ── */
.fbc-section {
    background: var(--fbc-white);
    border-radius: var(--fbc-radius);
    padding: 28px 32px;
    margin-bottom: 20px;
    border: 1px solid var(--fbc-border);
    transition: var(--fbc-transition);
}
.fbc-section:hover {
    box-shadow: 0 2px 12px rgba(13,33,55,0.07);
}
.fbc-section-dh  { border-left: 4px solid var(--fbc-navy); }
.fbc-section-sf  { border-left: 4px solid var(--fbc-accent); }
.fbc-section-advanced { padding: 0; border: none; background: transparent; box-shadow: none; }

.fbc-section-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}
.fbc-section-num {
    font-family: var(--fbc-font-head);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--fbc-accent);
    background: rgba(232,67,26,0.08);
    padding: 3px 8px;
    border-radius: 4px;
    white-space: nowrap;
}
.fbc-section-header h3 {
    font-family: var(--fbc-font-head);
    font-size: 20px;
    font-weight: 700;
    color: var(--fbc-navy);
    letter-spacing: 0.3px;
}

/* ── Grid ── */
.fbc-grid {
    display: grid;
    gap: 18px 24px;
}
.fbc-grid-1 { grid-template-columns: 1fr; }
.fbc-grid-2 { grid-template-columns: 1fr 1fr; }
.fbc-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 640px) {
    .fbc-grid-2,
    .fbc-grid-3 { grid-template-columns: 1fr; }
}

/* ── Fields ── */
.fbc-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.fbc-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--fbc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.fbc-field input[type="text"],
.fbc-field input[type="number"],
.fbc-field input[type="email"],
.fbc-field input[type="tel"],
.fbc-field select {
    height: 44px;
    padding: 0 14px;
    border: 1.5px solid var(--fbc-border);
    border-radius: 8px;
    font-family: var(--fbc-font-body);
    font-size: 15px;
    color: var(--fbc-text);
    background: var(--fbc-white);
    transition: var(--fbc-transition);
    outline: none;
    width: 100%;
}
.fbc-field input:focus,
.fbc-field select:focus {
    border-color: var(--fbc-accent);
    box-shadow: 0 0 0 3px rgba(232,67,26,0.12);
}
.fbc-field input.fbc-error {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220,38,38,0.10);
}
.fbc-per {
    font-size: 12px;
    color: var(--fbc-text-muted);
    margin-top: 2px;
}
.fbc-hint {
    font-size: 12px;
    color: var(--fbc-warn);
    font-style: italic;
    margin-top: 4px;
}
.fbc-optional {
    font-size: 11px;
    font-weight: 400;
    color: #aab;
    font-style: italic;
    text-transform: none;
    letter-spacing: 0;
}
.fbc-required { color: var(--fbc-accent); }

/* Input with prefix/suffix */
.fbc-input-prefix,
.fbc-input-suffix {
    display: flex;
    align-items: stretch;
}
.fbc-input-prefix span,
.fbc-input-suffix span {
    display: flex;
    align-items: center;
    padding: 0 12px;
    background: var(--fbc-bg);
    border: 1.5px solid var(--fbc-border);
    font-size: 14px;
    font-weight: 600;
    color: var(--fbc-text-muted);
}
.fbc-input-prefix span {
    border-right: none;
    border-radius: 8px 0 0 8px;
}
.fbc-input-prefix input {
    border-radius: 0 8px 8px 0 !important;
    border-left: none !important;
}
.fbc-input-suffix span {
    border-left: none;
    border-radius: 0 8px 8px 0;
}
.fbc-input-suffix input {
    border-radius: 8px 0 0 8px !important;
    border-right: none !important;
}

/* Computed display */
.fbc-computed-field label {
    color: var(--fbc-text-muted);
}
.fbc-computed {
    height: 44px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    background: linear-gradient(135deg, rgba(13,33,55,0.04), rgba(232,67,26,0.05));
    border: 1.5px dashed var(--fbc-border);
    border-radius: 8px;
}
.fbc-computed-val {
    font-size: 18px;
    font-weight: 700;
    font-family: var(--fbc-font-head);
    color: var(--fbc-navy);
}
.fbc-computed-lg .fbc-computed-val {
    font-size: 22px;
    color: var(--fbc-accent);
}

