/* ==========================================================================
   MSP Valuation Calculator — Frontend Styles
   Brand: The Value Alchemists | valuealchemists.com
   Colours: #000000 (bg) · #D39708 (gold) · #FFFFFF (text) · Montserrat
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --msp-bg:           #000000;
    --msp-surface:      #111111;
    --msp-surface-2:    #1A1A1A;
    --msp-border:       #2A2A2A;
    --msp-gold:         #D39708;
    --msp-gold-light:   #F0B92A;
    --msp-gold-dim:     rgba(211, 151, 8, 0.15);
    --msp-white:        #FFFFFF;
    --msp-muted:        #9CA3AF;
    --msp-risk-low:     #22C55E;
    --msp-risk-mod:     #F59E0B;
    --msp-risk-high:    #EF4444;
    --msp-font:         'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --msp-radius:       10px;
    --msp-radius-sm:    6px;
    --msp-transition:   0.25s ease;
}

/* --------------------------------------------------------------------------
   Wrapper
   -------------------------------------------------------------------------- */
.msp-wrap {
    background:    var(--msp-bg);
    color:         var(--msp-white);
    font-family:   var(--msp-font);
    font-size:     15px;
    line-height:   1.6;
    padding:       40px 36px;
    border-radius: 16px;
    max-width:     860px;
    margin:        0 auto;
    box-sizing:    border-box;
}

.msp-wrap *,
.msp-wrap *::before,
.msp-wrap *::after {
    box-sizing: inherit;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.msp-header {
    text-align:    center;
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--msp-border);
}

.msp-title {
    font-size:     28px;
    font-weight:   700;
    color:         var(--msp-white);
    margin:        0 0 10px;
    line-height:   1.25;
}

.msp-subtitle {
    font-size:   15px;
    color:       var(--msp-muted);
    margin:      0;
    font-weight: 400;
}

/* --------------------------------------------------------------------------
   Section blocks
   -------------------------------------------------------------------------- */
.msp-section {
    background:    var(--msp-surface);
    border:        1px solid var(--msp-border);
    border-radius: var(--msp-radius);
    padding:       24px 28px;
    margin-bottom: 16px;
}

.msp-section-risk {
    border-color: rgba(211, 151, 8, 0.3);
}

.msp-section-title {
    font-size:     13px;
    font-weight:   700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:         var(--msp-gold);
    margin:        0 0 20px;
    display:       flex;
    align-items:   center;
    gap:           10px;
}

/* --------------------------------------------------------------------------
   Fields
   -------------------------------------------------------------------------- */
.msp-field-row {
    display:   grid;
    grid-template-columns: 1fr 1fr;
    gap:       20px;
}

.msp-field-grid {
    display:   grid;
    grid-template-columns: 1fr 1fr;
    gap:       20px;
}

.msp-field {
    display:        flex;
    flex-direction: column;
    gap:            6px;
}

.msp-field label {
    font-size:   13px;
    font-weight: 600;
    color:       var(--msp-white);
}

.msp-help {
    font-size:  12px;
    color:      var(--msp-muted);
    margin:     0;
    line-height: 1.4;
}

.msp-risk-note {
    font-size:    12px;
    color:        var(--msp-gold);
    margin:       4px 0 0;
    font-style:   italic;
    line-height:  1.4;
}

/* --------------------------------------------------------------------------
   Inputs
   -------------------------------------------------------------------------- */
.msp-input-wrap {
    display:     flex;
    align-items: stretch;
}

.msp-affix {
    display:         flex;
    align-items:     center;
    padding:         0 12px;
    background:      var(--msp-surface-2);
    border:          1px solid var(--msp-border);
    color:           var(--msp-muted);
    font-size:       14px;
    font-weight:     600;
    font-family:     var(--msp-font);
    white-space:     nowrap;
}

.msp-prefix {
    border-right: none;
    border-radius: var(--msp-radius-sm) 0 0 var(--msp-radius-sm);
}

.msp-suffix {
    border-left:  none;
    border-radius: 0 var(--msp-radius-sm) var(--msp-radius-sm) 0;
}

.msp-input {
    flex:            1;
    background:      var(--msp-surface-2);
    border:          1px solid var(--msp-border);
    color:           var(--msp-white);
    font-family:     var(--msp-font);
    font-size:       15px;
    font-weight:     500;
    padding:         10px 14px;
    border-radius:   var(--msp-radius-sm);
    transition:      border-color var(--msp-transition), box-shadow var(--msp-transition);
    width:           100%;
    -moz-appearance: textfield;
}

.msp-input::-webkit-outer-spin-button,
.msp-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

.msp-prefix-wrap .msp-input {
    border-radius: 0 var(--msp-radius-sm) var(--msp-radius-sm) 0;
}

.msp-suffix-wrap .msp-input {
    border-radius: var(--msp-radius-sm) 0 0 var(--msp-radius-sm);
}

.msp-input:focus {
    outline:     none;
    border-color: var(--msp-gold);
    box-shadow:  0 0 0 3px var(--msp-gold-dim);
}

