/* ==========================================================
   AurViu — Dark Gold Theme
   ========================================================== */

:root {
    --bg:           #0a0a0a;
    --bg-card:      #141414;
    --bg-sidebar:   #0d0d0d;
    --bg-input:     #1a1a1a;

    --gold-300:     #FFE066;
    --gold-400:     #F5C842;
    --gold-500:     #D4AF37;
    --gold-600:     #B8960C;
    --gold-700:     #7D6608;

    --text:         #EFEFEF;
    --text-2:       #999;
    --text-3:       #555;

    --positive:     #4ADE80;
    --negative:     #F87171;

    --border:       rgba(212,175,55,.12);
    --border-h:     rgba(212,175,55,.32);
    --glow-sm:      0 0 12px rgba(212,175,55,.18);
    --glow-md:      0 0 28px rgba(212,175,55,.28);

    --sidebar-w:    290px;
    --header-h:     62px;
    --r-sm:         8px;
    --r-md:         12px;
    --r-lg:         18px;
    --ease:         all .28s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html                   { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Starfield Canvas ───────────────────────────────────── */
#starfield {
    position: fixed; inset: 0;
    pointer-events: none; z-index: 0;
}

/* ── Particles ─────────────────────────────────────────── */
#particles {
    position: fixed; inset: 0;
    pointer-events: none; z-index: 0; overflow: hidden;
}
.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--gold-500);
    animation: drift var(--dur,9s) ease-in-out infinite var(--del,0s);
}
@keyframes drift {
    0%   { transform: translateY(100vh) translateX(0);           opacity: 0;   }
    8%   { opacity: .55; }
    92%  { opacity: .25; }
    100% { transform: translateY(-8vh) translateX(var(--dx,30px)); opacity: 0; }
}

/* ── Header ─────────────────────────────────────────────── */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: rgba(10,10,10,.94);
    backdrop-filter: blur(22px);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 28px; gap: 28px;
    z-index: 200;
}

.logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; flex-shrink: 0;
}
.logo-svg {
    width: 36px; height: 40px; flex-shrink: 0;
    opacity: .92;
    transition: opacity .3s ease;
}
.logo:hover .logo-svg { opacity: 1; }
.logo-words { display: flex; flex-direction: column; gap: 1px; }
.logo-text {
    font-size: 20px; font-weight: 800; letter-spacing: -.4px;
    background: linear-gradient(120deg, var(--gold-300), var(--gold-600));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo-sub { font-size: 11px; color: var(--text-3); margin-left: 2px; }

.nav { display: flex; gap: 2px; flex: 1; }
.nav-link {
    color: var(--text-2); text-decoration: none;
    font-size: 13.5px; padding: 6px 14px;
    border-radius: var(--r-sm);
    border: 1px solid transparent;
    transition: var(--ease);
}
.nav-link:hover, .nav-link.active {
    color: var(--gold-400);
    background: rgba(212,175,55,.08);
    border-color: var(--border);
}
.nav-link.active::after {
    content: '';
    display: block;
    position: absolute; bottom: -2px; left: 14px; right: 14px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
    border-radius: 1px;
}
.nav-link { position: relative; }

.header-live {
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; margin-left: auto;
}
.live-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--positive);
    animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
    0%,100% { box-shadow: 0 0 0 0 rgba(74,222,128,.45); }
    50%     { box-shadow: 0 0 0 7px rgba(74,222,128,0); }
}
.live-label { font-weight: 700; font-size: 11px; color: var(--positive); letter-spacing: 1px; }
#lastUpdate { color: var(--text-3); font-size: 11px; }

/* ── Layout ─────────────────────────────────────────────── */
.layout {
    display: flex;
    margin-top: var(--header-h);
    min-height: calc(100vh - var(--header-h));
    position: relative; z-index: 1;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w); flex-shrink: 0;
    border-right: 1px solid var(--border);
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    overflow-y: auto;
    background: var(--bg-sidebar);
    z-index: 50;
    scrollbar-width: thin;
    scrollbar-color: var(--gold-700) transparent;
    will-change: auto;
}
.sidebar::-webkit-scrollbar       { width: 3px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--gold-700); border-radius: 2px; }

