/* =====================================================================
 * L4T Smart Calculators – Frontend CSS (Dark Theme)
 * Autor: L4T.pl | https://l4t.pl
 * ===================================================================== */

/* --- Zmienne koloru -------------------------------------------------- */
.l4tsc-calculator {
    --l4tsc-bg:           #0d0d0d;
    --l4tsc-card-bg:      #141414;
    --l4tsc-card-border:  #2a2a2a;
    --l4tsc-input-bg:     #1e1e1e;
    --l4tsc-input-border: #333333;
    --l4tsc-input-focus:  #f5a623;
    --l4tsc-accent:       #f5a623;
    --l4tsc-accent-hover: #e09212;
    --l4tsc-text:         #e8e8e8;
    --l4tsc-text-muted:   #888888;
    --l4tsc-label:        #b0b0b0;
    --l4tsc-result-bg:    #1a1a1a;
    --l4tsc-result-line:  #2a2a2a;
    --l4tsc-success:      #4ade80;
    --l4tsc-error:        #f87171;
    --l4tsc-radius:       10px;
    --l4tsc-font:         -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* --- Wrapper kalkulatora --------------------------------------------- */
.l4tsc-calculator {
    font-family:      var(--l4tsc-font);
    background:       var(--l4tsc-card-bg);
    border:           1px solid var(--l4tsc-card-border);
    border-radius:    var(--l4tsc-radius);
    padding:          28px 28px 24px;
    margin:           24px 0;
    max-width:        560px;
    box-shadow:       0 4px 24px rgba(0, 0, 0, 0.6);
    color:            var(--l4tsc-text);
    box-sizing:       border-box;
}

/* --- Tytuł kalkulatora ----------------------------------------------- */
.l4tsc-title {
    font-size:      1.15rem;
    font-weight:    700;
    margin:         0 0 22px 0;
    padding-bottom: 14px;
    color:          var(--l4tsc-accent);
    border-bottom:  1px solid var(--l4tsc-card-border);
    letter-spacing: 0.01em;
}

/* --- Formularz -------------------------------------------------------- */
.l4tsc-form {
    display:        flex;
    flex-direction: column;
    gap:            14px;
}

/* --- Grupa pola ------------------------------------------------------- */
.l4tsc-form-group {
    display:        flex;
    flex-direction: column;
    gap:            6px;
}

.l4tsc-form-group label {
    font-size:      0.8125rem;
    font-weight:    600;
    color:          var(--l4tsc-label);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- Inputy i selecty ------------------------------------------------ */
.l4tsc-input {
    width:         100%;
    padding:       11px 14px;
    background:    var(--l4tsc-input-bg);
    border:        1px solid var(--l4tsc-input-border);
    border-radius: 7px;
    color:         var(--l4tsc-text);
    font-size:     1rem;
    font-family:   var(--l4tsc-font);
    box-sizing:    border-box;
    transition:    border-color 0.2s ease, box-shadow 0.2s ease;
    outline:       none;
    -webkit-appearance: none;
    appearance:    none;
}

.l4tsc-input::placeholder {
    color: var(--l4tsc-text-muted);
}

.l4tsc-input:focus {
    border-color: var(--l4tsc-input-focus);
    box-shadow:   0 0 0 3px rgba(245, 166, 35, 0.15);
}

/* Strzałka dla selecta */
select.l4tsc-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat:   no-repeat;
    background-position: right 14px center;
    padding-right:       38px;
    cursor:              pointer;
}

select.l4tsc-input option {
    background: #1e1e1e;
    color:      #e8e8e8;
}

/* Usuwamy strzałki spinbox w Firefox */
.l4tsc-input[type="number"] {
    -moz-appearance: textfield;
}
.l4tsc-input[type="number"]::-webkit-inner-spin-button,
.l4tsc-input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* --- Przycisk Oblicz ------------------------------------------------- */
.l4tsc-btn {
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             8px;
    width:           100%;
    padding:         13px 24px;
    margin-top:      4px;
    background:      var(--l4tsc-accent);
    color:           #000000;
    border:          none;
    border-radius:   7px;
    font-size:       0.9375rem;
    font-weight:     700;
    font-family:     var(--l4tsc-font);
    letter-spacing:  0.03em;
    cursor:          pointer;
    transition:      background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
    box-shadow:      0 2px 8px rgba(245, 166, 35, 0.25);
}

