/* Animated background grid */
.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(240, 185, 11, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(240, 185, 11, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

/* Nav buttons — logged out state */
.nav-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Terminal header components — logged in state */
.header-nav {
    display: flex;
    gap: 50px;
    align-items: center;
}

.nav-item {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s;
    text-decoration: none;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-balance {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 14px;
    height: 38px;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 6px;
    border-radius: 6px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--accent);
}

.btn .btn-icon,
.btn-primary .btn-icon {
    flex-shrink: 0;
}

.refresh-btn {
    padding: 8px 16px;
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}

.refresh-btn:hover {
    background: #FCD535;
    transform: translateY(-1px);
}

.auth-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--bg-tertiary);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
}

.auth-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.tier-badge {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: transparent;
    border: 1px solid;
}

.tier-badge.free {
    color: var(--text-tertiary);
    border-color: var(--text-tertiary);
}

.tier-badge.starter {
    color: #3B9EFF;
    border-color: #3B9EFF;
}

.tier-badge.pro {
    color: var(--accent);
    border-color: var(--accent);
}

.tier-badge.enterprise {
    color: var(--green);
    border-color: var(--green);
}