/* Push main content right to account for fixed sidebar */
.main {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 36px 44px;
    min-width: 0;
}

.sidebar-inner {
    padding: 18px 14px;
    display: flex; flex-direction: column; gap: 14px;
}

/* Price Widget */
.price-widget {
    background: linear-gradient(145deg, rgba(212,175,55,.1), rgba(212,175,55,.02));
    border: 1px solid var(--border-h);
    border-radius: var(--r-lg);
    padding: 20px 18px;
}

.pw-header {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 11px; color: var(--text-3);
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 10px;
}
.price-badge {
    font-weight: 700; font-size: 11px;
    padding: 2px 8px; border-radius: 4px;
}
.price-badge.up   { color: var(--positive); background: rgba(74,222,128,.1); }
.price-badge.down { color: var(--negative);  background: rgba(248,113,113,.1); }
.price-badge.flat { color: var(--text-2);    background: rgba(255,255,255,.05); }

.pw-main {
    display: flex; align-items: baseline; gap: 6px;
    margin-bottom: 14px;
}
.pw-price {
    font-size: 38px; font-weight: 800;
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    font-variant-numeric: tabular-nums;
}
.pw-unit { font-size: 13px; color: var(--text-3); }

.pw-rows {}
.pw-row {
    display: flex; justify-content: space-between;
    font-size: 13px; color: var(--text-2);
    padding: 5px 0;
    border-bottom: 1px solid rgba(255,255,255,.03);
}
.pw-row:last-child { border-bottom: none; }
.pw-row span:last-child { font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }
.pw-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* Mini Chart */
/* Stats box (replaces mini chart) */
.stats-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 12px 14px;
}
.stat-row {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12px; color: var(--text-2);
    padding: 5px 0;
    border-bottom: 1px solid rgba(255,255,255,.03);
}
.stat-row:last-child { border-bottom: none; }
.stat-row--change { margin-top: 2px; }
.stat-val {
    font-weight: 700; font-size: 13px;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}
.stat-val.up   { color: var(--positive); }
.stat-val.down { color: var(--negative); }
.box-title {
    font-size: 10px; color: var(--text-3);
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 8px;
}

/* Rates */
.rates-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 12px 14px;
}
.rate-row {
    display: flex; justify-content: space-between;
    font-size: 13px; color: var(--text-2);
    padding: 5px 0;
    border-bottom: 1px solid rgba(255,255,255,.03);
}
.rate-row:last-child { border-bottom: none; }
.rate-row span:last-child { font-weight: 600; color: var(--gold-400); font-variant-numeric: tabular-nums; }

/* Alert Box */
.alert-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 14px;
}
.alert-box-title {
    display: flex; align-items: center; gap: 6px;
    font-size: 13px; font-weight: 600; margin-bottom: 6px;
}
.alert-desc { font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.alert-row  { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.alert-input {
    flex: 1; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--r-sm);
    color: var(--text); padding: 9px 10px; font-size: 14px; outline: none;
    transition: var(--ease);
}
.alert-input:focus { border-color: var(--gold-500); box-shadow: var(--glow-sm); }
.alert-curr { font-size: 11px; color: var(--text-3); white-space: nowrap; }
.alert-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--gold-600), var(--gold-500));
    color: #000; border: none; border-radius: var(--r-sm);
    padding: 9px; font-size: 13px; font-weight: 700;
    cursor: pointer; transition: var(--ease);
}
.alert-btn:hover { background: linear-gradient(135deg, var(--gold-500), var(--gold-300)); box-shadow: var(--glow-sm); }
#alertStatus { font-size: 11px; color: var(--text-3); margin-top: 6px; text-align: center; min-height: 16px; }

.section      { margin-bottom: 52px; }
.section-title {
    display: flex; align-items: center; gap: 10px;
    font-size: 20px; font-weight: 700; margin-bottom: 22px;
}
.s-icon { color: var(--gold-500); font-size: 15px; }
.sub-title { font-size: 14px; color: var(--text-2); margin: 20px 0 12px; }

