/* ==========================================================================
   CladCalc Calculator Styles
   Designed to be theme-agnostic and work with any page builder
   ========================================================================== */

/*  CSS Custom Properties (easy to override per-theme)  */
.cladcalc-wrap {
    --cc-brand:        #1a73e8;
    --cc-brand-dark:   #1558b0;
    --cc-highlight:    #f0f7ff;
    --cc-border:       #d1d9e0;
    --cc-radius:       8px;
    --cc-gap:          1.25rem;
    --cc-font:         inherit;
    --cc-error-bg:     #fff0f0;
    --cc-error-border: #e53e3e;
    --cc-error-text:   #c0392b;
    --cc-success-bg:   #f0fff4;

    font-family: var(--cc-font);
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    box-sizing: border-box;
}

/*  Utility  */
.cladcalc-hidden {
    display: none !important;
}

/*  Section spacing  */
.cladcalc-section {
    margin-bottom: var(--cc-gap);
}

/*  Fieldset reset + styling  */
.cladcalc-fieldset {
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    padding: 1.25rem 1.5rem;
    margin: 0 0 var(--cc-gap) 0;
}

.cladcalc-legend {
    font-weight: 600;
    font-size: 1rem;
    padding: 0 0.5rem;
    color: #2d3748;
}

/*  Row layout  */
.cladcalc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--cc-gap);
    margin-top: 1rem;
}

/* On narrow screens, stack into a single column. */
@media ( max-width: 520px ) {
    .cladcalc-row {
        grid-template-columns: 1fr;
    }
}

/*  Field (label + input pair)  */
.cladcalc-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.cladcalc-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #4a5568;
}

/*  Inputs & selects  */
.cladcalc-input,
.cladcalc-select {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--cc-border);
    border-radius: calc( var(--cc-radius) / 2 );
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: #2d3748;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
    -moz-appearance: textfield; /* Firefox: hide number spinner */
}

/* Remove spinner arrows (Chrome/Safari) */
.cladcalc-input::-webkit-inner-spin-button,
.cladcalc-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cladcalc-input:focus,
.cladcalc-select:focus {
    outline: none;
    border-color: var(--cc-brand);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.18);
}

/*  Hint text  */
.cladcalc-hint {
    grid-column: 1 / -1;
    font-size: 0.8rem;
    color: #718096;
    margin: 0.25rem 0 0;
    font-style: italic;
}

/*  Error message  */
.cladcalc-error {
    background: var(--cc-error-bg);
    border: 1px solid var(--cc-error-border);
    border-radius: var(--cc-radius);
    color: var(--cc-error-text);
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    margin-bottom: var(--cc-gap);
}

/*  Submit button  */
.cladcalc-btn {
    display: inline-block;
    background: var(--cc-brand);
    color: #fff;
    border: none;
    border-radius: var(--cc-radius);
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
    width: 100%;
}

.cladcalc-btn:hover:not(:disabled) {
    background: var(--cc-brand-dark);
}

.cladcalc-btn:active:not(:disabled) {
    transform: scale( 0.98 );
}

.cladcalc-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/*  Results section  */
.cladcalc-results {
    margin-top: 2rem;
    background: var(--cc-success-bg);
    border: 1px solid #c6f6d5;
    border-radius: var(--cc-radius);
    padding: 1.5rem;
}

.cladcalc-results-title {
    margin: 0 0 1.25rem;
    font-size: 1.1rem;
    color: #2d3748;
}

/*  Output cards grid  */
.cladcalc-outputs {
    display: grid;
    grid-template-columns: repeat( 3, 1fr );
    gap: 1rem;
    margin-bottom: 1.25rem;
}

@media ( max-width: 520px ) {
    .cladcalc-outputs {
        grid-template-columns: 1fr;
    }
}

.cladcalc-output-card {
    background: #fff;
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    padding: 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.cladcalc-output-card--highlight {
    border-color: var(--cc-brand);
    background: var(--cc-highlight);
}

.cladcalc-output-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #718096;
}

.cladcalc-output-value {
    font-size: 2rem;
    font-weight: 700;
    color: #1a202c;
    line-height: 1.1;
}

.cladcalc-output-unit {
    font-size: 0.8rem;
    color: #718096;
}

/*  Breakdown details / summary  */
.cladcalc-breakdown {
    margin-top: 1rem;
}

.cladcalc-breakdown summary {
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--cc-brand);
    padding: 0.4rem 0;
    user-select: none;
}

.cladcalc-breakdown summary:hover {
    color: var(--cc-brand-dark);
}

/*  Breakdown table  */
.cladcalc-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
    font-size: 0.9rem;
}

.cladcalc-table th,
.cladcalc-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--cc-border);
    text-align: left;
}

.cladcalc-table th {
    font-weight: 500;
    color: #4a5568;
    width: 55%;
}

.cladcalc-table td {
    font-weight: 600;
    color: #2d3748;
}

.cladcalc-table tr:last-child th,
.cladcalc-table tr:last-child td {
    border-bottom: none;
}