/* =====================================================
   ماشین‌حساب حرفه‌ای طلا — صفحه عمومی
   هماهنگ با تم یاسمه (--yg-gold)
   ===================================================== */
:root {
    --gc-gold: var(--yg-gold, #b9903f);
    --gc-gold-light: #d9b866;
    --gc-gold-dark: #8a6a2b;
    --gc-ink: #26211a;
    --gc-muted: #8a8375;
    --gc-bg: #faf7f0;
    --gc-card: #ffffff;
    --gc-line: #eee7d8;
    --gc-up: #16a34a;
    --gc-down: #dc2626;
    --gc-radius: 18px;
    --gc-shadow: 0 10px 34px rgba(90, 70, 20, .08);
}

.gc-page {
    background:
        radial-gradient(1200px 400px at 85% -50px, rgba(185, 144, 63, .12), transparent 60%),
        radial-gradient(900px 400px at 0% 20%, rgba(185, 144, 63, .07), transparent 55%),
        var(--gc-bg);
    padding-bottom: 60px;
    font-family: inherit;
}

/* ===== سربرگ ===== */
.gc-hero {
    padding: 38px 0 10px;
}

.gc-hero-inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.gc-hero-title {
    font-size: clamp(22px, 3.2vw, 34px);
    font-weight: 800;
    color: var(--gc-ink);
    margin: 0 0 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.gc-hero-title i {
    color: var(--gc-gold);
    font-size: .9em;
}

.gc-hero-sub {
    color: var(--gc-muted);
    font-size: 14.5px;
    margin: 0;
    max-width: 640px;
    line-height: 1.9;
}

.gc-hero-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.gc-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: linear-gradient(135deg, var(--gc-gold), var(--gc-gold-dark));
    color: #fff;
    font-size: 12.5px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 30px;
    box-shadow: 0 4px 14px rgba(185, 144, 63, .35);
}

.gc-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #eaffea;
    animation: gc-pulse 1.6s infinite;
}

@keyframes gc-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(.75); }
}

.gc-updated {
    font-size: 12px;
    color: var(--gc-muted);
}

.gc-updated b { color: var(--gc-ink); }

/* ===== تابلو قیمت ===== */
.gc-board-section { padding: 18px 0 6px; }

.gc-board {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 12px;
}

.gc-price-card {
    background: var(--gc-card);
    border: 1px solid var(--gc-line);
    border-radius: var(--gc-radius);
    padding: 14px 16px;
    box-shadow: var(--gc-shadow);
    transition: transform .2s, border-color .2s;
    position: relative;
    overflow: hidden;
}

.gc-price-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gc-gold), var(--gc-gold-light));
    opacity: .85;
}

.gc-price-card:hover { transform: translateY(-3px); }

.gc-pc-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.gc-pc-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--gc-ink);
}

.gc-pc-change {
    font-size: 11.5px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: 20px;
}
.gc-pc-change.up { color: var(--gc-up); background: rgba(22, 163, 74, .09); }
.gc-pc-change.down { color: var(--gc-down); background: rgba(220, 38, 38, .09); }

.gc-pc-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.gc-pc-value {
    font-size: 19px;
    font-weight: 800;
    color: var(--gc-ink);
    letter-spacing: .2px;
}

.gc-pc-value.up { color: var(--gc-up); transition: color .15s; }
.gc-pc-value.down { color: var(--gc-down); transition: color .15s; }

.gc-pc-unit {
    font-size: 11px;
    color: var(--gc-muted);
}

.gc-pc-src {
    margin-top: 8px;
    font-size: 11px;
    color: var(--gc-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ===== تب‌ها ===== */
.gc-main-section { padding: 22px 0 8px; }

.gc-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: -1px;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
    padding: 0 14px;
}

.gc-tab {
    border: 1px solid var(--gc-line);
    border-bottom: none;
    background: #f3edde;
    color: var(--gc-muted);
    font-size: 14px;
    font-weight: 700;
    padding: 12px 22px;
    border-radius: 14px 14px 0 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all .2s;
    font-family: inherit;
}