.l4tsc-btn:hover {
    background:  var(--l4tsc-accent-hover);
    box-shadow:  0 4px 16px rgba(245, 166, 35, 0.35);
}

.l4tsc-btn:active {
    transform:  scale(0.98);
    box-shadow: none;
}

/* --- Wyniki ---------------------------------------------------------- */
.l4tsc-result {
    background:   var(--l4tsc-result-bg);
    border:       1px solid var(--l4tsc-card-border);
    border-top:   3px solid var(--l4tsc-accent);
    border-radius: var(--l4tsc-radius);
    padding:      18px 20px;
    margin-top:   6px;
    animation:    l4tsc-slidein 0.25s ease;
}

.l4tsc-result.l4tsc-result-error {
    border-top-color: var(--l4tsc-error);
    background: rgba(248, 113, 113, 0.05);
}

@keyframes l4tsc-slidein {
    from {
        opacity:   0;
        transform: translateY(-6px);
    }
    to {
        opacity:   1;
        transform: translateY(0);
    }
}

/* Wiersz wyniku */
.l4tsc-result-row {
    display:         flex;
    justify-content: space-between;
    align-items:     baseline;
    padding:         8px 0;
    border-bottom:   1px solid var(--l4tsc-result-line);
    font-size:       0.9rem;
    gap:             16px;
}

.l4tsc-result-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.l4tsc-result-label {
    color:       var(--l4tsc-text-muted);
    flex-shrink: 0;
}

.l4tsc-result-value {
    font-weight: 600;
    color:       var(--l4tsc-text);
    text-align:  right;
}

/* Podświetlony wiersz (główny wynik) */
.l4tsc-result-row.l4tsc-highlight .l4tsc-label,
.l4tsc-result-row.l4tsc-highlight .l4tsc-result-label {
    color: var(--l4tsc-text);
    font-weight: 600;
}

.l4tsc-result-row.l4tsc-highlight .l4tsc-result-value {
    color:     var(--l4tsc-accent);
    font-size: 1.2rem;
    font-weight: 800;
}

/* Błąd */
.l4tsc-error-msg {
    color:       var(--l4tsc-error);
    font-size:   0.9rem;
    font-weight: 600;
}

/* --- Skala BMI ------------------------------------------------------- */
.l4tsc-bmi-scale {
    display:       flex;
    gap:           3px;
    margin-top:    12px;
    height:        6px;
    border-radius: 3px;
    overflow:      hidden;
}

.l4tsc-bmi-segment { flex: 1; }
.l4tsc-bmi-seg-1   { background: #3b82f6; }
.l4tsc-bmi-seg-2   { background: #4ade80; }
.l4tsc-bmi-seg-3   { background: #f59e0b; }
.l4tsc-bmi-seg-4   { background: #f87171; }
.l4tsc-bmi-seg-5   { background: #991b1b; }

/* --- Responsive ------------------------------------------------------- */
@media (max-width: 480px) {
    .l4tsc-calculator {
        padding: 18px 16px;
    }

    .l4tsc-result-row {
        flex-direction: column;
        gap:            3px;
    }

    .l4tsc-result-value {
        text-align: left;
    }
}

/* --- Etykiety sekcji formularza (budżet, wielosekcyjne kalkulatory) */
.l4tsc-form-section-label {
    font-size:      0.75rem;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:          var(--l4tsc-accent);
    margin-top:     10px;
    padding:        8px 0 4px;
    border-bottom:  1px solid var(--l4tsc-card-border);
}

.l4tsc-form-section-label:first-child {
    margin-top: 0;
}

/* --- Sekcje w wynikach (np. podział budżetu) */
.l4tsc-result-section-title {
    font-size:      0.75rem;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:          var(--l4tsc-accent);
    margin:         14px 0 4px;
    padding-top:    10px;
    border-top:     1px solid var(--l4tsc-result-line);
}

.l4tsc-result-section-title:first-child {
    margin-top:  0;
    padding-top: 0;
    border-top:  none;
}