.msp-input::placeholder {
    color: #4B5563;
}

/* Select */
.msp-select {
    background:      var(--msp-surface-2);
    border:          1px solid var(--msp-border);
    color:           var(--msp-white);
    font-family:     var(--msp-font);
    font-size:       14px;
    font-weight:     500;
    padding:         10px 36px 10px 14px;
    border-radius:   var(--msp-radius-sm);
    cursor:          pointer;
    width:           100%;
    appearance:      none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24'%3E%3Cpath fill='%23D39708' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat:   no-repeat;
    background-position: right 10px center;
    transition:      border-color var(--msp-transition), box-shadow var(--msp-transition);
}

.msp-select:focus {
    outline:     none;
    border-color: var(--msp-gold);
    box-shadow:  0 0 0 3px var(--msp-gold-dim);
}

.msp-select option {
    background: #1A1A1A;
    color:      var(--msp-white);
}

/* --------------------------------------------------------------------------
   Risk badge
   -------------------------------------------------------------------------- */
.msp-badge {
    font-size:       11px;
    font-weight:     500;
    text-transform:  none;
    letter-spacing:  0;
    color:           var(--msp-gold);
    background:      var(--msp-gold-dim);
    border:          1px solid rgba(211, 151, 8, 0.4);
    border-radius:   20px;
    padding:         2px 10px;
}

/* --------------------------------------------------------------------------
   Calculate button
   -------------------------------------------------------------------------- */
.msp-action {
    margin: 24px 0;
}

.msp-btn {
    display:         inline-flex;
    align-items:     center;
    justify-content: center;
    gap:             8px;
    font-family:     var(--msp-font);
    font-size:       15px;
    font-weight:     700;
    padding:         14px 32px;
    border-radius:   var(--msp-radius-sm);
    border:          2px solid var(--msp-gold);
    cursor:          pointer;
    text-decoration: none;
    transition:      background var(--msp-transition), color var(--msp-transition), transform var(--msp-transition), box-shadow var(--msp-transition);
    white-space:     nowrap;
}

.msp-btn-primary {
    background: var(--msp-gold);
    color:      #000000;
    width:      100%;
}

.msp-btn-primary:hover {
    background:  var(--msp-gold-light);
    border-color: var(--msp-gold-light);
    transform:   translateY(-1px);
    box-shadow:  0 4px 16px rgba(211, 151, 8, 0.35);
    color:       #000000;
}

.msp-btn-secondary {
    background: transparent;
    color:      var(--msp-gold);
}

.msp-btn-secondary:hover {
    background: var(--msp-gold-dim);
    transform:  translateY(-1px);
    color:      var(--msp-gold-light);
}

/* --------------------------------------------------------------------------
   Error message
   -------------------------------------------------------------------------- */
.msp-error {
    background:    rgba(239, 68, 68, 0.12);
    border:        1px solid rgba(239, 68, 68, 0.5);
    border-radius: var(--msp-radius-sm);
    color:         #FCA5A5;
    padding:       12px 16px;
    margin-bottom: 16px;
    font-size:     14px;
}

/* --------------------------------------------------------------------------
   Results section
   -------------------------------------------------------------------------- */
.msp-results {
    display:       none;
    margin-top:    32px;
    border-top:    2px solid var(--msp-gold);
    padding-top:   32px;
    animation:     mspFadeIn 0.4s ease;
}

.msp-results.msp-visible {
    display: block;
}

@keyframes mspFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.msp-results-header {
    text-align:    center;
    margin-bottom: 28px;
}

.msp-results-title {
    font-size:   22px;
    font-weight: 700;
    color:       var(--msp-white);
    margin:      0 0 8px;
}

.msp-mult-summary {
    font-size:   13px;
    color:       var(--msp-gold);
    font-weight: 500;
    margin:      0;
}

/* --------------------------------------------------------------------------
   Result cards
   -------------------------------------------------------------------------- */
.msp-result-cards {
    display:               grid;
    grid-template-columns: 1fr 1.15fr 1fr;
    gap:                   12px;
    margin-bottom:         16px;
}

.msp-result-card {
    background:    var(--msp-surface);
    border:        1px solid var(--msp-border);
    border-radius: var(--msp-radius);
    padding:       20px 16px;
    text-align:    center;
    position:      relative;
}

.msp-card-mid {
    background:    var(--msp-surface-2);
    border-color:  var(--msp-gold);
    box-shadow:    0 0 20px rgba(211, 151, 8, 0.15);
}

.msp-card-tag {
    position:        absolute;
    top:             -12px;
    left:            50%;
    transform:       translateX(-50%);
    background:      var(--msp-gold);
    color:           #000000;
    font-size:       11px;
    font-weight:     700;
    text-transform:  uppercase;
    letter-spacing:  0.06em;
    padding:         3px 12px;
    border-radius:   20px;
    white-space:     nowrap;
}

.msp-card-label {
    font-size:     12px;
    font-weight:   600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color:         var(--msp-muted);
    margin-bottom: 8px;
}

.msp-card-mid .msp-card-label {
    color: var(--msp-gold);
}

.msp-card-value {
    font-size:   26px;
    font-weight: 700;
    color:       var(--msp-white);
    line-height: 1.1;
    margin-bottom: 4px;
}