.gc-tab i { font-size: 13px; }

.gc-tab.active {
    background: var(--gc-card);
    color: var(--gc-gold-dark);
    border-color: var(--gc-line);
    box-shadow: 0 -6px 14px rgba(90, 70, 20, .05);
}

.gc-panel-card {
    background: var(--gc-card);
    border: 1px solid var(--gc-line);
    border-radius: 0 var(--gc-radius) var(--gc-radius);
    box-shadow: var(--gc-shadow);
    padding: 26px;
    position: relative;
}

.gc-tab-pane { display: none; }
.gc-tab-pane.active { display: block; animation: gc-fade .25s ease; }

@keyframes gc-fade {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

/* ===== فیلدها ===== */
.gc-label {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--gc-ink);
    margin-bottom: 8px;
    display: block;
}

.gc-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.gc-label-sm {
    font-size: 12px;
    font-weight: 700;
    color: var(--gc-muted);
    margin-bottom: 6px;
    display: block;
}

.gc-input-group {
    display: flex;
    align-items: stretch;
    border: 1.5px solid var(--gc-line);
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    transition: border-color .2s, box-shadow .2s;
    direction: ltr;
}

.gc-input-group:focus-within {
    border-color: var(--gc-gold);
    box-shadow: 0 0 0 3px rgba(185, 144, 63, .14);
}

.gc-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 14px;
    font-size: 16px;
    font-weight: 700;
    color: var(--gc-ink);
    font-family: inherit;
    min-width: 0;
    background: transparent;
    text-align: left;
}

.gc-input:focus { outline: none; }

.gc-input-center { text-align: center; direction: rtl; }

.gc-input-unit {
    background: #f6f1e3;
    color: var(--gc-gold-dark);
    font-size: 12.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    padding: 0 14px;
    white-space: nowrap;
}

.gc-select {
    width: 100%;
    border: 1.5px solid var(--gc-line);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gc-ink);
    background: #fff;
    font-family: inherit;
    outline: none;
    transition: border-color .2s;
}

.gc-select:focus { border-color: var(--gc-gold); }
.gc-select-sm { width: auto; padding: 8px 12px; font-size: 13px; }

.gc-range {
    width: 100%;
    margin-top: 12px;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--gc-gold), var(--gc-gold-light));
    outline: none;
}

.gc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--gc-gold);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(185, 144, 63, .4);
}

.gc-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--gc-gold);
    cursor: pointer;
}

/* چیپ‌های عیار */
.gc-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.gc-chips-coins { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--gc-line); }

.gc-chip {
    border: 1.5px solid var(--gc-line);
    background: #fff;
    border-radius: 12px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 700;
    color: var(--gc-ink);
    cursor: pointer;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    transition: all .18s;
    font-family: inherit;
}

.gc-chip small {
    font-size: 10.5px;
    color: var(--gc-muted);
    font-weight: 600;
}

.gc-chip:hover { border-color: var(--gc-gold-light); }

.gc-chip.active {
    background: linear-gradient(135deg, var(--gc-gold), var(--gc-gold-dark));
    border-color: var(--gc-gold-dark);
    color: #fff;
    box-shadow: 0 4px 14px rgba(185, 144, 63, .35);
}

.gc-chip.active small { color: #f7ecd2; }

.gc-chip-coin { min-width: 92px; }

/* سوییچ واحد */
.gc-unit-toggle, .gc-seg {
    display: inline-flex;
    background: #f3edde;
    border-radius: 10px;
    padding: 3px;
    gap: 2px;
}

.gc-unit-toggle button, .gc-seg button {
    border: none;
    background: transparent;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 700;
    color: var(--gc-muted);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    transition: all .18s;
}

.gc-unit-toggle button.active, .gc-seg button.active {
    background: #fff;
    color: var(--gc-gold-dark);
    box-shadow: 0 2px 6px rgba(90, 70, 20, .12);
}

