:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --accent-gold: #f0b90b;
    --accent-green: #12b76a;
    --text-light: #e6edf3;
    --text-muted: #8b949e;
    --border: #30363d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
}

/* Navbar - UPDATED to match your White Header */
.navbar {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #1f2937;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 1px;
}

/* Container & Cards */
.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
    flex: 1;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
    text-decoration: none;
}

.btn-gold {
    background-color: var(--accent-gold);
    color: var(--bg-dark);
}

.btn-gold:hover {
    background-color: #d19e08;
}

.btn-green {
    background-color: var(--accent-green);
    color: white;
}

.btn-green:hover {
    background-color: #0e9e5b;
}

.btn-red {
    background-color: #da3633;
    color: white;
}

.btn-red:hover {
    background-color: #b62324;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text-light);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-gold);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.balance-card {
    background: linear-gradient(135deg, #161b22, #2a3441);
    border: 1px solid var(--accent-gold);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.balance-amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-gold);
    margin-top: 10px;
}

/* Flash messages */
.alert {
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-success { background-color: #1f6f3b; color: white; }
.alert-error { background-color: #da3633; color: white; }

/* Footer */
.footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    margin-top: auto;
}

/* Responsive Adjustments for White Header */
@media (max-width: 768px) {
    .btn {
        padding: 7px 14px;
        font-size: 0.9rem;
    }
}

@media (max-width: 520px) {
    .logo-text {
        display: none;
    }

    .logo img {
        margin-right: 0;
    }

    .btn {
        padding: 6px 10px;
        font-size: 0.82rem;
    }

    .navbar {
        padding: 8px 10px;
    }
}

@media (max-width: 380px) {
    .btn {
        padding: 5px 8px;
        font-size: 0.75rem;
    }
}