/* Segmented control */
.fbc-segmented {
    display: flex;
    gap: 0;
}
.fbc-segmented input[type="radio"] {
    display: none;
}
.fbc-seg-label {
    flex: 1;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid var(--fbc-border);
    background: var(--fbc-white);
    color: var(--fbc-text-muted);
    transition: var(--fbc-transition);
    text-align: center;
}
.fbc-seg-label:first-of-type { border-radius: 8px 0 0 8px; }
.fbc-seg-label:last-of-type  { border-radius: 0 8px 8px 0; }
.fbc-segmented input:checked + .fbc-seg-label {
    background: var(--fbc-navy);
    color: #fff;
    border-color: var(--fbc-navy);
}

/* Checkbox */
.fbc-field-checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 8px;
}
.fbc-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 400;
    color: var(--fbc-text);
    text-transform: none;
    letter-spacing: 0;
}
.fbc-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 2px solid var(--fbc-border);
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 1px;
    accent-color: var(--fbc-accent);
    cursor: pointer;
}

/* Tooltip */
.fbc-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--fbc-border);
    color: var(--fbc-text-muted);
    font-size: 10px;
    font-weight: 700;
    cursor: help;
    position: relative;
    margin-left: 4px;
    vertical-align: middle;
}
.fbc-tooltip:hover::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--fbc-navy);
    color: #fff;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.5;
    padding: 8px 12px;
    border-radius: 6px;
    white-space: normal;
    min-width: 200px;
    max-width: 280px;
    z-index: 100;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

/* Advanced toggle */
.fbc-advanced-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: transparent;
    border: 1.5px dashed var(--fbc-border);
    border-radius: var(--fbc-radius);
    padding: 14px 20px;
    font-family: var(--fbc-font-body);
    font-size: 14px;
    font-weight: 600;
    color: var(--fbc-text-muted);
    cursor: pointer;
    transition: var(--fbc-transition);
}
.fbc-advanced-toggle:hover {
    border-color: var(--fbc-accent);
    color: var(--fbc-accent);
    background: rgba(232,67,26,0.03);
}
.fbc-advanced-toggle .fbc-toggle-icon {
    font-size: 10px;
    transition: transform 0.2s;
}
.fbc-advanced-toggle.open .fbc-toggle-icon { transform: rotate(90deg); }
.fbc-advanced-badge {
    margin-left: auto;
    font-size: 11px;
    background: rgba(232,67,26,0.10);
    color: var(--fbc-accent);
    padding: 2px 8px;
    border-radius: 100px;
}
.fbc-advanced-content {
    display: none;
    padding: 20px;
    background: var(--fbc-white);
    border: 1.5px solid var(--fbc-border);
    border-top: none;
    border-radius: 0 0 var(--fbc-radius) var(--fbc-radius);
    margin-top: -8px;
}
.fbc-advanced-content.open { display: block; }
.fbc-adv-group {
    display: none;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--fbc-border);
}
.fbc-adv-group.show { display: block; }

/* CTA row */
.fbc-cta-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 8px;
}
.fbc-btn-calculate {
    flex: 1;
    height: 56px;
    background: var(--fbc-accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-family: var(--fbc-font-head);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--fbc-transition);
    box-shadow: 0 4px 16px rgba(232,67,26,0.30);
}
.fbc-btn-calculate:hover {
    background: #c9390e;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(232,67,26,0.40);
}
.fbc-btn-calculate:active { transform: translateY(0); }
.fbc-btn-calculate.loading {
    opacity: 0.8;
    pointer-events: none;
}
.fbc-btn-icon { font-size: 18px; }
.fbc-btn-reset {
    padding: 0 24px;
    height: 56px;
    background: transparent;
    border: 1.5px solid var(--fbc-border);
    border-radius: 10px;
    font-family: var(--fbc-font-body);
    font-size: 14px;
    color: var(--fbc-text-muted);
    cursor: pointer;
    transition: var(--fbc-transition);
}
.fbc-btn-reset:hover { border-color: var(--fbc-navy); color: var(--fbc-navy); }

/* ── Results ── */
.fbc-results {
    padding: 32px 52px 48px;
    background: var(--fbc-bg);
    border-top: 1px solid var(--fbc-border);
}
@media (max-width: 768px) {
    .fbc-results { padding: 24px 20px 36px; }
}

/* Teaser card */
.fbc-teaser-card {
    background: linear-gradient(135deg, var(--fbc-navy), var(--fbc-navy-light));
    border-radius: var(--fbc-radius);
    padding: 32px;
    margin-bottom: 24px;
    text-align: center;
}
.fbc-teaser-icon { font-size: 36px; margin-bottom: 12px; }
.fbc-teaser-headline {
    font-family: var(--fbc-font-head);
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}
.fbc-teaser-sub {
    color: rgba(255,255,255,0.75);
    font-size: 15px;
    max-width: 480px;
    margin: 0 auto;
}

/* Lead form */
.fbc-lead-section { margin-bottom: 32px; }
.fbc-lead-card {
    background: var(--fbc-white);
    border-radius: var(--fbc-radius);
    padding: 36px 40px;
    border: 1px solid var(--fbc-border);
    box-shadow: var(--fbc-shadow);
}
.fbc-lead-title {
    font-family: var(--fbc-font-head);
    font-size: 26px;
    font-weight: 800;
    color: var(--fbc-navy);
    margin-bottom: 6px;
}
.fbc-lead-sub {
    color: var(--fbc-text-muted);
    font-size: 15px;
    margin-bottom: 28px;
}
.fbc-lead-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 20px;
    margin-bottom: 24px;
}
.fbc-field-full { grid-column: 1 / -1; }
@media (max-width: 560px) {
    .fbc-lead-grid { grid-template-columns: 1fr; }
}
.fbc-lead-error {
    color: #dc2626;
    font-size: 14px;
    margin-bottom: 12px;
    display: none;
}
.fbc-btn-lead {
    width: 100%;
    height: 52px;
    background: var(--fbc-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: var(--fbc-font-head);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--fbc-transition);
    box-shadow: 0 4px 14px rgba(232,67,26,0.28);
}
.fbc-btn-lead:hover { background: #c9390e; transform: translateY(-1px); }
.fbc-btn-lead:disabled { opacity: 0.7; pointer-events: none; }

/* Success message */
.fbc-success-msg {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #ecfdf5;
    border: 1.5px solid #6ee7b7;
    border-radius: 8px;
    padding: 14px 20px;
    margin-bottom: 24px;
    color: var(--fbc-success);
    font-weight: 600;
    font-size: 15px;
}
.fbc-success-icon { font-size: 20px; }

/* Summary cards */
.fbc-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
@media (max-width: 900px) {
    .fbc-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .fbc-cards { grid-template-columns: 1fr; }
}
.fbc-card {
    background: var(--fbc-white);
    border-radius: var(--fbc-radius);
    padding: 24px 20px;
    border: 1px solid var(--fbc-border);
    text-align: center;
    transition: var(--fbc-transition);
    animation: fbc-fade-in 0.4s ease both;
}
.fbc-card:hover { box-shadow: var(--fbc-shadow-hover); transform: translateY(-2px); }
.fbc-card-breakeven { border-top: 3px solid var(--fbc-navy); }
.fbc-card-savings   { border-top: 3px solid var(--fbc-accent); }
.fbc-card-vacancy   { border-top: 3px solid var(--fbc-warn); }
.fbc-card-recommend { border-top: 3px solid var(--fbc-success); }
.fbc-card-icon { font-size: 24px; margin-bottom: 10px; }
.fbc-card-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--fbc-text-muted);
    margin-bottom: 8px;
}
.fbc-card-value {
    font-family: var(--fbc-font-head);
    font-size: 26px;
    font-weight: 800;
    color: var(--fbc-navy);
    line-height: 1.1;
    margin-bottom: 6px;
}
.fbc-card-value-sm { font-size: 20px; }
.fbc-card-sub {
    font-size: 12px;
    color: var(--fbc-text-muted);
    line-height: 1.4;
}

/* Insight */
.fbc-insight {
    background: var(--fbc-white);
    border-radius: var(--fbc-radius);
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 24px;
    border: 1px solid var(--fbc-border);
    border-left: 4px solid var(--fbc-accent);
    animation: fbc-fade-in 0.5s ease both;
}
.fbc-insight-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.fbc-insight p { font-size: 15px; color: var(--fbc-text); line-height: 1.6; }