/* استپر تعداد */
.gc-stepper {
    display: inline-flex;
    align-items: stretch;
    border: 1.5px solid var(--gc-line);
    border-radius: 12px;
    overflow: hidden;
    direction: ltr;
}

.gc-stepper button {
    width: 46px;
    border: none;
    background: #f6f1e3;
    font-size: 20px;
    font-weight: 700;
    color: var(--gc-gold-dark);
    cursor: pointer;
    font-family: inherit;
}

.gc-stepper button:hover { background: var(--gc-gold-light); color: #fff; }

.gc-stepper .gc-input {
    width: 90px;
    flex: none;
    border-inline: 1px solid var(--gc-line);
}

/* بخش پیشرفته */
.gc-advanced {
    margin-top: 18px;
    border: 1px dashed var(--gc-line);
    border-radius: 14px;
    overflow: hidden;
}

.gc-advanced-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fbf8f0;
    border: none;
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 700;
    color: var(--gc-gold-dark);
    cursor: pointer;
    font-family: inherit;
}

.gc-adv-arrow { margin-inline-start: auto; transition: transform .2s; }

.gc-advanced.open .gc-adv-arrow { transform: rotate(180deg); }

.gc-advanced-body {
    display: none;
    padding: 16px;
    border-top: 1px dashed var(--gc-line);
}

.gc-advanced.open .gc-advanced-body { display: block; }

.gc-note {
    font-size: 11.5px;
    color: var(--gc-muted);
    margin: 10px 0 0;
    line-height: 1.8;
}

/* ===== کارت نتیجه ===== */
.gc-result {
    background: linear-gradient(160deg, #fdfbf5 0%, #f7efdc 100%);
    border: 1px solid #eadfc2;
    border-radius: var(--gc-radius);
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 20px;
}

.gc-result-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14.5px;
    font-weight: 800;
    color: var(--gc-gold-dark);
    padding-bottom: 12px;
    border-bottom: 1px dashed #e2d3ab;
    margin-bottom: 12px;
}

.gc-result-body { flex: 1; }

.gc-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 0;
    font-size: 13.5px;
    color: var(--gc-muted);
}

.gc-row b {
    color: var(--gc-ink);
    font-size: 14.5px;
    white-space: nowrap;
}

.gc-row small { color: var(--gc-muted); font-weight: 600; }

.gc-result-total {
    margin-top: 12px;
    background: linear-gradient(135deg, var(--gc-gold), var(--gc-gold-dark));
    border-radius: 14px;
    padding: 16px 18px;
    color: #fff;
    box-shadow: 0 8px 20px rgba(185, 144, 63, .35);
}

.gc-result-total > span {
    font-size: 12.5px;
    opacity: .9;
    display: block;
    margin-bottom: 4px;
}

.gc-total-value b {
    font-size: clamp(20px, 2.6vw, 27px);
    font-weight: 800;
    letter-spacing: .3px;
}

.gc-total-value small { font-size: 12px; opacity: .9; }

.gc-result-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.gc-btn {
    flex: 1;
    border: none;
    border-radius: 11px;
    padding: 10px 12px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all .2s;
    font-family: inherit;
    white-space: nowrap;
}

.gc-btn-gold {
    background: var(--gc-ink);
    color: #f5efdf;
}

.gc-btn-gold:hover { background: #000; transform: translateY(-1px); }

.gc-btn-ghost {
    background: transparent;
    border: 1.5px solid #e0d3ae;
    color: var(--gc-gold-dark);
}

.gc-btn-ghost:hover { background: #fff; border-color: var(--gc-gold); }

/* ترازوی بودجه */
.gc-result-budget .gc-budget-weight {
    text-align: center;
    padding: 18px 0;
}

.gc-budget-weight b {
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 800;
    color: var(--gc-gold-dark);
    margin-left: 6px;
}

