/* ===========================================================
   CWG Modern — Calculator Tools (NEW from scratch)
   Custom-built calculators matching site theme
   =========================================================== */

/* ============== CONTAINER ============== */
.cwg-calc {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px var(--cwg-sp-6) 0;
}

/* ============== TWO-COLUMN LAYOUT ============== */
.cwg-calc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--cwg-sp-6);
    margin-bottom: 60px;
}
@media (min-width: 900px) {
    .cwg-calc-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: var(--cwg-sp-8);
        align-items: start;
    }
}

/* ============== INPUT CARD (left) ============== */
.cwg-calc-form {
    background: var(--cwg-bg-card);
    border: 1px solid var(--cwg-line);
    border-radius: var(--cwg-radius-xl);
    padding: 32px;
    box-shadow: var(--cwg-shadow-sm);
}
@media (max-width: 600px) {
    .cwg-calc-form { padding: 24px 20px; }
}

.cwg-calc-form__head {
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--cwg-line);
}
.cwg-calc-form__head h2 {
    font-family: var(--cwg-font-serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--cwg-ink);
    margin: 0 0 6px;
    letter-spacing: -0.02em;
}
.cwg-calc-form__head p {
    color: var(--cwg-muted);
    font-size: 14px;
    margin: 0;
}

/* Form fields */
.cwg-calc-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--cwg-sp-4);
    margin-bottom: var(--cwg-sp-4);
}
@media (min-width: 600px) {
    .cwg-calc-row--2 { grid-template-columns: 1fr 1fr; }
}

.cwg-calc-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.cwg-calc-field > label,
.cwg-calc-field > .label {
    font-family: var(--cwg-font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--cwg-ink-2);
    text-transform: uppercase;
    letter-spacing: .08em;
}
.cwg-calc-field input[type="number"],
.cwg-calc-field input[type="text"],
.cwg-calc-field input[type="time"],
.cwg-calc-field select {
    padding: 12px 14px;
    border: 1.5px solid var(--cwg-line);
    border-radius: var(--cwg-radius);
    background: var(--cwg-bg);
    font-family: var(--cwg-font-sans);
    font-size: 15px;
    color: var(--cwg-ink);
    transition: border-color .15s, box-shadow .15s;
}
.cwg-calc-field input:focus,
.cwg-calc-field select:focus {
    outline: 0;
    border-color: var(--cwg-ink);
    box-shadow: 0 0 0 3px var(--cwg-ring);
}
.cwg-calc-field__hint {
    font-size: 12px;
    color: var(--cwg-muted);
    margin-top: 2px;
}

/* Toggle group (radio buttons styled as chips) */
.cwg-calc-toggle {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.cwg-calc-toggle label {
    flex: 1;
    min-width: 100px;
}
.cwg-calc-toggle input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.cwg-calc-toggle label > span {
    display: block;
    padding: 10px 14px;
    text-align: center;
    border: 1.5px solid var(--cwg-line);
    border-radius: var(--cwg-radius-pill);
    background: var(--cwg-bg);
    font-family: var(--cwg-font-sans);
    font-size: 14px;
    font-weight: 500;
    color: var(--cwg-ink-2);
    cursor: pointer;
    transition: all .15s;
}
.cwg-calc-toggle input[type="radio"]:checked + span {
    background: var(--cwg-ink);
    color: var(--cwg-bg);
    border-color: var(--cwg-ink);
}

/* Checkbox */
.cwg-calc-check {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--cwg-bg);
    border: 1.5px solid var(--cwg-line);
    border-radius: var(--cwg-radius);
    cursor: pointer;
    font-size: 14px;
    color: var(--cwg-ink-2);
    transition: border-color .15s;
}
.cwg-calc-check:hover { border-color: var(--cwg-ink); }
.cwg-calc-check input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 1.5px solid var(--cwg-line);
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
    position: relative;
}
.cwg-calc-check input[type="checkbox"]:checked {
    background: var(--cwg-ink);
    border-color: var(--cwg-ink);
}
.cwg-calc-check input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: -2px;
    left: 3px;
    color: var(--cwg-bg);
    font-size: 14px;
    font-weight: 700;
}

