/* ── Shared Navbar ── */
.navbar {
    background: var(--card-bg, var(--surface, #1a1a1a));
    border-bottom: 2px solid var(--border-color, var(--border, #3a3a3a));
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary, var(--text, #fff));
}

.logo-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.nav-mainlogo {
    height: 28px;
    width: auto;
    object-fit: contain;
    position: relative;
    top: 2px;
}

/* ── Back Button ── */
.back-button {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--card-bg, var(--surface, #1a1a1a));
    border: 2px solid var(--border-color, var(--border, #3a3a3a));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 100;
    color: var(--orange-primary, var(--accent, #ff6b35));
    text-decoration: none;
}

.back-button:hover {
    background: var(--orange-primary, var(--accent, #ff6b35));
    color: white;
    border-color: var(--orange-primary, var(--accent, #ff6b35));
    transform: scale(1.1);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .navbar { padding: 12px 16px; }
}

@media (max-width: 480px) {
    .navbar { padding: 10px 12px; }
}