/* ═══════════════════════════════════════════════════════════════════
   Gold Price Today — Modern Premium style.css
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Hind+Siliguri:wght@400;500;600;700&display=swap');

:root {
    --color-gold: #D4AF37;
    --color-gold-deep: #B8860B;
    --color-gold-light: #FDFBF2;
    --color-dark: #0F172A;
    --color-slate-700: #334155;
    --color-slate-500: #64748B;
    --color-slate-100: #F1F5F9;
    --color-white: #FFFFFF;
    --color-success: #10B981;
    --color-danger: #EF4444;

    --font-primary: 'Outfit', sans-serif;
    --font-bn: 'Hind Siliguri', sans-serif;

    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

    --radius-pill: 50px;
    --radius-lg: 24px;
    --radius-md: 16px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Base Styles ─────────────────────────────────────────────── */
body {
    font-family: var(--font-primary);
    background-color: #F8FAFC;
    color: var(--color-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

[lang="bn"] {
    font-family: var(--font-bn);
}

h1,
h2,
h3,
h4,
.fw-bold {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-muted {
    color: var(--color-slate-500) !important;
}

/* ─── Layout ───────────────────────────────────────────────────── */
.section-padding {
    padding: 80px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 50px 0;
    }
}

/* ─── Glassmorphism Components ──────────────────────────────────── */
.premium-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.premium-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.1);
}

/* ─── Navigation ───────────────────────────────────────────────── */
.main-header {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--color-slate-100) !important;
}

.navbar-brand .brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.01em;
}

.navbar-brand .brand-subtitle {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gold-deep);
}

.nav-link {
    font-weight: 600;
    color: var(--color-slate-700) !important;
    padding: 10px 20px !important;
    border-radius: var(--radius-pill);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-gold-deep) !important;
    background: var(--color-gold-light);
}

/* ─── Hero Section ─────────────────────────────────────────────── */
.hero-section {
    background: radial-gradient(circle at top right, #FFFBF0 0%, #F8FAFC 100%);
    padding: 100px 0 60px;
}

.hero-subtitle {
    color: var(--color-gold-deep);
    font-weight: 600;
    font-size: 1.1rem;
}

.price-main-badge .badge {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.bg-soft-danger {
    background-color: #FEF2F2 !important;
}

.bg-soft-success {
    background-color: #ECFDF5 !important;
}

/* ─── Modern Tables ────────────────────────────────────────────── */
.price-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background: var(--color-dark);
    color: var(--color-white);
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 20px 25px;
    border: none;
}

.table tbody td {
    padding: 22px 25px;
    border-bottom: 1px solid #F1F5F9;
    font-size: 1.1rem;
    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.price-number {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-dark);
}

[data-price="carat_22_vori"] {
    color: var(--color-gold-deep);
    font-size: 1.35rem;
}

/* ─── Charts ───────────────────────────────────────────────────── */
.chart-container {
    position: relative;
    width: 100%;
}

.btn-group .btn-white {
    background: var(--color-white);
    border: 1px solid var(--color-slate-100);
    color: var(--color-slate-500);
    font-weight: 600;
    padding: 5px 15px;
}

.btn-group .btn-white.active {
    background: var(--color-gold) !important;
    color: var(--color-white) !important;
    border-color: var(--color-gold);
}

/* ─── Calculator ───────────────────────────────────────────────── */
.quick-calc-card {
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    border-radius: var(--radius-lg);
}

.bg-white-10 {
    background: rgba(255, 255, 255, 0.08);
}

.form-select,
.form-control {
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 18px;
    font-weight: 500;
}

.form-select option {
    background: var(--color-dark);
    color: white;
}

/* ─── Buttons ──────────────────────────────────────────────────── */
.btn-premium {
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: var(--radius-pill);
    font-weight: 700;
    transition: var(--transition);
    border: 2px solid var(--color-dark);
}

.btn-premium:hover {
    background: transparent;
    color: var(--color-dark);
}

.btn-gold {
    background: var(--color-gold);
    color: white;
    border-radius: var(--radius-pill);
    font-weight: 700;
    border: none;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
    background: var(--color-gold-deep);
    transform: translateY(-2px);
}

/* ─── Dropdowns & Body Text Fixes ─────────────────────────────── */
.dropdown-menu {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-slate-100);
    box-shadow: var(--glass-shadow);
    padding: 10px;
}

.dropdown-item {
    border-radius: 8px;
    padding: 8px 15px;
    font-weight: 500;
    color: var(--color-slate-700);
}

.dropdown-item:hover {
    background: var(--color-gold-light);
    color: var(--color-gold-deep);
}

/* ─── Footer ───────────────────────────────────────────────────── */
footer {
    background: #020617;
    color: var(--color-slate-500);
}

footer h5,
footer h6 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--color-slate-500);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-gold);
}

/* ─── Responsive Utilities ──────────────────────────────────────── */
.xsmall {
    font-size: 0.75rem;
}

.tracking-wider {
    letter-spacing: 0.1em;
}

.uppercase {
    text-transform: uppercase;
}

/* ─── Animations ───────────────────────────────────────────────── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-section,
.price-card,
.premium-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.price-card {
    animation-delay: 0.2s;
}

.premium-card:nth-child(1) {
    animation-delay: 0.3s;
}

.premium-card:nth-child(2) {
    animation-delay: 0.4s;
}
/* --- Form Overrides --------------------------------------------- */
.bg-white-10 { background: rgba(255, 255, 255, 0.1) !important; }
.form-control:focus, .form-select:focus { background-color: rgba(255, 255, 255, 0.15) !important; color: #fff !important; box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.25) !important; border-color: var(--color-gold) !important; }
.form-control::placeholder { color: rgba(255, 255, 255, 0.5) !important; }
section:not(.hero-section):not(.quick-calc-card):not(.calc-card-main) .form-control:focus, section:not(.hero-section):not(.quick-calc-card):not(.calc-card-main) .form-select:focus { background-color: #fff !important; color: var(--color-dark) !important; }