/* Price Cards Grid */
.price-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    min-height: 160px; /* prevent layout shift on re-render */
}
.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 22px 20px;
    position: relative; overflow: hidden;
    transition: var(--ease);
}
.price-card:hover { border-color: var(--border-h); box-shadow: var(--glow-sm); transform: translateY(-2px); }
.price-card.featured {
    border-color: var(--gold-600);
    background: linear-gradient(145deg, rgba(212,175,55,.07), var(--bg-card));
}
.card-badge {
    position: absolute; top: 12px; right: 12px;
    background: var(--gold-700); color: var(--gold-300);
    font-size: 9px; font-weight: 700;
    padding: 2px 7px; border-radius: 4px; letter-spacing: 1.2px;
}
.card-source { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.card-name   { font-size: 13px; color: var(--text-2); margin-bottom: 14px; }
.card-price  { font-size: 30px; font-weight: 800; color: var(--gold-400); font-variant-numeric: tabular-nums; }
.card-unit   { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.card-sub    { font-size: 12px; color: var(--text-2); margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }

/* ── Dealer Box ─────────────────────────────────────────────── */
.dealer-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 12px 14px;
}
.dealer-row {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,.03);
}
.dealer-row:last-of-type { border-bottom: none; }
.dealer-name {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--text-2); margin-bottom: 5px;
}
.dealer-name a {
    color: var(--text-2); text-decoration: none;
    transition: color .2s;
}
.dealer-name a:hover { color: var(--gold-400); }
.dealer-live { background: rgba(74,222,128,.12); color: var(--positive); font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px; letter-spacing: .8px; }
.dealer-est  { background: rgba(255,255,255,.05); color: var(--text-3);   font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px; letter-spacing: .8px; }
.dealer-prices {
    display: flex; gap: 10px;
    font-size: 12.5px; font-variant-numeric: tabular-nums;
}
.dp-buy  { color: var(--positive); font-weight: 600; }
.dp-sell { color: var(--negative);  font-weight: 600; }
.dp-buy::before  { content: '↑ '; font-size: 10px; }
.dp-sell::before { content: '↓ '; font-size: 10px; }
.dealer-note {
    font-size: 10px; color: var(--text-3); margin-top: 8px;
    padding-top: 6px; border-top: 1px solid var(--border);
    font-style: italic;
}

/* ── Loading shimmer ─────────────────────────────────────────── */
    height: 110px;
    background: linear-gradient(90deg, rgba(255,255,255,.02) 0%, rgba(212,175,55,.07) 50%, rgba(255,255,255,.02) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.6s infinite;
    border-radius: var(--r-sm);
}
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

/* Purity Grid */
.purity-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.purity-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--r-md); padding: 14px 12px; text-align: center;
    transition: var(--ease);
}
.purity-card:hover { border-color: var(--border-h); }
.pk-karat { font-size: 20px; font-weight: 800; color: var(--gold-400); }
.pk-name  { font-size: 10px; color: var(--text-3); margin: 3px 0 8px; }
.pk-price { font-size: 15px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }

/* ── Calculator ──────────────────────────────────────────── */
.calc-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 30px;
}
.calc-inputs {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px; margin-bottom: 26px;
}
.calc-group { display: flex; flex-direction: column; gap: 8px; }
.calc-label { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; }
.input-wrap {
    display: flex; align-items: center;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--r-sm); padding: 0 14px;
    transition: var(--ease);
}
.input-wrap:focus-within { border-color: var(--gold-500); box-shadow: var(--glow-sm); }
.calc-num {
    flex: 1; background: transparent; border: none;
    color: var(--text); font-size: 20px; font-weight: 700;
    padding: 13px 0; outline: none; font-variant-numeric: tabular-nums;
    width: 0;  /* allow shrink */
}
.input-unit { font-size: 13px; color: var(--text-3); }
.calc-select {
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--r-sm); color: var(--text);
    font-size: 14px; padding: 13px 14px; outline: none; cursor: pointer;
    transition: var(--ease); width: 100%;
}
.calc-select:focus { border-color: var(--gold-500); box-shadow: var(--glow-sm); }
.calc-select option { background: var(--bg-card); }

