:root {
    --color-primary: #1E293B;
    /* Deep Navy */
    --color-accent: #F59E0B;
    /* Tempe Gold */
    --color-success: #10B981;
    /* Profit Green */
    --color-danger: #EF4444;
    /* Loss Red */
    --color-neutral: #64748B;
    --color-bg: #F8FAFC;
    --color-card: #FFFFFF;
}

body {
    font-family: 'Roboto', 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-primary);
    margin: 0;
    padding-bottom: 70px;
    /* Space for Bottom Nav */
}

/* Typography */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.text-label {
    font-size: 0.875rem;
    color: var(--color-neutral);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    display: block;
}

/* Components */
.card {
    background: var(--color-card);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-primary:hover {
    background-color: #0F172A;
    /* Darker Navy */
    border-color: #0F172A;
}

.btn-accent {
    background-color: var(--color-accent);
    color: white;
    border: none;
    font-weight: 700;
    transition: all 0.2s;
}

.btn-accent:hover {
    background-color: #D97706;
    /* Darker Gold */
    color: white !important;
    /* Force white text */
}

/* Mobile Bottom Nav */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 1000;
}

.nav-item {
    text-align: center;
    color: var(--color-neutral);
    text-decoration: none;
    font-size: 0.75rem;
}

.nav-item.active {
    color: var(--color-primary);
    font-weight: bold;
}

.nav-icon {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 2px;
}