/* Chart */
.fbc-chart-section {
    background: var(--fbc-white);
    border-radius: var(--fbc-radius);
    padding: 28px 28px 20px;
    margin-bottom: 20px;
    border: 1px solid var(--fbc-border);
    animation: fbc-fade-in 0.5s ease both;
}
.fbc-chart-title {
    font-family: var(--fbc-font-head);
    font-size: 18px;
    font-weight: 700;
    color: var(--fbc-navy);
    margin-bottom: 20px;
}
.fbc-chart-wrap {
    position: relative;
    height: 320px;
}
.fbc-chart-legend {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin-top: 16px;
}
.fbc-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--fbc-text-muted);
}
.fbc-legend-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
}
.fbc-legend-dh .fbc-legend-dot { background: var(--fbc-navy); }
.fbc-legend-sf .fbc-legend-dot { background: var(--fbc-accent); }

/* Breakdown table */
.fbc-breakdown {
    background: var(--fbc-white);
    border-radius: var(--fbc-radius);
    border: 1px solid var(--fbc-border);
    margin-bottom: 20px;
    overflow: hidden;
    animation: fbc-fade-in 0.5s ease both;
}
.fbc-breakdown-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 24px;
    background: transparent;
    border: none;
    font-family: var(--fbc-font-head);
    font-size: 17px;
    font-weight: 700;
    color: var(--fbc-navy);
    cursor: pointer;
    text-align: left;
    transition: var(--fbc-transition);
}
.fbc-breakdown-toggle:hover { background: var(--fbc-bg); }
.fbc-breakdown-toggle .fbc-toggle-icon { font-size: 10px; transition: transform 0.2s; }
.fbc-breakdown-toggle.open .fbc-toggle-icon { transform: rotate(90deg); }
.fbc-breakdown-content { display: none; border-top: 1px solid var(--fbc-border); }
.fbc-breakdown-content.open { display: block; }
.fbc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.fbc-table th {
    background: var(--fbc-navy);
    color: #fff;
    padding: 12px 20px;
    text-align: left;
    font-family: var(--fbc-font-head);
    font-size: 13px;
    letter-spacing: 0.5px;
}
.fbc-table th:not(:first-child) { text-align: right; }
.fbc-table td {
    padding: 11px 20px;
    border-bottom: 1px solid var(--fbc-border);
    color: var(--fbc-text);
}
.fbc-table td:not(:first-child) { text-align: right; font-weight: 600; }
.fbc-table tbody tr:nth-child(even) td { background: var(--fbc-bg); }
.fbc-table-total td {
    font-weight: 700;
    font-size: 15px;
    background: rgba(13,33,55,0.04) !important;
    border-top: 2px solid var(--fbc-navy);
    padding: 14px 20px;
}

/* Disclaimer */
.fbc-disclaimer {
    font-size: 12px;
    color: var(--fbc-text-muted);
    line-height: 1.6;
    font-style: italic;
    text-align: center;
    margin: 20px 0;
    padding: 0 20px;
}

/* CTA Footer */
.fbc-cta-footer {
    text-align: center;
    padding: 28px;
    background: linear-gradient(135deg, var(--fbc-navy), var(--fbc-navy-light));
    border-radius: var(--fbc-radius);
    animation: fbc-fade-in 0.6s ease both;
}
.fbc-cta-footer p {
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    margin-bottom: 16px;
}
.fbc-btn-cta {
    display: inline-block;
    background: var(--fbc-accent);
    color: #fff;
    text-decoration: none;
    padding: 14px 36px;
    border-radius: 8px;
    font-family: var(--fbc-font-head);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: var(--fbc-transition);
    box-shadow: 0 4px 16px rgba(232,67,26,0.35);
}
.fbc-btn-cta:hover {
    background: #c9390e;
    transform: translateY(-1px);
    color: #fff;
}

/* Animations */
@keyframes fbc-fade-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Validation error shake */
@keyframes fbc-shake {
    0%,100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    60%      { transform: translateX(6px); }
}
.fbc-shake { animation: fbc-shake 0.3s ease; }