.calc-results { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 14px; }
.res-card {
    background: rgba(212,175,55,.04); border: 1px solid var(--border);
    border-radius: var(--r-md); padding: 18px; text-align: center;
}
.res-label { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.res-value {
    font-size: 20px; font-weight: 800; color: var(--gold-400);
    font-variant-numeric: tabular-nums;
    transition: color .25s ease;
}
.res-value.pop { animation: res-pop .3s ease; }
@keyframes res-pop { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); color: var(--gold-300); } }
.calc-note { font-size: 12px; color: var(--text-3); text-align: center; font-style: italic; }

/* ── Chart ──────────────────────────────────────────────── */
.chart-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--r-lg); padding: 26px;
}
.chart-wrap { position: relative; height: 300px; }

/* ── Footer ─────────────────────────────────────────────── */
.footer {
    border-top: 1px solid var(--border);
    padding: 26px 0;
    font-size: 12px; color: var(--text-3); line-height: 1.9;
}

/* ── Toasts ─────────────────────────────────────────────── */
#toasts {
    position: fixed; bottom: 24px; right: 24px;
    z-index: 1000; display: flex; flex-direction: column; gap: 10px;
}
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-h);
    border-left: 3px solid var(--gold-500);
    border-radius: var(--r-md);
    padding: 14px 18px; font-size: 13px; color: var(--text);
    box-shadow: var(--glow-sm);
    animation: toast-in .3s ease;
    max-width: 330px;
}
.toast.ok  { border-left-color: var(--positive); background: rgba(74,222,128,.04); }
.toast.err { border-left-color: var(--negative); background: rgba(248,113,113,.04); }
@keyframes toast-in { from { transform: translateX(110%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Hamburger Button ───────────────────────────────────── */
.hamburger {
    display: none;
    flex-direction: column; justify-content: center; align-items: center; gap: 5px;
    width: 40px; height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--r-sm); cursor: pointer;
    padding: 9px; margin-left: auto; flex-shrink: 0;
    transition: var(--ease);
}
.hamburger:hover { border-color: var(--border-h); box-shadow: var(--glow-sm); }
.hamburger span {
    display: block; width: 18px; height: 2px;
    background: var(--text-2); border-radius: 2px;
    transition: transform .28s ease, opacity .28s ease, background .28s ease;
    transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg);  background: var(--gold-400); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--gold-400); }

/* ── Mobile Nav Overlay ──────────────────────────────────── */
.mobile-nav-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.7);
    backdrop-filter: blur(5px);
    z-index: 195;
}
.mobile-nav-overlay.open { display: block; animation: fade-in .25s ease; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* ── Mobile Nav Drawer ───────────────────────────────────── */
.mobile-nav {
    position: fixed; top: 0; right: -100%;
    width: min(300px, 88vw); height: 100vh;
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border);
    z-index: 198;
    transition: right .32s cubic-bezier(.4,0,.2,1);
    display: flex; flex-direction: column;
    overflow-y: auto;
    padding-top: var(--header-h);
    scrollbar-width: none;
}
.mobile-nav::-webkit-scrollbar { display: none; }
.mobile-nav.open { right: 0; }

.mobile-nav-inner {
    padding: 20px 16px;
    display: flex; flex-direction: column; gap: 4px;
}
.mobile-nav-price {
    background: linear-gradient(135deg, rgba(212,175,55,.1), rgba(212,175,55,.03));
    border: 1px solid var(--border-h);
    border-radius: var(--r-md);
    padding: 18px; text-align: center;
    margin-bottom: 12px;
}
.mnp-label { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.mnp-price {
    font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums;
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.mnp-unit { font-size: 11px; color: var(--text-3); margin-top: 2px; }
.mobile-nav-divider { height: 1px; background: var(--border); margin: 8px 0; }

.mobile-nav-link {
    display: flex; align-items: center; gap: 14px;
    color: var(--text-2); text-decoration: none;
    font-size: 15px; font-weight: 500;
    padding: 13px 14px; border-radius: var(--r-md);
    border: 1px solid transparent;
    transition: var(--ease);
}
.mobile-nav-link:hover, .mobile-nav-link.active {
    color: var(--gold-400);
    background: rgba(212,175,55,.07);
    border-color: var(--border);
}
.nav-icon { font-size: 16px; width: 22px; text-align: center; opacity: .8; }

