:root {
    --bg: #050505;
    --card: #0d0d0f;
    --gold: #b39359;
    --text: #ffffff;
    --muted: #64748b;
    --border: #1a1a1c;
    --header-bg: rgba(5, 5, 5, 0.9);
}

:root.light-mode {
    --bg: #f4f4f9;
    --card: #ffffff;
    --text: #1a1a1a;
    --border: #e2e8f0;
    --header-bg: rgba(255, 255, 255, 0.9);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Tajawal', 'Inter', sans-serif;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

header {
    padding: 25px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    background: var(--header-bg);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-group {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 700;
    transition: 0.3s;
}

.nav-link:hover, .nav-link.active {
    color: var(--gold);
}

.lbl {
    font-size: 0.6rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
    display: block;
}

.title {
    font-size: 1.8rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
}

/* دائرة التحميل (Spinner) لرسوم TradingView */
.tv-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid rgba(179, 147, 89, 0.2);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 0;
}
@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Utilities extracted from inline styles */
#logo { font-weight: 900; font-size: 1.5rem; letter-spacing: -1px; color: var(--text); text-decoration: none; }
.logo-highlight { color: var(--gold); }
.text-gold { color: var(--gold); }
.text-blue { color: #38bdf8; }
.text-green { color: #34d399; }
.text-red { color: #ef4444; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }