/* ═══════════════════════════════════════════════════════════════
   سازه گستر سهند — ماشین‌حساب کلایمر
   dashtseo.ir
   ═══════════════════════════════════════════════════════════════ */

.sgs-calculator {
    background: linear-gradient(180deg, var(--color-paper) 0%, var(--color-cream) 100%);
}

.sgs-calculator__wrapper {
    background: var(--color-paper);
    border: 1px solid var(--color-cream-dark);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 600px;
}

/* ─── فرم ─── */
.sgs-calculator__form {
    padding: var(--space-10);
    background: var(--color-paper);
    position: relative;
}

.sgs-calculator__form::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: var(--color-brick);
}

.sgs-calculator__form-title {
    font-size: var(--text-2xl);
    font-weight: 900;
    color: var(--color-charcoal);
    margin-bottom: var(--space-2);
}

.sgs-calculator__form-subtitle {
    font-size: var(--text-sm);
    color: var(--color-stone);
    margin-bottom: var(--space-8);
}

.sgs-calc-field {
    margin-bottom: var(--space-5);
}

.sgs-calc-field__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.sgs-calc-field__label span {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-charcoal);
}

.sgs-calc-field__label small {
    font-size: var(--text-xs);
    color: var(--color-stone);
}

.sgs-calc-input,
.sgs-calc-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-cream);
    border: 1.5px solid var(--color-cream-dark);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-charcoal);
    transition: all var(--duration-base) var(--ease-out);
    direction: rtl;
}

.sgs-calc-input:focus,
.sgs-calc-select:focus {
    outline: none;
    border-color: var(--color-brick);
    background: var(--color-paper);
    box-shadow: 0 0 0 3px var(--color-brick-50);
}

.sgs-calc-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231A1814' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 12px center;
    background-size: 16px;
    padding-left: 40px;
    appearance: none;
    -webkit-appearance: none;
}

/* دکمه‌های Toggle */
.sgs-calc-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--color-cream);
    border: 1.5px solid var(--color-cream-dark);
    border-radius: var(--radius-md);
    padding: 4px;
    gap: 4px;
}

.sgs-calc-toggle__option {
    padding: var(--space-3) var(--space-4);
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-stone);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    background: transparent;
    border: none;
    font-family: var(--font-body);
}

.sgs-calc-toggle__option.is-active {
    background: var(--color-brick);
    color: var(--color-cream);
    box-shadow: var(--shadow-sm);
}

/* دکمه محاسبه */
.sgs-calc-submit {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: var(--color-brick);
    color: var(--color-cream);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

.sgs-calc-submit:hover {
    background: var(--color-brick-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.sgs-calc-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.sgs-calc-submit svg {
    width: 20px;
    height: 20px;
}

/* ─── نتایج ─── */
.sgs-calculator__result {
    background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-graphite) 100%);
    color: var(--color-cream);
    padding: var(--space-10);
    position: relative;
    overflow: hidden;
}

.sgs-calculator__result::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(168, 65, 43, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(139, 111, 71, 0.1) 0%, transparent 40%);
}

.sgs-calculator__result > * {
    position: relative;
    z-index: 1;
}

.sgs-calculator__result-title {
    font-size: var(--text-2xl);
    font-weight: 900;
    color: var(--color-cream);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sgs-calculator__result-title::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--color-brick-light);
}

.sgs-calculator__result-subtitle {
    font-size: var(--text-sm);
    color: var(--color-mist);
    margin-bottom: var(--space-8);
}

/* کارت نتیجه اصلی */
.sgs-calc-main-result {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.sgs-calc-main-result__label {
    font-size: var(--text-xs);
    color: var(--color-brick-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
    font-weight: 700;
}

.sgs-calc-main-result__value {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--color-cream);
    line-height: 1;
    font-family: var(--font-num);
    direction: ltr;
    text-align: right;
}

.sgs-calc-main-result__unit {
    font-size: var(--text-base);
    color: var(--color-mist);
    margin-right: var(--space-2);
    font-weight: 500;
    font-family: var(--font-body);
    direction: rtl;
}