.gc-budget-weight span { color: var(--gc-muted); font-size: 14px; }

/* ===== نمودار ===== */
.gc-chart-section { padding: 26px 0 8px; }

.gc-chart-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.gc-chart-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.gc-section-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--gc-ink);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gc-section-title i { color: var(--gc-gold); }

.gc-section-title-center {
    justify-content: center;
    margin-bottom: 20px;
}

.gc-period {
    display: inline-flex;
    background: #f3edde;
    border-radius: 10px;
    padding: 3px;
    gap: 2px;
}

.gc-period button {
    border: none;
    background: transparent;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 700;
    color: var(--gc-muted);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
}

.gc-period button.active {
    background: #fff;
    color: var(--gc-gold-dark);
    box-shadow: 0 2px 6px rgba(90, 70, 20, .12);
}

#gc-chart { min-height: 300px; }

.gc-chart-loading {
    text-align: center;
    color: var(--gc-muted);
    padding: 60px 0;
    font-size: 13px;
}

/* ===== سوالات متداول ===== */
.gc-faq-section { padding: 30px 0 10px; }

.gc-faq {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.gc-faq details {
    background: var(--gc-card);
    border: 1px solid var(--gc-line);
    border-radius: 14px;
    padding: 0 18px;
    transition: border-color .2s;
}

.gc-faq details[open] { border-color: var(--gc-gold-light); }

.gc-faq summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    color: var(--gc-ink);
    padding: 15px 0;
    list-style: none;
    position: relative;
    padding-left: 30px;
}

.gc-faq summary::-webkit-details-marker { display: none; }

.gc-faq summary::after {
    content: '+';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--gc-gold);
    font-weight: 400;
    transition: transform .2s;
}

.gc-faq details[open] summary::after { content: '−'; }

.gc-faq-body {
    padding: 0 0 15px;
    font-size: 13px;
    color: var(--gc-muted);
    line-height: 2;
}

/* ===== چاپ ===== */
.gc-print-area { display: none; }

@media print {
    body * { visibility: hidden !important; }
    .gc-print-area, .gc-print-area * { visibility: visible !important; }
    .gc-print-area {
        display: block !important;
        position: absolute;
        inset: 0 auto auto 0;
        width: 100%;
        padding: 30px;
        font-family: Tahoma, IRANSans, sans-serif;
    }
    .gc-print-area h1 {
        font-size: 18px;
        border-bottom: 2px solid #b9903f;
        padding-bottom: 10px;
        margin-bottom: 16px;
    }
    .gc-print-area table { width: 100%; border-collapse: collapse; }
    .gc-print-area td { padding: 8px 6px; border-bottom: 1px solid #eee; font-size: 13px; }
    .gc-print-area td:last-child { text-align: left; font-weight: bold; }
    .gc-print-area .gp-total td {
        background: #fdf6e3;
        font-size: 15px;
        border-top: 2px solid #b9903f;
    }
}

/* ===== ریسپانسیو ===== */
@media (max-width: 991px) {
    .gc-result { position: static; }
    .gc-hero-inner { align-items: flex-start; flex-direction: column; }
    .gc-hero-status { flex-direction: row; align-items: center; gap: 14px; flex-wrap: wrap; }
}

@media (max-width: 575px) {
    .gc-panel-card { padding: 16px 14px; border-radius: 0 0 16px 16px; }
    .gc-tabs { padding: 0 6px; gap: 6px; }
    .gc-tab { padding: 10px 14px; font-size: 12.5px; flex: 1; justify-content: center; }
    .gc-tab i { display: none; }
    .gc-board { grid-template-columns: repeat(2, 1fr); gap: 9px; }
    .gc-price-card { padding: 11px 12px; border-radius: 14px; }
    .gc-pc-value { font-size: 15.5px; }
    .gc-hero { padding-top: 24px; }
    .gc-result-total { padding: 13px 15px; }
    .gc-btn { font-size: 11.5px; padding: 9px 8px; }
    .gc-row b { font-size: 13px; }
}