.msp-card-mid .msp-card-value {
    font-size: 32px;
    color:     var(--msp-gold);
}

.msp-card-mult {
    font-size:   13px;
    font-weight: 500;
    color:       var(--msp-muted);
    margin-bottom: 10px;
}

.msp-card-mid .msp-card-mult {
    color: var(--msp-gold-light);
}

.msp-card-desc {
    font-size:   11px;
    color:       #6B7280;
    line-height: 1.4;
}

/* Revenue multiple cross-check */
.msp-rev-check {
    text-align:    center;
    font-size:     12px;
    color:         var(--msp-muted);
    margin:        8px 0 24px;
    font-style:    italic;
}

/* --------------------------------------------------------------------------
   Breakdown table
   -------------------------------------------------------------------------- */
.msp-breakdown {
    background:    var(--msp-surface);
    border:        1px solid var(--msp-border);
    border-radius: var(--msp-radius);
    padding:       20px 24px;
    margin-bottom: 16px;
}

.msp-breakdown-title {
    font-size:     13px;
    font-weight:   700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color:         var(--msp-gold);
    margin:        0 0 16px;
}

.msp-breakdown-table {
    width:           100%;
    border-collapse: collapse;
    font-size:       13px;
}

.msp-breakdown-table th {
    text-align:      left;
    padding:         8px 12px;
    color:           var(--msp-muted);
    font-weight:     600;
    font-size:       11px;
    text-transform:  uppercase;
    letter-spacing:  0.06em;
    border-bottom:   1px solid var(--msp-border);
}

.msp-breakdown-table td {
    padding:       10px 12px;
    color:         var(--msp-white);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
}

.msp-breakdown-table tr:last-child td {
    border-bottom: none;
}

.msp-breakdown-table td:nth-child(2) {
    color: var(--msp-muted);
}

.msp-breakdown-table td:nth-child(3) {
    text-align:  right;
    font-weight: 700;
    font-size:   14px;
    min-width:   70px;
}

.msp-adj-pos  { color: #4ADE80; }
.msp-adj-neg  { color: #F87171; }
.msp-adj-zero { color: var(--msp-muted); }

/* --------------------------------------------------------------------------
   Risk flag
   -------------------------------------------------------------------------- */
.msp-risk-flag {
    border-radius: var(--msp-radius-sm);
    padding:       14px 18px;
    margin-bottom: 16px;
    font-size:     14px;
    font-weight:   500;
    line-height:   1.5;
    display:       none;
}

.msp-risk-flag.msp-visible {
    display: block;
}

.msp-risk-low {
    background: rgba(34, 197, 94, 0.1);
    border:     1px solid rgba(34, 197, 94, 0.4);
    color:      #86EFAC;
}

.msp-risk-moderate {
    background: rgba(245, 158, 11, 0.1);
    border:     1px solid rgba(245, 158, 11, 0.4);
    color:      #FCD34D;
}

.msp-risk-high {
    background: rgba(239, 68, 68, 0.1);
    border:     1px solid rgba(239, 68, 68, 0.4);
    color:      #FCA5A5;
}

/* --------------------------------------------------------------------------
   CTA section
   -------------------------------------------------------------------------- */
.msp-cta {
    background:    var(--msp-surface);
    border:        1px solid var(--msp-gold);
    border-radius: var(--msp-radius);
    padding:       32px 28px;
    text-align:    center;
    margin-bottom: 20px;
    box-shadow:    0 0 30px rgba(211, 151, 8, 0.1);
}

.msp-cta-title {
    font-size:   20px;
    font-weight: 700;
    color:       var(--msp-white);
    margin:      0 0 10px;
}

.msp-cta-text {
    font-size:     14px;
    color:         var(--msp-muted);
    margin:        0 0 24px;
    max-width:     480px;
    margin-left:   auto;
    margin-right:  auto;
    line-height:   1.6;
}

.msp-cta-btns {
    display:         flex;
    gap:             12px;
    justify-content: center;
    flex-wrap:       wrap;
}

.msp-cta-btns .msp-btn {
    width: auto;
    min-width: 200px;
}

/* --------------------------------------------------------------------------
   Disclaimer
   -------------------------------------------------------------------------- */
.msp-disclaimer {
    font-size:   11px;
    color:       #4B5563;
    line-height: 1.6;
    text-align:  center;
    margin:      0;
    font-style:  italic;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 680px) {
    .msp-wrap {
        padding: 24px 18px;
    }

    .msp-field-row,
    .msp-field-grid {
        grid-template-columns: 1fr;
    }

    .msp-result-cards {
        grid-template-columns: 1fr;
    }

    .msp-card-mid {
        order: -1;
    }

    .msp-title {
        font-size: 22px;
    }

    .msp-card-value {
        font-size: 22px;
    }

    .msp-card-mid .msp-card-value {
        font-size: 26px;
    }

    .msp-cta-btns {
        flex-direction: column;
        align-items:    stretch;
    }

    .msp-cta-btns .msp-btn {
        width: 100%;
    }
}