.sgs-calc-main-result__sub {
    font-size: var(--text-sm);
    color: var(--color-mist);
    margin-top: var(--space-2);
}

/* لیست نتایج جزئیات */
.sgs-calc-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.sgs-calc-detail {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: var(--text-sm);
}

.sgs-calc-detail:last-child { border-bottom: none; }

.sgs-calc-detail__label {
    color: var(--color-mist);
}

.sgs-calc-detail__value {
    color: var(--color-cream);
    font-weight: 700;
    font-family: var(--font-num);
}

/* دکمه‌های اقدام */
.sgs-calc-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.sgs-calc-action {
    flex: 1;
    min-width: 120px;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-cream);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-body);
}

.sgs-calc-action:hover {
    background: var(--color-brick);
    border-color: var(--color-brick);
    transform: translateY(-2px);
}

.sgs-calc-action svg {
    width: 16px;
    height: 16px;
}

/* نمودار */
.sgs-calc-chart {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-6);
    height: 200px;
}

/* حالت خالی */
.sgs-calc-empty {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    color: var(--color-mist);
}

.sgs-calc-empty__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    background: rgba(168, 65, 43, 0.1);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--color-brick-light);
}

.sgs-calc-empty__icon svg {
    width: 40px;
    height: 40px;
}

.sgs-calc-empty__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-cream);
    margin-bottom: var(--space-2);
}

.sgs-calc-empty__text {
    font-size: var(--text-sm);
    color: var(--color-mist);
    max-width: 280px;
    margin: 0 auto;
    line-height: 1.7;
}

/* لودینگ */
.sgs-calc-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
}

.sgs-calc-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-brick-light);
    border-radius: 50%;
    animation: sgs-spin 0.8s linear infinite;
}

@keyframes sgs-spin {
    to { transform: rotate(360deg); }
}

/* مقایسه هزینه */
.sgs-calc-comparison {
    background: var(--color-paper);
    border: 1px solid var(--color-cream-dark);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-top: var(--space-6);
}

.sgs-calc-comparison h4 {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--color-charcoal);
    margin-bottom: var(--space-4);
    text-align: center;
}

.sgs-calc-comparison__bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
}

.sgs-calc-comparison__bar-label {
    width: 100px;
    color: var(--color-graphite);
    font-weight: 600;
}

.sgs-calc-comparison__bar-track {
    flex: 1;
    height: 28px;
    background: var(--color-cream);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.sgs-calc-comparison__bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-brick) 0%, var(--color-brick-dark) 100%);
    border-radius: var(--radius-md);
    transition: width 1s var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 var(--space-3);
    color: var(--color-cream);
    font-size: var(--text-xs);
    font-weight: 700;
    font-family: var(--font-num);
}

.sgs-calc-comparison__bar-fill--scaffold {
    background: linear-gradient(90deg, var(--color-stone) 0%, var(--color-graphite) 100%);
}

/* ریسپانسیو */
@media (max-width: 1024px) {
    .sgs-calculator__wrapper {
        grid-template-columns: 1fr;
    }

    .sgs-calculator__form::before {
        top: 0;
        right: 0;
        width: 100%;
        height: 4px;
    }
}

@media (max-width: 640px) {
    .sgs-calculator__form,
    .sgs-calculator__result {
        padding: var(--space-6);
    }
}

/* v3.1.1 — نمایش قیمت تقریبی و هشدار استعلام */
.sgs-calc-main-result__value--range {
    font-size: clamp(1.15rem, 4vw, 1.75rem) !important;
    line-height: 1.55 !important;
}

.sgs-calc-notice {
    background: rgba(168, 65, 43, 0.08);
    border: 1px solid rgba(168, 65, 43, 0.18);
    border-radius: 16px;
    padding: 16px;
    margin: 18px 0;
    color: var(--color-graphite);
}

.sgs-calc-notice h4 {
    margin: 0 0 8px;
    color: var(--color-brick);
    font-size: 16px;
    font-weight: 900;
}