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-thumb { background: var(--gold-700); border-radius: 3px; }
/* ── Currency Toggle ──────────────────────────────── */
.chart-section-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 22px; flex-wrap: wrap; gap: 10px;
}
.chart-section-header .section-title { margin-bottom: 0; }
.currency-toggle { display: flex; gap: 4px; }
.ctoggle {
    background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--r-sm);
    color: var(--text-2); padding: 5px 14px;
    font-size: 12px; font-weight: 600; cursor: pointer; transition: var(--ease);
}
.ctoggle.active, .ctoggle:hover {
    background: linear-gradient(135deg, var(--gold-600), var(--gold-500));
    border-color: var(--gold-500); color: #000;
}

/* ── Buy Signal ─────────────────────────────────────── */
.signal-box {
    border-radius: var(--r-md); padding: 10px 12px;
    font-size: 12px; font-weight: 600;
    display: flex; align-items: center; gap: 8px;
}
.signal-buy  { background: rgba(74,222,128,.1);  border: 1px solid rgba(74,222,128,.3);  color: var(--positive); }
.signal-high { background: rgba(251,191,36,.1);  border: 1px solid rgba(251,191,36,.3);  color: #FBBF24; }
.signal-icon { font-size: 14px; }

/* ── Portfolio ───────────────────────────────────────── */
.port-add-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--r-lg); padding: 24px; margin-bottom: 24px;
}
.port-add-title { font-size: 14px; font-weight: 700; color: var(--gold-400); margin-bottom: 18px; }
.port-form {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 18px;
}
.port-field { display: flex; flex-direction: column; gap: 5px; }
.port-field--full { grid-column: 1 / -1; }
.port-label { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: .8px; }
.port-input, .port-select {
    -webkit-appearance: none; appearance: none; color-scheme: dark;
    background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--r-sm);
    color: var(--text); padding: 9px 10px; font-size: 14px;
    outline: none; transition: var(--ease); width: 100%;
}
input[type="date"].port-input { cursor: pointer; }
.port-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23D4AF37' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px; }
.port-input:focus, .port-select:focus { border-color: var(--gold-500); box-shadow: var(--glow-sm); }
.port-add-btn {
    background: linear-gradient(135deg, var(--gold-600), var(--gold-500));
    color: #000; border: none; border-radius: var(--r-sm);
    padding: 10px 22px; font-size: 14px; font-weight: 700; cursor: pointer; transition: var(--ease);
}
.port-add-btn:hover { box-shadow: var(--glow-sm); }
.port-empty {
    text-align: center; color: var(--text-3); font-size: 13px;
    padding: 32px; border: 1px dashed var(--border); border-radius: var(--r-lg);
}
.port-table { overflow-x: auto; }
.port-header, .port-row {
    display: grid;
    grid-template-columns: 105px 1fr 120px 115px 120px 130px 36px;
    gap: 8px; align-items: center; padding: 9px 14px;
}
.port-header {
    font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: .8px;
    border-bottom: 1px solid var(--border); background: var(--bg-card);
    border-radius: var(--r-md) var(--r-md) 0 0;
}
.port-row {
    font-size: 13px; background: var(--bg-card);
    border-bottom: 1px solid rgba(255,255,255,.03); transition: background .18s;
}
.port-row:last-of-type { border-bottom: none; border-radius: 0 0 var(--r-md) var(--r-md); }
.port-row:hover { background: rgba(212,175,55,.03); }
.port-purity { font-size: 10px; color: var(--gold-500); font-weight: 700; margin-left: 4px; }
.port-note   { font-size: 11px; color: var(--text-3); }
.port-del {
    background: none; border: 1px solid rgba(248,113,113,.3); color: var(--negative);
    border-radius: 4px; width: 26px; height: 26px; cursor: pointer; font-size: 11px; transition: var(--ease);
}
.port-del:hover { background: rgba(248,113,113,.1); }
.port-cell.up   { color: var(--positive); font-weight: 600; }
.port-cell.down { color: var(--negative);  font-weight: 600; }
.port-summary-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px;
}
.port-summary-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--r-md); padding: 16px 18px;
}
.psc-label { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 6px; }
.psc-value { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.psc-value.gold {
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.psc-value.up   { color: var(--positive); }
.psc-value.down { color: var(--negative);  }