/* Calculate button */
.cwg-calc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 12px;
    padding: 14px 24px;
    background: var(--cwg-primary);
    color: #fff;
    border: 0;
    border-radius: var(--cwg-radius-pill);
    font-family: var(--cwg-font-sans);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s, transform .15s, box-shadow .15s;
}
.cwg-calc-btn:hover {
    background: var(--cwg-primary-d);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(210,105,30,.25);
}
.cwg-calc-btn--ghost {
    background: transparent;
    color: var(--cwg-ink);
    border: 1.5px solid var(--cwg-ink);
    margin-top: 8px;
}
.cwg-calc-btn--ghost:hover {
    background: var(--cwg-ink);
    color: var(--cwg-bg);
    box-shadow: none;
}

/* ============== RESULT CARD (right) ============== */
.cwg-calc-result {
    background: var(--cwg-ink);
    color: var(--cwg-bg);
    border-radius: var(--cwg-radius-xl);
    padding: 32px;
    position: sticky;
    top: 100px;
    overflow: hidden;
}
@media (max-width: 900px) {
    .cwg-calc-result { position: static; }
}
@media (max-width: 600px) {
    .cwg-calc-result { padding: 28px 24px; }
}

.cwg-calc-result__label {
    font-family: var(--cwg-font-sans);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--cwg-primary);
    font-weight: 700;
    margin-bottom: 14px;
}

.cwg-calc-result__value {
    font-family: var(--cwg-font-serif);
    font-size: clamp(48px, 8vw, 72px);
    font-weight: 600;
    line-height: 1;
    color: var(--cwg-bg);
    margin: 0 0 8px;
    letter-spacing: -0.04em;
}
.cwg-calc-result__unit {
    font-family: var(--cwg-font-sans);
    font-size: 16px;
    color: rgba(250,250,247,.7);
    margin: 0 0 24px;
    font-weight: 500;
}

.cwg-calc-result__divider {
    height: 1px;
    background: rgba(255,255,255,.1);
    margin: 24px 0;
}

.cwg-calc-result__breakdown {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.cwg-calc-result__stat {
    padding: 14px 16px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--cwg-radius);
}
.cwg-calc-result__stat-num {
    font-family: var(--cwg-font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--cwg-bg);
    margin-bottom: 4px;
}
.cwg-calc-result__stat-label {
    font-family: var(--cwg-font-sans);
    font-size: 11px;
    color: rgba(250,250,247,.6);
    text-transform: uppercase;
    letter-spacing: .08em;
}

.cwg-calc-result__note {
    font-size: 13.5px;
    line-height: 1.6;
    color: rgba(250,250,247,.7);
    margin: 16px 0 0;
}

.cwg-calc-result__placeholder {
    text-align: center;
    padding: 40px 20px;
    color: rgba(250,250,247,.5);
}
.cwg-calc-result__placeholder span {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

/* Schedule list (intake calc) */
.cwg-calc-schedule {
    margin-top: 20px;
    padding: 16px;
    background: rgba(255,255,255,.05);
    border-radius: var(--cwg-radius);
}
.cwg-calc-schedule__title {
    font-family: var(--cwg-font-sans);
    font-size: 11px;
    color: rgba(250,250,247,.6);
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 600;
    margin-bottom: 10px;
}
.cwg-calc-schedule ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.cwg-calc-schedule li {
    font-size: 13px;
    color: rgba(250,250,247,.85);
    margin: 0;
}
.cwg-calc-schedule strong {
    color: var(--cwg-primary);
    font-weight: 600;
    margin-right: 6px;
}

/* ============== HOW IT WORKS / FAQ SECTIONS ============== */
.cwg-calc-info {
    background: var(--cwg-bg);
    padding: 60px 0 40px;
}

.cwg-calc-info__inner {
    max-width: var(--cwg-container);
    margin: 0 auto;
    padding: 0 var(--cwg-sp-6);
}

/* ============== AI-POWERED REFILL FINDER ============== */
.cwg-calc-result--ai {
    min-height: 200px;
}
.cwg-calc-result__ai-output {
    background: rgba(255,255,255,.05);
    border-radius: var(--cwg-radius);
    padding: 18px;
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(250,250,247,.9);
    white-space: pre-wrap;
}
.cwg-calc-result__ai-output strong {
    color: var(--cwg-primary);
}
.cwg-calc-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--cwg-bg);
    border-top-color: transparent;
    border-radius: 50%;
    animation: cwg-spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}
@keyframes cwg-spin {
    to { transform: rotate(360deg); }
}