.sgs-calc-notice p {
    margin: 0 0 8px;
    font-size: 13.5px;
    line-height: 1.9;
}

.sgs-calc-notice p:last-child {
    margin-bottom: 0;
}

/* v3.2.0 — ماشین حساب کامل */
.sgs-calc-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
    border: 1px solid var(--color-cream-dark);
    border-radius: 12px;
    background: rgba(255,255,255,.55);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.sgs-calc-check input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-brick);
}

.sgs-calc-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 18px 0;
}

.sgs-calc-summary-grid > div {
    padding: 14px 12px;
    border-radius: 14px;
    background: rgba(255,255,255,.70);
    border: 1px solid var(--color-cream-dark);
    text-align: center;
}

.sgs-calc-summary-grid strong {
    display: block;
    color: var(--color-brick);
    font-size: 20px;
    font-weight: 950;
    margin-bottom: 4px;
}

.sgs-calc-summary-grid span {
    display: block;
    font-size: 12px;
    color: var(--color-stone);
    font-weight: 700;
}

.sgs-calc-breakdown {
    margin: 18px 0;
    padding: 16px;
    border-radius: 16px;
    background: rgba(26, 24, 20, 0.04);
    border: 1px solid var(--color-cream-dark);
}

.sgs-calc-breakdown h4 {
    margin: 0 0 12px;
    font-size: 16px;
    color: var(--color-charcoal);
}

.sgs-calc-breakdown > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
    border-bottom: 1px dashed rgba(26,24,20,.12);
    font-size: 13px;
}

.sgs-calc-breakdown > div:last-child { border-bottom: 0; }
.sgs-calc-breakdown strong { color: var(--color-brick); white-space: nowrap; }

@media (max-width: 768px) {
    .sgs-calc-summary-grid { grid-template-columns: 1fr 1fr; }
    .sgs-calc-summary-grid strong { font-size: 16px; }
    .sgs-calc-summary-grid span { font-size: 10.5px; }
    .sgs-calc-breakdown { padding: 14px; }
    .sgs-calc-breakdown > div { align-items: flex-start; flex-direction: column; gap: 4px; }
}

/* v3.2.2 — رفع مشکل متن تیره روی پس‌زمینه تیره بخش قیمت */
.sgs-calculator__result .sgs-calc-summary-grid > div,
.sgs-calculator__result .sgs-calc-breakdown,
.sgs-calculator__result .sgs-calc-notice {
    background: rgba(255, 255, 255, 0.075) !important;
    border-color: rgba(255, 255, 255, 0.14) !important;
    color: var(--color-cream) !important;
}

.sgs-calculator__result .sgs-calc-summary-grid span,
.sgs-calculator__result .sgs-calc-breakdown span,
.sgs-calculator__result .sgs-calc-notice p,
.sgs-calculator__result .sgs-calc-notice li {
    color: rgba(245, 241, 235, 0.86) !important;
}

.sgs-calculator__result .sgs-calc-summary-grid strong,
.sgs-calculator__result .sgs-calc-breakdown strong,
.sgs-calculator__result .sgs-calc-notice h4,
.sgs-calculator__result .sgs-calc-notice strong {
    color: var(--color-brick-light) !important;
}

.sgs-calculator__result .sgs-calc-breakdown h4 {
    color: var(--color-cream) !important;
}

.sgs-calculator__result .sgs-calc-breakdown > div {
    border-bottom-color: rgba(255, 255, 255, 0.12) !important;
}

.sgs-calculator__result .sgs-calc-main-result__value--range {
    color: var(--color-cream) !important;
    text-shadow: 0 1px 0 rgba(0,0,0,.18);
}

@media (max-width: 768px) {
    .sgs-calculator__result .sgs-calc-summary-grid > div,
    .sgs-calculator__result .sgs-calc-breakdown,
    .sgs-calculator__result .sgs-calc-notice {
        background: rgba(255,255,255,.09) !important;
    }
}