/* ── Asset Comparison ────────────────────────────────── */
#comp-table { border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--border); }
.comp-header, .comp-row {
    display: grid; grid-template-columns: 160px repeat(4, 1fr);
    gap: 8px; align-items: center; padding: 10px 16px;
}
.comp-header {
    font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: .8px;
    border-bottom: 1px solid var(--border); background: rgba(212,175,55,.04);
}
.comp-row {
    font-size: 13px; background: var(--bg-card);
    border-bottom: 1px solid rgba(255,255,255,.03);
}
.comp-row:last-of-type { border-bottom: none; }
.comp-col { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.comp-col-asset { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.comp-icon { font-size: 18px; }
.comp-col.up   { color: var(--positive); }
.comp-col.down { color: var(--negative);  }
.comp-note {
    font-size: 11px; color: var(--text-3); padding: 8px 16px;
    background: var(--bg-card); border-top: 1px solid var(--border);
}

/* ── Tax Guide ──────────────────────────────────────── */
.tax-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 14px;
}
.tax-card {
    background: linear-gradient(160deg, #1f1c13, #141200);
    border: 1px solid rgba(212,175,55,.35);
    border-top: 2px solid rgba(212,175,55,.6);
    border-radius: var(--r-lg); padding: 22px 18px;
    transition: border-color .2s, box-shadow .2s;
}
.tax-card:hover { border-color: rgba(212,175,55,.7); box-shadow: var(--glow-sm); }
.tax-icon  { font-size: 28px; margin-bottom: 10px; }
.tax-title { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.tax-badge {
    display: inline-block; font-size: 11px; font-weight: 700;
    padding: 2px 10px; border-radius: 20px; margin-bottom: 10px;
}
.tax-badge.green  { background: rgba(74,222,128,.15);  color: var(--positive); border: 1px solid rgba(74,222,128,.3); }
.tax-badge.yellow { background: rgba(251,191,36,.15);  color: #FBBF24;          border: 1px solid rgba(251,191,36,.3); }
.tax-badge.blue   { background: rgba(96,165,250,.15);  color: #60A5FA;          border: 1px solid rgba(96,165,250,.3); }
.tax-desc       { font-size: 12px; color: var(--text-2); line-height: 1.65; }
.tax-disclaimer { font-size: 12px; color: var(--text-3); padding: 10px 0; }
/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 840px) {
    .layout       { flex-direction: column; }
    .sidebar      { width: 100%; height: auto; position: relative; top: 0; border-right: none; border-bottom: 1px solid var(--border); }
    .main         { padding: 22px 16px; }
    .calc-inputs  { grid-template-columns: 1fr; }
    .calc-results { grid-template-columns: 1fr; }
    .header       { padding: 0 16px; gap: 12px; }
    .logo-sub     { display: none; }
    .nav          { display: none; }
    .chart-wrap   { height: 220px; }
    .hamburger    { display: flex; }
    .price-cards  { grid-template-columns: 1fr; }
    .purity-grid  { grid-template-columns: repeat(2, 1fr); }
    .section-title { font-size: 17px; }
    .pw-price     { font-size: 30px; }
    .port-form         { grid-template-columns: 1fr; }
    .port-summary-grid { grid-template-columns: repeat(2, 1fr); }
    .tax-grid          { grid-template-columns: repeat(2, 1fr); }
    .chart-section-header { flex-direction: column; align-items: flex-start; }
    .comp-header, .comp-row { grid-template-columns: 130px repeat(2, 1fr); }
    .comp-header > div:nth-child(n+4), .comp-row > div:nth-child(n+4) { display: none; }
    .port-header, .port-row { grid-template-columns: 90px 1fr 100px 100px 36px; }
    .port-header > div:nth-child(n+4), .port-row > div:nth-child(4), .port-row > div:nth-child(5) { display: none; }
}

@media (max-width: 480px) {
    .header       { padding: 0 12px; }
    .main         { padding: 18px 12px; }
    .calc-card    { padding: 20px 14px; }
    .chart-card   { padding: 16px 12px; }
    .sidebar-inner { padding: 14px 10px; }
    .purity-grid  { grid-template-columns: repeat(2, 1fr); }
    .logo-text    { font-size: 17px; }
}