:root {
    --bg-color: #1a1a1a;
    --card-bg: #ffffff;
    --accent-color: #34a8e0;
    --gold-accent: #c5a059;
    --text-main: #ffffff;
    --text-dark: #333333;
    --text-muted: #888888;
    --nav-bg: #222222;
    --gradient: linear-gradient(135deg, #34a8e0, #2980b9);
    --gold-gradient: linear-gradient(135deg, #c5a059, #a38143);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 80px;
    /* Space for bottom nav */
}

/* Header */
header {
    padding: 30px 20px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.greeting h1 {
    font-size: 24px;
    font-weight: 700;
}

.header-icons {
    display: flex;
    gap: 15px;
    font-size: 20px;
}

/* Main Content */
main {
    padding: 0 20px;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

.info-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 15px;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: #eef7ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-accent);
    font-size: 24px;
}

.card-title {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
}

.card-value {
    font-size: 16px;
    font-weight: 700;
}

.card-subtext {
    font-size: 13px;
    color: var(--text-muted);
}

/* Big Button */
.main-btn {
    width: 100%;
    background: var(--accent-color);
    background: var(--gradient);
    border: none;
    border-radius: 30px;
    padding: 18px;
    color: white;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(52, 168, 224, 0.4);
    transition: transform 0.2s;
}

.main-btn:active {
    transform: scale(0.98);
}

/* Promo Banner */
.promo-banner {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=M3wzNjM0N3wwfDF8c2VhcmNofDN8fGd5bXxlbnwwfHx8fDE3MDYwMzg0NTl8MA&ixlib=rb-4.0.3&q=80&w=1080');
    background-size: cover;
    background-position: center;
}

.promo-banner h2 {
    font-size: 20px;
    margin-bottom: 5px;
}

.promo-banner p {
    font-size: 13px;
    color: #e0e0e0;
    margin-bottom: 15px;
    max-width: 80%;
}

.shop-btn {
    align-self: flex-start;
    background: var(--accent-color);
    border: none;
    border-radius: 20px;
    padding: 8px 25px;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

/* Bottom Nav */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--nav-bg);
    display: flex;
    justify-content: space-around;
    padding: 15px 5px;
    border-top: 1px solid #333;
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 11px;
    transition: color 0.3s;
    width: 25%;
}

.nav-item i {
    font-size: 20px;
}

.nav-item.active {
    color: var(--accent-color);
}

/* Tab Content Visibility */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Glassmorphism utility */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}